v.2.1.0

[2.1.0] - 27.01.2025

Added

• New method readTcSystemExtendedState()
  • Reads extended target TwinCAT system state (if available)
• Improved detection of TwinCAT system service restart
  • Available if remote system supports readTcSystemExtendedState()
  • Tested with TwinCAT 3.1.4022, 3.1.4024 and 3.1.4026
  • Client detects a restart of TwinCAT system and reconnects to re-establish subscriptions
  • See issue issue #159
• Added tests for subscription persistence during TwinCAT system restart

Changed

• Changed activeSubscriptions property visibility from private to public
• disconnect event is no longer emitted continuously each reconnect attempt (only during the initial disconnect / connection lost event)
• disconnect event parameter isReconnecting changed to connectionLost
• TwinCAT system state type (metaData.tcSystemState) changed from AdsState to AdsTcSystemState
  • Not a breaking change - the new type extends AdsState