If1: Pb/Pn Clock Cycle Synchronous Operation Clock Cycle Failure; If1: Pb/Pn Clock Cycle Synchronous Operation Sign-Of-Life Failure; Comm Int: Monitoring Time Sign-Of-Life Expired - Siemens Sinamics S120 Diagnostic Manual

201911 <location>IF1: PB/PN clock cycle synchronous operation clock cycle failure
Message value: -
Drive object: All objects
Reaction: Servo: OFF1 (OFF3)
Infeed: OFF1
Acknowledge: IMMEDIATELY
Cause: The global control telegram to synchronize the clock cycles has failed - in cyclic operation - for several DP clock cycles
or has violated the time grid specified in the parameterizing telegram over several consecutive DP clock cycles (refer
to the bus cycle time, Tdp and Tpllw).
Remedy: - check the PROFIBUS cables and connectors.
- check whether communication was briefly or permanently interrupted.
- check the bus and master for utilization level (e.g. bus cycle time Tdp was set too short).
Note:
IF1: Interface 1
PB: PROFIBUS
PN: PROFINET
201912 <location>IF1: PB/PN clock cycle synchronous operation sign-of-life failure
Message value: -
Drive object: All objects
Reaction: Servo: OFF1 (OFF3)
Infeed: OFF1
Acknowledge: IMMEDIATELY
Cause: The maximum permissible number of errors in the master sign-of-life (clock synchronous operation) has been
exceeded in cyclic operation.
Remedy: - check the physical bus configuration (terminating resistor, shielding, etc.).
- correct the interconnection of the master sign-of-life (p2045).
- check whether the master correctly sends the sign-of-life (e.g. create a trace with STW2.12 ... STW2.15 and trigger
signal ZSW1.3).
- check the permissible telegram failure rate (p0925).
- check the bus and master for utilization level (e.g. bus cycle time Tdp was set too short).
Note:
IF1: Interface 1
PB: PROFIBUS
PN: PROFINET
201913 <location>COMM INT: Monitoring time sign-of-life expired
Message value: -
Drive object: All objects
Reaction: Servo: OFF1 (NONE, OFF2, OFF3)
Infeed: OFF1 (NONE, OFF2)
Acknowledge: IMMEDIATELY
Cause: The monitoring time for the sign-of-life counter has expired.
The connection between the drive and the higher-level control (SIMOTION, SINUMERIK) has been interrupted for the
following reasons:
- the control was reset.
- the data transfer to the control was interrupted.
Remedy: - wait until the control has re-booted.
- restore data transfer to the control.
Alarms
Diagnostics Manual, 07/2010, 6FC5398-8BP40-0BA0
SINAMICS alarms
595