After restart of KRC with Stop KRC / Start KRC actions on controller, the running instance of C3Bridge stops working and needs to be restarted manually.
[06/15/24 23:10:24] [INFO] Client <5> connected from '192.168.234.1'.
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 65535, type 0, size 6.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariableAscii: <PING> = <PONG>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 65535, type 0, size 9, error code 1 [SUCCESS].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 65534, type 0, size 13.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariableAscii: <@PROXY_TYPE> = <C3 BRIDGE INTERFACE>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 65534, type 0, size 24, error code 1 [SUCCESS].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 65533, type 13, size 0.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 65533, type 13, size 54, error code 1 [SUCCESS].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 65532, type 4, size 28.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariable: <$MODEL_NAME[]> = <>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 65532, type 4, size 5, error code 0 [FAILURE].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 65531, type 4, size 26.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariable: <$KR_SERIALNO> = <>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 65531, type 4, size 5, error code 0 [FAILURE].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 128, type 4, size 20.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariable: <$AXIS_ACT> = <>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 128, type 4, size 5, error code 0 [FAILURE].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 128, type 4, size 20.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariable: <$AXIS_ACT> = <>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 128, type 4, size 5, error code 0 [FAILURE].
[06/15/24 23:10:24] [VERBOSE] Client <5> received message: tag 128, type 4, size 20.
[06/15/24 23:10:24] [DEBUG] Client <5> ReadVariable: <$AXIS_ACT> = <>.
[06/15/24 23:10:24] [VERBOSE] Client <5> sending answer: tag 128, type 4, size 5, error code 0 [FAILURE].
After restart C3Bridge server (C3BANSI.exe) manually, everything works again.
After restart of KRC with Stop KRC / Start KRC actions on controller, the running instance of C3Bridge stops working and needs to be restarted manually.
Tested on C3 Bundle 1.4.0, KRC 8.2 (Windows XP, C3BANSI.exe)
After restart C3Bridge server (C3BANSI.exe) manually, everything works again.