Siemens SINAMICS DCM - COMM BOARD: Monitoring Time Configuration Expired; PN;COMM BOARD: Internal Cyclic Data Transfer Error; PN;COMM BOARD: Monitoring Time Sign-Of-Life Expired; PN;COMM BOARD: Setpoint Timeout

4 Faults and alarms
4.2 List of faults and alarms
SINAMICS DCM
962 List Manual (LH8), 02/2015, 6RX1800-0ED76
F08500 (A) COMM BOARD: Monitoring time configuration expired
Message value: %1
Message class: Communication error to the higher-level control system (9)
Drive object: All objects
Reaction: OFF1 (OFF2, OFF3)
Acknowledge: IMMEDIATELY
Cause: The monitoring time for the configuration has expired.
Fault value (r0949, interpret decimal):
0: The transfer time of the send configuration data has been exceeded.
1: The transfer time of the receive configuration data has been exceeded.
Remedy: Check communications link.
Reaction upon A: NONE
Acknowl. upon A: NONE
F08501 (N, A) PN/COMM BOARD: Setpoint timeout
Message value: -
Message class: Communication error to the higher-level control system (9)
Drive object: All objects
Reaction: OFF3 (IASC/DCBRK, NONE, OFF1, OFF2, STOP2)
Acknowledge: IMMEDIATELY
Cause: The reception of setpoints from the COMM BOARD has been interrupted.
- bus connection interrupted.
- controller switched off.
- controller set into the STOP state.
- COMM BOARD defective.
Remedy: - Restore the bus connection and set the controller to RUN.
- check the set monitoring time if the error persists (p2040).
See also: p8840 (COMM BOARD monitoring time)
Reaction upon N: NONE
Acknowl. upon N: NONE
Reaction upon A: NONE
Acknowl. upon A: NONE
F08502 (A) PN/COMM BOARD: Monitoring time sign-of-life expired
Message value: -
Message class: Communication error to the higher-level control system (9)
Drive object: All objects
Reaction: OFF1 (OFF2, OFF3)
Acknowledge: IMMEDIATELY
Cause: The monitoring time for the sign-of-life counter has expired.
The connection to the COMM BOARD was interrupted.
Remedy: - check communications link.
- check COMM BOARD.
Reaction upon A: NONE
Acknowl. upon A: NONE
A08504 (F) PN/COMM BOARD: Internal cyclic data transfer error
Message value: %1
Message class: Communication error to the higher-level control system (9)
Drive object: All objects
Reaction: NONE
Acknowledge: NONE
Cause: The cyclic actual and/or setpoint values were not transferred within the specified times.
Alarm value (r2124, interpret decimal):
Only for internal Siemens troubleshooting.