Siemens SIMOTRAS 6SG7050 Operating Instructions Manual page 335

01.04
Fault
Cause as a function of fault value
No.
(r047.001, r949.001 or r949.009 with acknowledged error)
F012 Telegram failure at GSST2
when P790 = 2:
USS telegram failure at G-SST2
(active from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.
Possible causes of fault
•
Cable break
•
Error in USS master
when P790 = 4 or 5 and P798 = 32 or 33:
Peer-to-peer telegram failure at G-SST2
(active in operating states of ≤ o6)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.
Possible causes of fault
•
Break in connecting cable
•
EMC interference on connecting cable
•
P797 is set too low
F013 Telegram failure at GSST3
when P800 = 2 and P808 = 32 or 33:
USS telegram failure to G-SST3
(active from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.
Possible causes of fault
•
Cable break
•
Error in USS master
when P800 = 4 or 5:
Peer-to-peer telegram failure at G-SST3
(active in operating states of ≤ o6)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.
Possible causes of fault
•
Break in connecting cable
•
EMC interference on connecting cable
•
P807 is set too low
F014 Telegram failure at paralleling interface
(active when U800 = 1 or 2 from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter U807.
Possible fault causes
•
Interruption in connecting cable
•
EMC interference on connecting cable
•
U807 is set too low
F015 Telegram failure on one SIMOLINK board
(active when U741 > 0 as soon as the first valid telegram is received)
After receipt of one valid telegram, no further valid telegrams have arrived within the period set in parameter U741.
Possible causes of fault
•
Break in connecting cable
•
Parameter setting change during telegram exchange (for parameters see Section 11 "Configuration of SIMOLINK board)
•
U741 is set to low
Fault value:
1 Telegram failure on 1
2 Reserved
SIEMENS AG 6SG7000-0BA76
SIMOTRAS HD Operating Instructions
st
SLB
Description
Further information (r047.002 to r047.016)
Faults / alarms
[V2.1 and later]
10-5