1.0.27.0 | 03/12/2024 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 New features - Added new alarm: Unknown traffic on DEIF network detection.
Corrections - Fixed issue where load dependent start point moved.
- Fixed issue where NTP/System time could impact thread timing.
- J1939: Fixed issue where red lamp was not triggered.
- The correct text is now used for the coolant level alarm.
- Baudouin 6M33 now uses the correct DM1 version.
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1.0.26.0 | 23/09/2024 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 New feature: - EIC: Weichai/Baudouin 6M33 protocol added.
Corrections: - HYBRID controller no longer prevents genset from executing load-dependent stop.
- EIC/J1939: kPa measurements are shown with the correct unit.
- Connecting genset available power no longer affects load sharing on other DGs during ramp up.
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1.0.25.2 | 27/09/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 Changes - Fixed issue where where controller performed an undesired restart due to rare issue in Modbus.
- Fixed issue where reading IO status on Modbus could cause undesired restart of the application software.
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1.0.25.1 | 14/08/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 New features - Updated internal diagnostic system to be more detailed
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1.0.25.0 | 25/07/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 New features - Added a third Overload alarm
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1.0.24.2 | 13/06/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 Changes - Fixed issue that meant DG and Hybrid controllers could not start and close breaker in SEMI mode after PMS controlled stop alarm was acknowledge.
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1.0.24.1 | 12/05/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 Changes: - Fixed issue with unit not being able to start without an ACM3.1 card.
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1.0.24.0 | 13/04/2023 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 PPM 300 New feature: - Added feature to allow all controllers to change between semi and auto when changing the mode on one controller.
- Added load-dependent start/stop timer running as a status output.
- Added new functionality so that 2nd standby is readable on REST.
Changes: - When running emulation the "GAM 3.2 not OK" alarm is not enabled.
- SC / SG and Mains variants have regulator control available in emulation.
- Selection of "Phase-Phase" / "Phase-Neutral" on selected voltage protections are always shown.
- Number of digital inputs and outputs increased for CustomLogic (from 20 to 80).
Correction: - Fixed issue where states in emulation were preserved when emulation was not enabled.
- Fixed issue where external breaker crashes controller when running in emulation.
- Analogue AVR now works in emulation.
- Fixed issue where SC and SG sometimes aborted the open request then DG close breaker.
- Fixed issue with no tags shown in HMI for AC setup parameter.
- Breaker operation counter now increments correctly in emulation.
- Fixed issue where MPU wire break alarm was not shown.
- Fixed issue with no action on PMS controlled stop if priority was set to delayed priority shift.
- Fixed issue where trip breaker output response time exceeded 100 ms if the configuration had been performed in a special order and the controller had not been power cycled.
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1.0.22.0 | 20/12/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 PPM 300 New feature: - ACM3.2 is now supported by EDG controller
- The abillity to toggle the regulator on and off
Changes: - Improved backup percentage count in PICUS
- Change the maximum value for Breaker open failure delay to 60 seconds
- Change the maximum value for Breaker close failure delay to 60 seconds
- Change the minimum value for Heavy Consumers - Nominal Settings - Power Factor to 0.1
Correction: - Fixed missing IOM3.4 support.
- Fixed issue with PMS controlled stop sequence when running with load dependent start stop calculations in percent. Issue existed when load was within the start and stop limits.
- Fixed issue that when using stop command from switchboard in emulation the engine would not stop when running in parallel.
- Fixed issue that when engine was stopped there could be Hz on the generator measurements in emulation.
DU 300 New features: - Introduces a new view for exhaust after-treatment dashboard increasing the support of Tier 4 and Stage V engines.
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1.0.21.1 | 21/10/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 PPM 300 Changes: 1 - Fixed issue where controller made a factory reset, then updated from software version 1.0.20.1. |
1.0.21.0 | 07/10/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 PPM 300 New features: - Added last priority command.
- Added support for multiple applications with a parameter to select active application and custom plant name. (Not supported by PICUS yet.)
Corrections: - Fixed issue where I/O parameter configuration was passed on from one external breaker or a heavy consumer on the single line to another when during commissioning. I/O configuration and parameters are not reset.
- Fixed issue where engine ready delay was ignored before regulation.
- Fixed issue where manual regulation didn't work in emulation.
- Fixed issue where analogue regulation was unstable in emulation.
- Fixed issue with GAM3.2 not working in emulation.
- Fixed issues with extra DG startup when baseload was enabled.
- Actual Power total in % is now showing on DU-300 (Live data) and in PICUS.
- Fixed issue where "Ramping to xx" was stuck in status text.
DU 300 New features: - Introduces a new view for exhaust after-treatment dashboard increasing the support of Tier 4 and Stage V engines.
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1.0.20.1 | 09/09/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 Changes: - Load-dependent stop block will not block genset from stopping in case of PMS-controlled stop, if load limits is fulfilled.
DU 300 New features: - Introduces a new view for exhaust after-treatment dashboard increasing the support of Tier 4 and Stage V engines.
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1.0.20.0 | 20/07/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.20.0
Minimum required version of PICUS: 1.0.19.0 PPM 300 New features: - ACM3.1 card will not start protections if settings is lost during operation. A power cycle of the controller will be required to restart the protections. Alarm ""ACM protection not running"" will be shown continuously if the problem occurs.
- Added After-treatment dashboard
- Custom counters added to CODESYS and Custom logic
- Extended baseload functionality on SG to allowed start and stop of last genset
- Added possibility to setup power transformer on genset and hybrid controllers
- Added possibility to read out how many feeders are connected in PMS on an output
Changes: - Backup of eventlog changed to get latest 1000 events.
- PMS functions are no longer available in stand alone applications
- Maximum ON time in AVR parameters looks to be messed up
Corrections: - Blackout recovery will happen even, when PMS mode change is set to SEMI when missing controller
- Fix the issue where EDG only have 1 set of synchronization settings
- Fixed - Reboot of controllers required after SW update
- Fixed issue where AC protections could change "AC setup" after power cycle of the controller
- Fixed issue where regulator change then load is under breaker open setpoint in transition from PTO, and change back again if load increase.
- Fixed issue where HC not working correctly in emulation if HC is setup to continuous request
- Fixed issue where is not possible to stop SC or SG in emulation, if the breaker was closed
- When synchronising using static sync. The GOV and AVR on the syncing controller should no longer give spikes when a blackout happens on busbar.
DU 300 New features: - Introduces a new view for exhaust after-treatment dashboard increasing the support of Tier 4 and Stage V engines.
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1.0.19.0 | 01/07/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.19.0
Minimum required version of PICUS: 1.0.18.0 PPM 300 New features: - Freeze regulators
- Added the possibility to freeze the regulators with a digital input.
- Added the possibility to freeze the regulators with CustomLogic.
- Added the possibility to freeze the regulators via Modbus.
- Added a status text to indicate when the regulation is frozen.
Corrections: - Hybrid controller can now transition from PTI to PTO, even when there is a positive power flow.
DU 300 New features: - Identification of controllers in Pairing page.
- Added the ability to send the "Identify" command from the "Pair" page.
- This command creates a blinking pattern of the power LED of the PSM3.1 card.
- This allows users working in an environment with multiple controllers to easily confirm the controller they wish to pair the display with.
- Support for CODESYS custom info pop-up and status text.
- This allows CODESYS designers to provide better user experience by delivering messaging and status information of the CODESYS application.
Changes: - Synchroscope page label
- Added a label to identify the breaker that is being synchronised.
- This improves the recognition of the controller being synchronised.
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1.0.18.0 | 23/04/2022 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.18.0
Minimum required version of PICUS: 1.0.18.0 PPM 300 New features: - Added possibility to disable display buttons in individual groups
- Added functionality to avoid the unintended start of extra DGs
- Status output indicating if an engine test is running on EDG.
- Reset horn is possible to reset with input
- Added possiblity to add undervoltage coil into design
- Added control signal to engine communication + extra protocols
Changes: - Change the maximum value for Breaker close failure delay to 30 seconds
- Change the maximum value for Breaker Pulse ON time to 60 seconds
- Changed text on BTB then closed is requested, but blackout recovery is not allowed
- Load dependent start stop flickering between start timer and not active
- Action for the synchronization failure alarm is now visible in PICUS and DU.
Corrections: - Fix issue there GAM3.2 stand alone was active when regulator was set "OFF"
- Fixed issue where the status text would change really fast in some special priority change scenarios
- Load dependent stop block will now block gensets from stopping in case of priority shift or PMS-controlled stop.
- DG will no longer open and close without reason after priority shift (in special load scenarios)
- Fixed issue with alarm test, does not work when alarm state was unacknowledged no alarm
- Fixed issue where synchronization of tiebreaker does not jump to sync. view
- Slow response when change EIC protocol is fixed
- Fixed issue where synchronize indicator on display is visible with dead busbars
- Fixed problem where Picus would show empty Application or I/O status page.
- Fixed issue where measurement averaging has causing a very small offset the the averaged measurement.
- Fixed issue where emulated values was slower when using measurement averaging.
- Fixed issue where the additional logged values in the event log could be incorrect when measurement average is used.
DU 300 New features: - DU300 button management.
- Added the ability to disable (and enable) the buttons of the DU300 by parameters.
- The buttons are disabled in blocks related to their functionality.
- This provides more possibilities to configure the controller to the application's requirements.
Corrections: - Fixed an issue with the differentiation of two synchroscopes with the same measurements, like an EDG.
- Fixed an issue related to ANSI codes shown on the alarm popup.
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1.0.16.1 | 22/11/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.16.0
PPM 300 Corrections: - Fixes an issue where Heavy Consumers with delayed priority shift would be handled incorrectly.
DU 300 New features: - Support for Tags:
- New menu for options to display the tags set in parameters.
- Options for tag visualisation include: Alarm pop-up, alarm list, logs page and parameter page.
Changes: - Update to languages
- Connection improvements
Corrections: - Solves an issue where the display could enter a manual loop after returning from synchroscope.
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1.0.16.0 | 11/10/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.16.0
PPM 300 New features: - Added ANSI code tag to relevant alarms
- Added possibility for disabling Ethernet ports
- Added REST version to version page
- Added solo supply in harbour mode functionality
- Added any functionality to ICC flags
- Increase number of ICC flags to 32
Corrections: - Fixed issue where GAM3.2 stand alone was active when regulator was set "OFF"
- Fixed issue where the status text would change really fast in some special priority change scenarios
DU 300 New features: - Support for Tags:
- New menu for options to display the tags set in parameters.
- Options for tag visualisation include: Alarm pop-up, alarm list, logs page and parameter page.
Changes: - Update to languages
- Connection improvements
Corrections: - Solves an issue where the display could enter a manual loop after returning from synchroscope.
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1.0.15.0 | 12/07/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.15.1
PPM 300 New features: - CPU load is now accessible and displayed through the performance widget
- Added change of counters to eventlog
- CPU load is now a measurement as a Live data value, Modbus address, and accessible as an Analogue Output
- Added new counters relating to engine/inverter starts.
- Added new counters relating to breaker operations
- Added energy import and difference counters to hybrid
- Added external breaker states to custom logic
Changes: - Counters are now specifically signed or un-signed
- Changed text on livedata screen for Engine speed
- Custom logic bit outputs will now be set back to 0 then deleting from CL configuration
Correction: - "Different power management rules activate" alarm triggered incorrectly
- Corrected behavior of continues breaker
- Fixed missing paths for Modbus "Inhibited" flags
- Fixed issue where display jumps to sync. view if an trip alarm occurs
- Fixed issue where "ball" on synchronization view could change between red and green, then the breaker was closed
- Fixed issue with alarm counter does not increamet if state not was State A - Normal
- Fixed issue stand alone EDG will not deload GB in semi.
- Fixed issue where scale "(4 to 20mA) to (0 to 100%)" shows 4.0mA instead of 0.0mA on GAM3.1
DU 300 Changes: - Font size and duration of error message increased in the virtual keyboard.
- New counters icon for alignment with PICUS.
Corrections: - "Missing" counters removed from the display.
- Units shown for the I/O terminals.
- Counters are now limited based on the counter type.
- Display restarts on I/O pages when fieldbus configuration is updated.
- LED's no longer light up before the screens become active.
- Passwords with special characters can now be used from the display.
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1.0.14.2 | 18/06/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.15.0
PPM 300 Correction: - Fixed issue the BTB not could close or open, if the BTB has resolved a blackout
DU 300 New features: Changes: - Local display configurations (for example, brightness and units) will now be kept when new application software is installed.
Corrections: - Bar graphs and gauges animations performance is increased.
- Fixed an issue in View Design where up/down keys lost focus after a blue pop-up.
- Fixed an issue in Parameters where up/down buttons would not be shown.
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1.0.14.1 | 01/06/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.15.0
PPM 300 Corrections: - Allows IOM3.4 Firmware revision 1.0.0.2.
DU 300 New features: Changes: - Local display configurations (for example, brightness and units) will now be kept when new application software is installed.
Corrections: - Bar graphs and gauges animations performance is increased.
- Fixed an issue in View Design where up/down keys lost focus after a blue pop-up.
- Fixed an issue in Parameters where up/down buttons would not be shown.
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1.0.14.0 | 21/05/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.15.0
PPM 300 New feature: - All I/O cards and CAN bus values can now be mapped in Modbus.
- ECU: Communication failure is added. When communication is expected, but not present, an alarm is triggered.
- Live data: J1939 protocol is now available for engine communication.
- Inhibit for idle run is added.
- It is possible to skip Idle Run Stop by requesting "Stop" again.
- Idle run stop is added.
- Inhibit for idle run is added.
- It is possible to skip Idle Run Start by requesting "Start" again.
- Idle run start is added.
- CustomLogic inputs and outputs (digital and analogue) are available in Modbus.
- Inhibit status for alarms is available in Modbus.
- Alarm property "Remove from service" is now available in Modbus.
- The external regulation value can now be read in the regulator status tool.
- State of the manual regulation input can now be read in the regulator status tool.
- The source of regulation can now be read in regulator status tool.
- Engine ECU: Process data alarms are added, and it is now possible to get application alarms from either the ECU or an analogue input.
- Engine ECU data has been mapped to communication (incl. standard Modbus) and is configurable in flexible Modbus.
- New ECU: Auto discover is added and can be activated from either CustomLogic, CODESYS, Modbus, or Commands.
- Live data groupings are arranged in groups according to the engine sub systems.
- Live data screen view: Now you can see measurements from different sources based on the priority Analogue/IO over ECU.
Changes: - The Modbus connections for Idle Time Expired are changed from 100 seconds to 10 seconds.
- The default AC setup values are changed.
- "AVR trip" location in CustomLogic for Hybrid is cleaned up.
- The text for Hybrid is corrected.
- Spelling error: "Deloading" is changed to "De-loading".
- Phase sequence error text is corrected for Hybrid.
Correction: - Fixed that Modbus crashed when trying to connect many times, and not getting a new connection.
- Fixed that Ship to ship did not work when the busbar load was greater than the SC nominal power.
- Fixed that the Limit Exceeded parameter for Q asymmetric load share did not function.
- Fixed an issue where the set point for fixed reactive power regulator was not corrected when running in parallel with SC or SG in base load.
- Fixed an issue with continuous breaker with mismatch between closing failure and output states.
- Fixed an issue with asymmetric, if all load sharing controllers were in asymmetric load share and lowest priority controller was not connected.
- Breaker operation counter increment is now working.
- Trip counter is now incremented for Hybrid when a trip occurs.
- Shore and shaft supervision status is fixed.
- Fixed an issue where Manual GOV adjustment in emulation could affect the voltage.
- Fixed an issue where EDG sometimes would handle blackouts unexpected while the tie breaker synchronize and busbar went black.
- Fixed an issue where default max value for EIM3.1 resistance analogue input sensor was to high.
- Fixed an issue where primary breaker trip did not trigger NEL trip (if enabled).
- Default settings for blackout detection mismatch alarm are changed to fix an issue where the controller would start the engine and not close the breaker.
DU 300 New features: Changes: - Local display configurations (for example, brightness and units) will now be kept when new application software is installed.
Corrections: - Bar graphs and gauges animations performance is increased.
- Fixed an issue in View Design where up/down keys lost focus after a blue pop-up.
- Fixed an issue in Parameters where up/down buttons would not be shown.
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1.0.13.1 | 14/04/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.15.0
PPM 300 Correction: - Fixed issue where controller restarts if writing to oil pressure on Modbus
- Included bugfix on EIM3.1
DU 300 New features: Changes: - Local display configurations (for example, brightness and units) will now be kept when new application software is installed.
Corrections: - Bar graphs and gauges animations performance is increased.
- Fixed an issue in View Design where up/down keys lost focus after a blue pop-up.
- Fixed an issue in Parameters where up/down buttons would not be shown.
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1.0.13.0 | 16/02/2021 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.14.0
PPM 300 New features: - AC measurement averaging:
- It is now possible to use averaging filters (200ms and 800ms) to reduce the value fluctuations from the high performance of the measurement cards.
- The averaging filter can be applied selectively to different types of measurements.
- AC measurement averaging affects data displayed by DU 300, PICUS, trending, CustomLogic, CODESYS, and Modbus.
- AC measurement averaging does not affect protections and regulation values.
- EIM3.1 Safety shutdown function:
- EIM3.1 can now be used as a safety shutdown module.
- EIM 3.1 will be able to run the engine in stand-alone mode should it no longer be able to communicate with the main processor card (PCM).
- Hybrid controller type added.
- Support of electronic engines protocols (EIC):
- Supports the Generic J1939 protocol for reading.
- J1939 values, alarms and historical events are now available.
- New engine measurement inputs + alarms added for: Oil pressure, Oil temperature, Coolant temperature, and Coolant level.
- Asymmetric load sharing:
- New asymmetric load sharing optional mode allows asymmetric gensets to automatically re-calculate their set points when the maximum asymmetry is exceeded.
- There is now an option to start the next genset when the asymmetric load sharing limit is exceeded.
- Flexible application drawing:
- It is now possible to customise the application drawings to provide a customisable interface.
- The design of applications with multiple ring connections is now supported.
Changes: - Update rate of live data in diplay and PICUS is increased.
- Changed calculation of "Section | PMS P used [%]" and "Section | Conn. P used [%]" , to use derate nominal instead of nominal.
- Changed popup text when pressing close breaker, and engine is not running from: "Engine not ready" to "Engine not running".
- Changed popup text when start engine and close generator breaker is activated to "GB close blocked".
- Changed: Possible to change time and date individually from PICUS.
- The password length can now be 1 to 32 characters.
- The new default password is "0" for all users.
Corrections: - Alarm timer expired flag data added to Modbus.
- CustomLogic IO added to Flexible Modbus.
- Fixed issue where DG continues PMS operation if the controller is changed to semi.
- Fixed issue where NELs trip if breaker is opened.
- Fixed issue where a redundant blackout timer blocked another breaker from closing.
- Fixed issue where changing of counters from Modbus not was saved if there was a controller power cycle shortly after.
- Fixed issue where custom alarms do not get units in the alarm and event logs.
- Fixed issue where engine shutdowns under cooldown are affected by the non-connected stop timer.
- Fixed issue where external shore connection(s) could prevent a bus tie breaker from closing.
- Fixed issue where external shore connection(s) could prevent a bus tie breaker from opening.
- Fixed issue where hidden Modbus addresses was accessible.
- Fixed issue where regulator did not reset on external stop .
- Fixed issue where extended stop delay was skipped on external stop.
- Fixed issue where trip output does not activate when "breaker position failure" is active.
- Fixed issue with rounding problems on decimal values in Modbus data.
- Fixed rare issue where backup file was corrupted.
- Fixed issue where the AMC3.2 protections did not work on the Shaft generator.
- Fixed issue where the breaker open signal could be sent because of missing inhibit info on ACM3.2.
- Fixed issue where deactivate secured mode did not work in a plant with an open BTB.
- Fixed issue where different controller software will run in the same system.
- When changing single line diagram - cleaning up alarms related to redundant breaker.
- When ramping, the status text is now shown on the PPM.
- Fixed issue where breaker opened before the breaker open point is reached.
DU 300: New features: - Custom alarm action suppression: It is now possible to enable alarm suppression for custom alarms from the display.
- Fast data interface: Faster update rate of gauges, counters, status texts, and live data views.
- Engine communication:
- J1939 alarms and historical events.
- Fieldbus, configuration, supervision and CANbus error handling.
Corrections: - Fixed translation of texts in the View designer.
- Fixed translation of message box popup breadcrumb.
- Fixed DU300 live data subheader text cutting lower case p, g, j, q, y letters.
- Fixed DU300 showing negative ampere.
- Fixed conversion between C and F not having effect on scaling (View design).
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1.0.12.1 | 04/09/2020 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.13.1
PPM 300 Correction: - Fixed an issue where GAM3.2 stand-alone mode did not work with the PWM output.
DU 300:
Changes: - Change default DU300 font to Noto sans
Corrections: - Not converting set point and hysteresis to F on custom alarms
- Memory leak during PPU long term test
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1-0-12-0 | 09/06/2020 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.13.0
PPM 300 New features: - Support for the new IOM3.2 and IOM3.3 cards.
- Derate of nominal power is now possible with an analogue input.
- Digital fast load reduction output is available with the possibility to activate a relay based on low available power and/or low frequency on the busbar.
Changes: - Ethernet port settings: "Display" is no longer a selectable option.
Corrections: - Fixed an issue where PICUS supervision would update if the regulator type was changed.
- Fixed an issue where PICUS was unable to show I/O configuration from a backup file in controllers with multiple EIM3.1 cards installed.
- Fixed an issue where manual regulator ramping was very slow when using an analogue output.
- Fixed an issue where regulator output selection failure alarm was triggered during power up of the controller.
- Fiexed an issue where above and below range alarms on analogue inputs were not working.
- Fixed an issue where EIM3.1 relay 4 wire breaker supervision was not working.
- Fixed an issue where IOM3.4 custom texts could be mixed up if more than one card were used. This fix result in a break of backward compatibility, if custom text has been used on IOM3.4 cards.
- Fixed an issue where adding a previously used extension rack to a new system could cause the controller to restart.
- 9 - Fixed an issue where connection to an extension unit could cause the controller to restart in a system with more than two extension units.
DU 300: New features: - Support of IOM3.2 and IOM3.3.
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1.0.10.0 | 13/12/2019 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.11.0
PPM 300 New feature: - Alarms can now be tested individually.
- Support for ACM3.2 card.
- Breaker, tripping and opening can now be assigned to individual outputs.
- AVR can now be tripped by specific alarm actions.
- Single line support for 32 controllers.
- Flexible Modbus: User configuration of register mapping and support for additional servers.
- Alarm details now include number of times the alarm was triggered.
- Nominal settings: 4 sets are now available.
- User interfaces: Different languages are now supported.
- MODBUS: Registers for Date/Time are now available.
- Alive/watchdog functionallity is now available.
- I/O Extension units: This feature allows expansion of an ML 300 system with additional de-centralised racks containing the desired I/O cards.
- Firmware update: Replacement cards can be updated without using the utility software.
- Firmware upgrade: In case of a controller not being ready for update, detailed information about the cause is now shown.
- Smarter handling of SG's contributions to the PMS system.
Changes: - Fixed texts relating to GAM3.2 I/O-configuration.
- Aligned order of GOV and AVR configuration parameters.
- Show "Disclaimer" when using preliminary software.
Correction: - Fixed that DG would continue de-loading an SG beyond its nominal power.
- Fixed that "Base load" on an SG could be disabled, even when this would result in overloading the other controllers in the system.
- Fixed that names used for I/O and alarms on Heavy Consumers would not uniquely identify each Heavy Consumer.
- Fixed that alarms for "Power import" were missing on BTB.
- Fixed that some labels in the PICUS menu hierarchy would be truncated.
- Fixed that BTB blackout close would display the wrong pop-up text ("Busbar A voltage/frequency not OK").
- Fixed that the Active/Reactive power differential counter pulse functionallity did not activate when importing power, only when exporting.
- Fixed that in "Running hour counters" were missing in CustomLogic.
- Fixed that status for "Controller Mode" (on Modbus etc.) could not hold values for all available modes, resulting in values not reflecting the actual state.
- Fixed that DG's did not abort the de-load procedure, when this would result in an overload situation, resulting in a blackout.
- Fixed that certain Modbus addresses could not be used as commands.
- Fixed that the regulation mode "Asymmetric Q load-share" did not have a unique status text.
- Fixed that alarms related to Generator protections would remain triggered if "Delay" was set to 0.0 seconds.
- Fixed that "Engine ready delay" would be ignored on SG's.
- Fixed that de-loading of multiple SC's would result in a "De-load error".
- Fixed that BTB could close on busbar, even if "Common blackout" was not detected.
- Fixed that on the display the "Counters" screen would show irrelevant entries.
- Fixed that status for "Voltage and frequency OK" did not respect the "Delay" parameter setting.
- Fixed that "Regulator ramp up/down" did not work when operating in load share mode.
- Fixed that the alarm "Earth inverse time over-current" did not trip according to the settings.
- Fixed that CustomLogic could stop working if the controller was power cycled immediately after "Write" of a new CustomLogic configuration.
- Fixed false detection of Volt/Hz due to missing data from ACM card.
- Fixed that inhibit functionallity was not available for NEL groups.
- Fixed that Regulator status screen could show wrong values.
- Fixed that if a blackout was detected (real or loss of measurements) during the synchronisation part of a close sequence, the sequence would be cancelled.
- Fixed a potential issue with inhibits not being updated.
- Fixed that "Engine start-and-close" in combination with "Blackout close" would close the breaker before the engine was running.
- Fixed that inputs type "DI" in "I/O Configuration", would be shown as "Undefined" when used for CustomLogic.
- Fixed that "Derate" functionallity did not influence "Power Available" calculation correctly, thus affecting load share.
- Fixed that DG could stall in de-load sequence.
DU 300 New features: - Extended alarm information.
- Support of ACM3.2 V.1.0.0.0.
- Support of Trip breaker outputs.
- Support of /IO extension unit.
Changes: - Version page layout.
- Backup and restore information.
Corrections: - Text bug in live views.
- DU shows random info message.
- Display showing wrong version number.
- ApplState not updating text.
- Backup from the display shows undefined text in information window.
- Missing text for View design.
- Restore info page: Not all cards is shown.
- Display does not update alarm and event texts, when the custom text is changed on external breaker.
- Backup status should handle error status.
- Possible to enter alarm sub-menus with an empty alarms list.
- Parameter settings are shown on the display, when setting up digital outputs.
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1.0.9.2 | 09/10/2019 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.10.0
PPM 300 Correction: - Application does not go back to factory settings, then upload same version.
- Modbus adresses for external breakers have been aligned with documentation.
- New timer for blackout on emergency busbar has been added to support under-voltage coil at TB.
- Controller will not restart if large SD card has been mounted.
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1.0.9.1 | 29/04/2019 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.10.0
PPM 300 Correction: - A minimum of 10 % of nominal voltage should be measured to activate frequency running detection.
- Missing parameters: Phase configuration and Phase direction are visible again.
- Fixed that extra DG was started when reverting from EDG harbour mode to DG supply if a genset smaller than 150 kW is used.
DU 300 New features: - Support for multiple menu levels.
- Display shows a pop-up window for the user before going into service mode.
- Informs the user about development of the software.
Changes: - Support for PlantSupervision ver 1.0.5.0.
Corrections: - IOM3.4: DO's are not shown on display and in PICUS.
- Display is not loading min. and max. from parameters when they are changed.
- Power derate temperature is not shown on DU until power cycle.
- When changing type, DU sometimes freezes until it restarts.
- DU300 reboot in view designer.
- Not able to close alarm pop-up.
- Alarm "trigger value" is not updated if the alarm is already in the alarm list.
- DU300 does not check versions for individual REST resources.
- View designer cannot add counters to counters template.
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1.0.9.0 | 01/02/2019 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.10.0
PPM 300 New feature: - Value where alarm was tripped made available on modbus.
- Inverse time over-current alarm, "Threshold" made adjustable.
- Support for redundant breaker feedback.
- Support for opening multiple shore connections individually.
- Spring-loaded breaker, feedback made available in CustomLogic.
Changes: - Fixed texts relating to GAM3.2 I/O-configuration.
- Aligned order of GOV and AVR configuration parameters.
- Show "Disclaimer" when using preliminary software.
Correction: - Fixed BTB not beeing able to show negative power flow on display.
- Fixed alarm "SG-SG max. parallel time". Was not updated correctly with more than two SG's in a system.
- Fixed that I/O card firmware version compatibility check was only done on the first card.
- Fixed that internal I/O state could be left in "ON"-state after I/O had been "un-configured".
- Fixed that analogue outputs did not revert output value to "0" when removing configuration.
- Fixed that "Extended stop" timer would wait for "Crank off" timer to expire before activating "Extended stop".
- Fixed various issues with "Compact breaker".
- Fixed the regulator feature "Reset GOV/AVR to offset".
- Fixed that EDG did not stop engine after blackout, if a phase was missing.
- Fixed that extra DG was started when reverting ftom SC to DG supply.
- Fixed that first BTB open request could be ignored.
- Fixed that "Inverse time over-current" alarm output was not present.
- Fixed that restoring a backup to a controller of different "family type" would result in the controller never returning to "run-state".
- Fixed that a third SC would reject close request with "Load on busbar too high", even though load requirements were met.
- Fixed that the controller could enter "service mode" as a result of changing a "BTB" to "external BTB" in the plant.
- Fixed that "Breaker operations" counter on external breakers was not working.
- Fixed that controller with only AVR regulator configured did not show any status texts regarding regulation.
- Fixed that status text "Blackout start blocked" would remain shown even when the condition was no longer present.
DU 300 New features: - Support for multiple menu levels.
- Display shows a pop-up window for the user before going into service mode.
- Informs the user about development of the software.
Changes: - Support for PlantSupervision ver 1.0.5.0.
Corrections: - IOM3.4: DO's are not shown on display and in PICUS.
- Display is not loading min. and max. from parameters when they are changed.
- Power derate temperature is not shown on DU until power cycle.
- When changing type, DU sometimes freezes until it restarts.
- DU300 reboot in view designer.
- Not able to close alarm pop-up.
- Alarm "trigger value" is not updated if the alarm is already in the alarm list.
- DU300 does not check versions for individual REST resources.
- View designer cannot add counters to counters template.
DU 300 New features: DU 300 New features: DU 300 New features: DU 300 New features: DU 300 New features: |
1.0.8.1 | 13/12/2018 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.9.0
PPM 300 New feature: - Synchronise and deload and EDG without regulator configured
- Running hours priority
- Alarms made available in custom logic
- Analogue I/O made available in custom logic
- Parameter values made available in custom logic
- Regulator ramp with graphs
- Possible to use 1 relay for continuous breaker
- Flexible breaker feedback dependent on breaker type
- Auto-scaled max range of over-current alarms
- View for running hours until next service
- Parameter for delay of power calculation when a generator connects on external communications
- Controller types locked by options
- Controller types are independent of cards
- Engine stopping inhibit has been added
- Network Time Protocol (NTP)
- Support of GAM3.2 module with stand-alone possible
- GOV/AVR status display on PICUS and display
- Live data views is possible to change from display
Changes: - Controller type mismatch alarm will force the section to switchboard
- Compact breaker type has been disabled
- Analogue regulators has been improved
- Controller allow BSP 3.0.X.X
- Maximum set point for power derate is changed to 1000
- SC overlap feature has been improved
- Backup/restore functionality has been improved
Correction: - Blackout handling has been improved
- Baseload functionality
- Start enable deactivate can not be logged without any start enable activated
- Priority change has been improved
- Possible to de-load a DG parallel with external SC
- Fixed that running detection by means of digital input could be delayed (affecting "Engine ready LED")
- Fixed that "Remove start" input could cause unintended short activation of crank relay
- ACM wire-break inhibit conditions state is actual state instead of alarm state
- Power derated will not derate breaker open point anymore
- Parallel inhibit on EDG
- Section P avail. % calculation
- Phase sequence error alarms name has been changed to include source
- Corrected GOV and AVR regulation error alarms
- Generator in fixed voltage will not increase voltage if measurement phase disappears
- If controller gets block alarm while synchronising, it will be cancelled
- If measurement phase disappears while synchronising, it will be cancelled
- Digital inputs in custom logic will always be visible
- Parallel timer for SC-DG and SG-DG did not work when breaker was de-loading.
- Permission is correct after restoring from older version and with permission changes.
- Negative fixed power de-load did not work. Instead of ramping to zero, it increased the negative load.
- AVR/GOV output selection failure alarm triggered after software upgrade.
DU 300 New features: - Backup and restore
- Date and time
- Quick connect
- Application state pop up
Changes: - Live data view min/max editor (View design)
- Information pop-up, when rebuilding livedata views (View design)
- DU Qt5 install package with BSP
Corrections: - Display reboots when user login popup is canceled in livedata view or counter screen
- Not possible to remove alarm pop-up
- Display reboots unintendedly when setting IPv4 address to default
- Display reboots unintendedly (View design)
- Remove option of scale on counters template (view designer)
- Some measurements need more details, added unit to the main text. (View design)
- Min max limits on widgets not updated according to LiveDataView
- Mismatch in unit between gauge and column on live data screen
- kvar graph on display can't show negative values.
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1.0.7.3 | 05/07/2018 | Corrections: - HC with fixed feedback, request signal type is now selectable as either pulse or continuous.
- HC with variable feedback, request signal type changed from pulse to continuous.
- SC overlap response time improved.
- Added unbalance detection limit. Prevents detection of incorrect "unbalance alarm".
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1.0.7.2 | 19/01/2018 | 1.0.7.2 based on 1.0.7.1
Corrections:
1 - Improved priority list resolution mechanism, to avoid alarm "Priority error". |
1.0.7.1 | 06/12/2017 | PPM 300
1.0.7.1 based on 1.0.7.0
Corrections:
1 - Default value for parameter "Missing controllers" changed from 1 to 2.
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1.0.7.0 | 20/11/2017 |
PPM 300
1.0.7.0 based on 1.0.6.0
New features:
1 - Graphical representation of curve-related settings.
2 - Controller type specialised live views.
3 - Support of lamp test function.
4 - Support of controller identify function.
5 - Critical Process Error alarm.
6 - Emergency generator not ready to start alarm.
7 - Shaft generator f[Hz] variation feature.
8 - On EDG, alarms are always shown even if configured as "suppressed".
9 - Harbour mode acknowledge feature.
10 - Critical alarm on controller will only force other controllers in section into switchboard mode if controller is supplying the busbar.
Changes:
1 - Misleading group name "Power supply" in parameter tree fixed.
2 - Alarm text for GOV and AVR misconfigured output updated.
3 - Various Modbus texts updated.
4 - Hardware alarm no longer trips breaker.
5 - Regulator concept "Fixed power factor" redefined to "Fixed cos phi".
6 - Various card firmware updated.
7 - Alarms are no longer auto-acknowledged as default.
8 - Reverse power protection default settings aligned with DNV-GL requirements.
9 - Blackout detection mismatch alarm removed from BTB.
Corrections:
1 - Compact breaker sequence improved.
2 - Detection of "Priority network error" alarm improved.
3 - GB block close now also possible in "auto".
4 - Inverse time over-current alarm is now inhibited during blackout handling
5 - Regulators now remain active during cooldown.
6 - Running feedback from MPU and oil pressure improved.
7 - EDG blackout recovery improved.
8 - EDG "Max. parallel time" alarm detection improved.
DU 300
1.0.7.0 based on 1.0.6.0
New features:
- Live data dynamic reload integration
- Message box popup
Changes:
- Added display specific support for introspecting memory data
- Update ID and labels on pair screen when entering the screen
- Custom curves max precision changed from 2 to 8
- Support for REST 1.0.4.0
- Improvement to log output
- Added direction to command list
Corrections:
- Inhibit counter on the parameters was showing wrong number of inhibits
- Comma insted of dot between the (rack#,slot#) presentation of card name
- Identify did not work when logged on
- Corrections to dynamic reload of livedata
- Corrections to eventlog navigation
- Update value list on changes
- Applying broadcast storm filter on startup
- Display not showing Priority
- Pair controller not working correctly with rework.
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1.0.6.0 | 16/08/2017 | This software package consist of: - Multi-line 300, PPM 300
- Bundled with DU 300 SW version 1.0.6.0
PPM 300
New features:
1 - SC overlap.
2 - Additional information regarding alarms, breaker-, busbar- and generator status is made available on Modbus.
3 - Power-available calculations for diesel-electric setups now take "SEMI mode" into account.
4 - Reaction to "Controllers lost in section" is now configurable.
5 - Number of "Controllers lost in section" is now configurable.
6 - "Minimum load on ship busbar" may now be modified by means of both "Picus" and "Display" in addition to Modbus.
Changes:
1 - General check that "Nominal settings" cannot be configured to "0".
2 - Any tie breaker position failure will not occur if EDG controller is missing.
3 - Any bus tie breaker position failure will not occur if BTB controller is missing.
Corrections:
1 - "Inverse time over-current"-related parameters now display correctly.
2 - Inconsistent status text display regarding "Synchronising SGB" and "Frequency too low" has been fixed.
3 - Unintentional activation of stop coil in relation to "Cool down time" vs. "Open fail time" has been fixed.
4 - Unintentional activation of start sequence during plant mode change has been fixed.
DU 300
New features:
- Implemented first part of custom stylesheets
- Curves has been added to parameters
- Lamp test
- Identify feature to communication screen
- Units change on Display
Changes:
- Navigation and editing in I/O input text is now possible from the keyboard
- Default live data views updated
- Edit line design has been updated
- Updated counter screen to use states
- Default text in keyboard will show resolution
- Livedata screens dynamic update (step 1)
- REST version control improvement step 1 (A+B match)
- REST version control improvement step 2 (new REST resource implementation)
- Livedata Dial meter and vertical bar widgets improved
- Production screen changed to versions screen, production data now visible in about screen
- Added DNS possibility to communication screen
- Added IPv6 address to communication screen
- Livedata using REST to build screen and widgets
- Terminal values updated to only show allowed precision
- Updated help screens
Corrections:
- Custom inhibit does no longer clear other inhibit flags
- Placholder text from previous screen do no longer influence logon screen
- Handling of empty list in pair screen
- Pair screen automatically keeps rescanning for controllers if previously connected to a controller
- Elements in parameters is represented same order that baseunit represent it
- Preperation of lists in the application improved
- Remove dot key from keyboard when value is integer, or precision is zero
- Network off popup did not show the first time the display lost connection
- Do not allow user to press OK in empty pair list
- Cardlist serial to be a string instead of integer
- Display reboots after setting up AVR
- No longer showing all Functions when function groups is empty
- Clean up warnings
- Not able to enable/disable the alarm "ethernet redundancy broken" |
1.0.5.0 | 21/02/2017 | PPM 300 New features: - Added new default input scale "0-20 mA to 0-100 %".
- Advanced blackout prevention added.
- Controller will start with controller ID 0. This will make replacement easier because existing systems will not be affected.
Changes: - "Missing critical controllers" alarm renamed to "Missing any controller".
- Changed cos phi, power factor measurements to have multiplier of 100 in Modbus.
- Removed alarm latch from breaker deload failure alarms.
- Changed action on emergency stop alarm to "Trip generator breaker and shutdown engine".
- Support for up to 4 breaker trip relays is now supported.
- Frequency measurements are displayed with two decimals on display unit.
- Heavy consumers are able to use power generated by gensets in semi.
- EIM supply alarms are hidden and disabled.
- PMS version incompatible" alarm renamed to "Network protocol incompatible".
Corrections: - Fixed a rare condition where controller would reset when I/O configuration was changed.
- Corrected a problem where PMS functions could be delayed up to 1 second.
- Frequency detections are now based on highest and lowest measurements instead of only using L1 measurements (only relevant for single and split phase).
- Added transducer output possibility for measurements on I4 terminal.
- Display unit will show a status text if voltage or frequency are outside of synchronisation window after synchronisation is started
- Analogue measurements can now be used on analogue output terminals.
- Added alarm latch on inverse time overcurrent alarms.
- Factory setting for inverse time overcurrent alarms on BTB is now “Trip bus tie breaker”.
- Minimum and maximum current measurement was incorrectly updated with minimum and maximum voltage measurement in emulation of the generator.
- Ethernet redundancy alarm is moved to “Utility > Network” menu.
- Corrected a problem where the sequence of some parameters was reversed.
- Semi/Auto mode indication in Modbus is now available when controller is under switchboard control.
- Software mismatch alarm was incorrectly shown if the hardware module was missing.
- Corrected a problem where BTB could not synchronise if synchronisation settings where configured within a specific range.
- Breaker open failure and breaker close failure caused an incorrect repetition of breaker control pulse.
- Corrected a problem where breaker trip relay could get stuck in "energised" state.
- Acknowledge of an alarm with trip action caused an extra breaker trip pulse.
- The requirements for software update is now engine stopped, breaker open and controller under switchboard control.
- Pressing deload on a BTB and a DG at the same time could cause a blackout.
- Gensets will not attempt to abort connection attempt to busbar if load the requirements are increased during SG/SC to DG transfer sequence.
- Status OK relay will not be energised until all software checks on I/O cards are successfully completed.
- Incorrect status text “Blackout start blocked” removed when EDG was running tests seqeunces.
- Corrected a problem where “Network protocol incompatible” alarm was toggling when different versions were mixed.
- Corrected a problem where “Duplicate controller ID” alarm was toggling when different versions were mixed.
- Continuous breaker open/close signals are corrected.
- Parameters in “Power management rules” were incorrectly overwritten by the last controller to power up.
- Parameters in “System power management” were incorrectly overwritten by the last controller to power up.
- Changing device type will now clear any custom I/O name.
- Corrected factory setting action on the following alarms: Required IO card(s) not found, Software mismatch on hardware module(s), Live power detected (Emulation) to Warning.
- Enable of load-dependent start 1 and load-dependent stop 1 is now synchronised on all controllers.
- Configurable I/O alarms can now have a reset ratio higher than 20.
- Corrected a problem where “Trip and shutdown” action did not stop the engine when controller was under switchboard control.
- Selected of power management rules could result in an alarm in special cases where an external controller breaker was included in the single line.
- Corrected a problem where priority is shifting when a controller is turned on.
DU 300 New features: - Added placeholder text when the label is completly empty, when you enter an I/O name, the current name of the IO will be shown.
- Support of 4 line pop-up in the display.
- Displays the variant on the info/about screen.
- New pair feature (select base unit).
Changes: - DU registration of 4 new languages.
- DU REST 1.0.2.0 support.
- Update DU help files.
- Added REST version to "About screen" in row 3.
- Made it possible to take pictures of the first pair screen
- Corrections:
- Changed home screen Alarm 8000002 to Alarms 800025 to match the path.
- Removed two arrows that were shown in parameter groups that was not supposed to be there.
- Display could have problems, connecting to base units if it was connected in a daisy chain.
- Making the algorithm responsible for showing/hiding pop-up windows.
- Updating status text, and diodes in DU is made faster.
- Crash in start-up sequence removed.
- Corrected some filtering of allowed functions.
- Remove illegal references to parameters.
- Incorrect text shown when valueList had less than 2 elements removed.
- If alarm screen is detected in the screen history, the current screen is rewound to that alarm screen.
- DU updating speed improved.
- Pop-up header characters clip adjusted.
- IO scale: impossible to select a custom scale with only 1 point.
- Header text initialised.
- Pairing pop-up cuts of text on very long labels.
- Controller for selecting base unit.
- Appending empty unit to analogue output functions not possible.
- DU start-up screen has been corrected.
- Label corrected to "Restart" display instead of "Reset".
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1.0.4.0 | 30/09/2016 | New features: - Added support for Pt100 and Pt1000 temperature sensors to ensure minimal self-heating
- Wire break/short circuit alarms can be added on all analogue input terminals
- Support for dry contact functionality added.
- Genset start priority can be configured through Modbus
- Added support for changing controller type from display unit
- Added digital output to indicate if there is a precautionary genset start in the section
- Alarm test functionality added
- Counters can be modified and reset from display
Changes: - Naming of "V" unit is seperate into "V AC" and "V DC"
- Status text is shown if blackout handling is blocked in display
- Number of energy counters are reduced
- Higher level of access restrictions in default user permission
- Names of default analogue output curves are made more descriptive
- Engine idle run functionality removed from menus
Corrections: - Regulator delay parameter is now hidden if regulators are unused
- Shaft-to-shaft changeover through genset(s) will not start if genset(s) nominal capacity is lower than busbar load demand
- Primary running feedback parameter selection will automatically select frequency if selected feedback is removed from I/O configuration
- Scale is remamed to curve
- Digital input and output functions are renamed to be more consistent with general naming method
- Bus tie breaker will not allow operator to close breaker if adjacent section has a critial error
- Status text was toggling in blackout handling when a short circuit close attempt is allowed
- Analogue and PWM governor output does not make a sudden change in output, then breaker is closed
- Corrected selection of genset breaker close during blackout
- Bus tie will now require a minimum of one feeder and enough feeders to handle entire busbar load to open breaker
- Shore connection can now close to dead busbar in ship-to-ship mode
- Switchboard return mode was not always changed correctly
- Power management is now supporting more than one external controller breaker per controller
- DG and EDG will always start in SEMI mode
- Shore connection LED is now off when no voltage or frequency is measured
- Disabling custom logic will reset all outputs used in custom logic
- It is now possible to connect three displays to one controller
- Custom alarm will now clear status output when un-configured
- Analogue input measurement will show "-" when there is a hardware failure (for example: wire break, short circuit)
- Genset was activating stop coil if a bus tie breaker has blackout close enabled and connecting section was supplied by a shaft generator
- Corrected a problem where an alarm could be frozen in shelve state
- Energy counters are now more accurate
Disclaimer: >>> After blackout handling the PPM 300 EDG cannot synchronize TB back to the main busbar if there are no DEIF controlled speed governor present on the EDG. The re-connecting of EDG to main busbar managed interlock change over. EDG GB is tripped and then TB is closed <<< |
