Siemens 6RA7086-6KS22 Operating Instructions Manual page 197

05.05
Fault and alarm messages:
Detailed information about fault messages can be found in Section 10.
Fault F080
An error occurred during initialization of the CBC board, e.g. incorrect setting of a CB
parameter, incorrect bus address or defective board.
Fault F081
The heartbeat counter (counter on CBC) which is monitored by SIMOREG for "signs of life"
from the board has not changed for at least 800 ms.
Fault F082
Failure of PZD telegrams or a fault in the transmission channel
Alarm A083 (Error Warning)
Errored telegrams are being received or sent and the error counter on the supplementary
board has exceeded the alarm limit.
Errored telegrams are ignored. The data most recently transferred remain valid. If the
errored telegrams contain process data, fault message F082 with fault value 10 may be
activated as a function of the telegram failure time set in U722. No fault message is
generated for PKW data.
Alarm A084 (Bus Off)
Errored telegrams are being received or sent and the error counter on the supplementary
board has exceeded the fault limit.
Errored telegrams are ignored. The data most recently transferred remain valid. If the
errored telegrams contain process data, fault message F082 with fault value 10 may be
activated as a function of the telegram failure time set in U722. No fault message is
generated for PKW data.
SIEMENS AG 6RX1700-0AD76
SIMOREG DC Master Operating Instructions
Start-Up
7-39