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https://etrel.atlassian.net/wiki/spaces/EKC/pages/5066752001

Firmware 5.4.1 download:

You can download newest firmware here: https://etrel.atlassian.net/wiki/spaces/EKC/pages/5064098667

Application 5.4.1 

Charger Operations 

• Discovery Phase: Prolonged the discovery phase at the start of a session from 20 to 40 seconds, ensuring it did not stop at 10 A. 

• Current Measurement: Prevented re-measuring the maximum EV current when charging was paused. 

• Load Guard Connection: Received updates on Load Guard connection status from Power Management, which were logged and reported as events. 

• OCPP Reboot Reason: Unified internal enumerations for charging stop reasons to correctly report OCPP reboot reasons. 

• OCPP BootNotification: Prevented the charger from responding to OCPP messages if the BootNotification was rejected. 

• Authorization: Checked the identification expiration time during authorization. 

• Log Management: Forced logs to flush to disk on power loss to avoid missing entries. 

• PlugAndCharge: Fixed cases where the PlugAndCharge tag ID was sent incorrectly. 

• Power Management Reconnection: Fixed reconnection failures to Power Management in some cases. 

Payter Integration 

• Fixed rounding issues for values sent to Payter. 

• Removed support for the HRK currency. 

Modbus 

• Added virtual state 11 to the connectors controller status register (0, 100) to represent a "reserved" status. 

• Removed the EVSE status register (52, 152). 

• Fixed the update of the CC status register (0, 100) when disconnecting a cable. 

Settings 

• Implemented the logic behind StopTransactionOnInvalidId and made it writable. 

• Added CentralSystem.Client.StopTransactionOnInvalidId as an alias for StopTransactionOnInvalidId. 

• Removed CentralSystem.Client.HeartbeatInterval. 

• Updated HeartbeatInterval to report the currently active heartbeat interval instead of acting as an alias for CentralSystem.Client.HeartbeatInterval. 

Power Management 

• Siemens 7KM2200 Support: Added support for Siemens 7KM2200 as a Load Guard. 

• Compatibility Fixes: Protocol issues from version 5.4 were resolved in version 5.4.1; however, this fix has caused version 5.4.1 to be incompatible with version 5.4

• Resume Mechanism: Reworked the charger resume mechanism to address issues with Power Management reconnecting multiple chargers simultaneously. 

GUI 

• Login Options: Adjusted icons and labels on the Login screen to provide more space for text beneath the icons. 

• Connector Lock Screen: Added a new screen to indicate when the connector remained locked after charging while the cable was still inserted. 

Web 2.8.8 

• Cluster Data: Displayed cluster data on the Brain's dashboard. 

• Console Warnings: Fixed most warnings displayed in the browser's developer tools console. 

• HRK Currency Removal: Removed the HRK currency from the system. 

• Dashboard Changes: Removed building energy consumption data from the dashboard. 

• Menu Language Fix: Fixed the duplication of languages in the left-hand menu. 

• Max Current Display: Corrected the dashboard to display the session's max current as the sum of all phases. 

Connectors Controller 

INCH (v6.9) 

• Cable Lock/Unlock: Fixed cable lock/unlock issues for older hardware (stations older than 19420xxx). 

• Cable Detection: Reworked the cable detection mechanism. 

• DC Leakage Test: Ignored DC leakage test commands when no leakage device was present. 

• EVSE Paused State: Transitioned to the Paused by EVSE state when the current dropped below 6 A. 

• Signal Analysis: Fixed "CP out of range" errors with improved signal analysis. 

• PWM Generation: Generated PWM signals in the Preparing state. 

• Watchdog Logic: Rewrote the watchdog logic for SOM restarts. 

• PWM Disturbances: Increased ADC range tolerance for PWM disturbances, mitigating DiodeInCarMalfunction/Negative12VNotDetected errors. 

• Plug Unlocking: Fixed plug unlocking in the Available state. 

• Connector State Transitions: Adjusted state transitions after charging ended, moving from Charging Ended to Preparing and then to Available when disconnected from the EV but still connected to the charger. 

INCH DUO (v0.61) 

• Cable Unlock: Fixed false positive cable unlock issues. 

• Feedback Delay: Reduced feedback delay from 3000 ms to 500 ms. 

• DC Leakage Test: Ignored DC leakage test commands when no leakage device was present. 

• EVSE Paused State: Transitioned to the Paused by EVSE state if the current fell below 6 A. 

• Plug Locking/Unlocking: Improved plug lock/unlock reliability by adding retries upon failure. 

• Connector Unlocking: Prevented automatic unlocking of connectors in the Charging Ended state. 

• ADC Level Adjustment: Adjusted ADC levels for better accuracy. 

• Connector Welded Errors: Fixed false positive ConnectorWelded errors. 

System 5.0.9 

• Bundled and updated the app to version 5.4.1. 

System 5.0.8

• Update the bundled app to 5.3.

• Lower the LCD refresh rate to 27MHz.

• Updated OpenSSH library to latest version.

Bootloader

• INCH

  • Prevent switching to the other system if the SOM 3x consecutively loses power before the boot of the system is completed.

Application 5.4

Date: 21.12.2023

Application 5.4

• Meassure EV maximum charging current again after 30 minutes (issues with cold/hot battery)

• Increase initial EV limits measuring to 60 seconds.

• Smaller charging profile fixes for edge cases

• Added meter value configuration keys without phase suffix to enable simultaneous reporting for all phases

• Enabled verbose logs by default

• Fix charging not starting after cancellation of a reservation.

• Fix detection if PIN is required to unlock SIM card.

• Fix authorizations with PIN being logged as RFID.

• Fix reading certain RFID cards on TWN4 reader.

• Fix factory reset of WiFi module.

• Fix second RFID swipe cancelling an active authorization.

• Fix excessive operating times and energy consumptions by ignoring suspiciously
  long sessions, which might arise due to system clock jumps or reboots.

• Fix default vehicle characteristics persisting in the public mode after being
  changed in the private mode.

OCPP

• Add root-level NoCommWithCentralSystemResetInterval config key.

  • Add phase-less config keys for measurands that enable the measurand on all
    three phases.

• Changed OCPP keys to be less than 50 characters long

  • Authorization.SingleSwipeStop

  • CentralSystem.Client.CommLostFallbackCurrent

  • Network.Wifi.Wan.ObtainDnsServerAddressAuto

  • PM.ProfileSettings.RecurringProfileRandomDelay

  • PM.ProfileSettings.ChargingModeFlavour

  • PM.ProfileSettings.AllowRemoteProfiles

  • SmartHome.ModbusOp.CommLostFallbackCurrent

  • SmartHome.ModbusOp.CommLostFallbackTimeout

  • BuildingPowerSupplyLimits.LG.CounterData.Ip

  • BuildingPowerSupplyLimits.LG.CounterData.Port

  • Ignore ProfileSettings.RealignProfileZero and assume it to be always true.

Modbus

• Keep session ID, session duration, EV max power, EV max current and EV
  planned energy registers unchanged after the session ends.

• Fix pause command putting the connector into fault when overcurrent
  protection is active.

GUI

• Update translations.

  • New Czech, Slovenian, Hungarian translations

• Added new translations

  • Estonian, Litvan, Lithuanian, Swedish, Norwegian, Slovakian

• INCH

  • Add WiFi enable/disable button in service menu.

• INCH DUO

  • Fix status screen freeze after charging is stopped on both connectors.

  • Fix label positions on Payment button.

Power Management

• Added support for EV max reevaluation.

Web 2.8.2

• Fix filtering authorizations by identification.

• Show restart required notification on language change.

• Show only single phase current limitation in the case that charger is
  connected to single phase

• Set fallback current to 0A in the case that is set below 6A for inch or 7A for
  DUO.

• Do not show target current when EV pauses charging.

• Disable DI2 for other external signal purposes when tampering enabled. When
  tampering enabled, use cannot select on which DI it is connected.

• Add missing event types' translations.

• Add validation that fallback current cannot be set lower than 6A for INCH and
  lower than 7A for DUO also to the configuration forms: power management
  connection, central system connectivity.

• Change description of tamper detection, where DI2 is used for detecting it.

•  

• Display meter values on diagnostic screen where values received from new API
  meter values.

• Allow min fallback current 7 A on L2 and L3 if communication fails between
  INCH DUO and Load Guard.

• Allow max fallback current for modbus connection on DUO 7A.

• Show culture/language selection list also on Brain.

• Display load scheduling icon when is active also on connector 2 in the case of
  DUO.

• Hide the possibility to configure the auxiliary central system.

• Show "New firmware version available" notification only once.

• Add button "Restart now" into notification when changing configuration value.

• Add an option to synchronize the local users and identifications with another
  charger.

• Add a dialog whether you would really like to restart charger.

• Sort code lists used at reporting (filtering of authorizations, sessions and
  events).

Connectors Controller

• INCH (v4.8)

  • Fix CP error detection.

  • Fix AC/DC leakage detection and prevent contactor tuning on in those cases.

  • Fix false-positive AC/DC leakage detected with no leakage device.

• INCH DUO (v0.49)

  • Fix bender test when the bender cable is unplugged.

  • Fix false-positive unlocking error.

  • Fix PP-out-of-range errors.

  • Fix CP and diode error detection.

  • Fix false-positive AC/DC leakage detected with no leakage device.

  • Fix stopping charging in certain cases.

Application 5.3

Charger Operations

• Support Multipart firmware download. Needs to be supported by backend with HTTP download

• Support Czech Krona on Payter.

• Support connector 0 in RemoteStart to automatically choose the connector. When sending remote start, last plugged connector is selected

• Fix reservations. Reserved connectors don’t automatically timeout after some period.

• Fix TxDefaultProfile when PowerManagement is disabled. - pojasnilo

• Support charging with the same ID tag on both connectors on INCH Duo.

• Fix end time of resumed sessions after power loss. -

OCPP

• Add Charger OS version in BootNotification.

• Show PreferredOperator settings in GetConfiguration (mobile/LTE connectivity operators)

• Support FTPS for diagnostic logs and firmware transfers. Needs to be supported by backend

• Fix authorization when the same tag ID is in the central system cache and the charger whitelist.

• Fix wrong ID tag being sent if we swipe the same RFID card twice.

LCD Screen

• Fix getting stuck in Finished Plugged In screen when the user unplugs the car

My INCH web interface (2.7.6)

• Mandatory change operator password on the first login.

• Support manually triggering DC leakage test

• Redirect non-OCPP requests from HTTP to HTTPS when OCPP is running on HTTP and the web interface on HTTPS.

Connectors Controller

INCH (v4.6)

• Disable DC leakage test during charging.

• Do not disconnect/connect CP relay while resuming charging

• Wait for system boot to resume charging after a power loss to prevent overcurrent during that time.

• Do not generate PWM signal when in preparing state.

• Fix DC leakage error handling.

INCH DUO (v0.42)

• Disable DC leakage test during charging.

• Do not disconnect/connect CP relay while resuming charging

• Wait for system boot to resume charging after a power loss to prevent overcurrent during that time.

• Do not generate PWM signal when in preparing state.

• Fix DC leakage error handling.

System 5.0.5

• Updated system with latest libraries

• Auto-negotiate for the highest supported serial connection speed with the GSM
  modem on INCH rather than always falling back to 115200 bps.

• Add HiGHS LP libraries.

• Rewritten LTE connection logic

5.2

Application 5.2

Charger Operations

• Add charging profiles in data backup.

• Add support for detecting and downloading firmware updates from a predefined server.

• Add Gui.EnableSound settings.

• Add CommunicationLostFallbackCurrent for fail-safe current when the connection with the central system fails.

• Add Session.RestoreSessionAfterPowerLoss setting.

• Add Network.Gsm.PreferredOperator.MobileCountryCode and Network.PreferredOperator.MobileNetworkCode settings for setting the preferred mobile operator.

• Implement (previously ignored) CentralSystem.Client.AuthorizeCounterInterval and CentralSystem.Client.EventCounterInterval settings.

• Implement temperature measurement.

• Improve GSM modem management logic.

• Generate events on door open and implement tampering detection on digital IO, which can be configured with new Aux.DigitalIOs.Tamper* settings.

• Regard empty string as null for nullable settings.

• Enable port forwarding for Secure Modbus on WiFi module.

• Fortify nginx configuration (limit ciphers, use non-default EC ...).

• Restart WiFi module if it disconnects to mitigate some cases where it needs hours to reconnect.

• Fix switching from the fallback to the target current mandated by PowerManagement when the connection is re-established.

• Fix reporting too many failed authorisations.

• Fix discovery for TWN4 RFID reader.

• Fix long read times for TWN4 RFID reader.

• Fix departure time calculation when departure time is before the current one (move the departure to the next day).

• Fix reboot loop for WiFi module, give it 30 seconds for reboot.

• Fix authorization type in PlugAndCharge sessions.

• Fix session end time after it has been resumed after a power loss.

• OCPP

  • Fix missing transactionId in ChargingModeChanged DataTransfer message.

  • Fix sending invalid out-of-transaction ChargingModeChanged DataTransfer messages.

• Modbus

  • Add 53 & 153 input registers for reporting the current charging mode.

GUI

• Add LoadGuard status in the service menu.

• Update translations.

• Periodically refresh system information in service menu, not just on opening.

• Fix back button stopped working on pricing screen after 1 minute.

• Fix stuck payment declined error screen.

Power Management

• Implement support for Phoenix contact EEM-MA371 as load guard.

• Fix phase permutation for vehicles using 2 phases.

Web Interface 2.7.0

• Add operator's password complexity check.

• Add temporary lock-out for operator when too many login attempts fail.

• Add meterValues web API to read meter values.

• Add dataDelete web API for purging database.

• Add new firmware notification.

• Add option to purge database on diagnostics page.

• Show GSM network technology.

• Revamp access permissions for web API.

• Disable "Obtain DNS servers automatically" when not using DHCP since this is not supported by the OS.

• Support tamper detection DI/DO.

• Rename EVUser role to Viewer.

• Disable charging profile editing for Viewer.

• Remove the option to assess web interface without login.

• Hide measurements when charging is not running on a cluster connector.

• Hide pricing menu on INCH.

• Update translations.

• Fix filtering sessions by ID tag.

• Fixes for charging profile editor.

Connectors Controller

• INCH (v4.2)

  • DC leakage is a not fatal error, which requires reboot, any more.

• INCH DUO (v0.38)

  • Fix detection of proximity pilot out of range.

System 5.0.4

• Add option to set preferred mobile operator in ofono.

• Fix host SSH certificates on Brain to be the same as on chargers.

• Increased LTE speed and connectivity between LTE and SOM module

5.1

Date: 17.08.2022

System changelog

System 5.0.2

• Fixed SPI service for Micrel that resulted in Payter terminals not responding

System 5.0.1

• Add support for Quectel UC20/EC25/EG21 modems.

• Fix DHCP server on eth1 used by Payter.

System 5.0

• Update .NET to 5.0.17.

• Update COIN-OR to the latest versions.

• Remove lpsolve.

• Disable online check in connman (accessing ipv*.connman.net).

• Fix Micrel switch on older (pre-1.2rev1) boards.

• Fix forward error correction on system partitions.

Application changelog

Application 5.1

• Reset RFID on boot

• Disable reservations in PlugAndCharge mode

• Optimize charger shutdown by stopping the active sessions in parallel

• Improve parsing of Wi-Fi networks to work with wider range of Wi-Fi firmwares