9-26 Siemens Energy & Automation
SIMOREG DC Master Base Drive Panel Operating Instructions
Fault Description
No.
Cause as a function of fault value
(r047.001, r949.001 or r949.009 with acknowledged error)
Further information (r047.002 to r047.016)
F078 SCB1: Current below 4mA minimum value at analog input3 of slave 2
(active in all operating states)
The cause of the fault may be a cable break
F079 SCB1: Telegram failure
(active in all operating states)
Check function of SCB1 (activity LEDs) and connection to SCI slaves (fiber optics)
F080 Error in initialization of a CB/TB board
Possible causes for fault values 1 and 6:
♦ CB/TB board is defective
♦ CB/TB board is not installed correctly
♦ CB/TB board is taking too long to run up (e.g. due to very complex TB configuration)
Fault value (r949 index 001): r047 index 002 to 016:
1 The "Heartbeat counter“ of the CB/TB has not started to
count within 20 s
i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
2 The product version of the installed CT/TB board is not
compatible with the SIMOREG 6RA70 converter
i002 Code number of slot containing incompatible board:
2 Slot D
3 Slot E
4 Slot F
5 Slot G
6 CB when configuration includes TB
5 Parameters P918, U711 to U721 are not correctly set or
not accepted after a change by means of U710 = 0
setting. (The meanings of these parameters are defined
in the manual for the relevant CB board, see also function
diagrams, Section 8, Sheets Z110 and Z111)
i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
6 The initialization run for a CB/TB board has not been
completed within 40 s
i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
F081 CB/TB heartbeat error
CB/TB has not incremented the monitoring counter for a period
of 800 ms
Possible causes of fault
♦ CB/TB board is defective
• CB/TB board is not correctly installed
i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
F082 CB/TB message timeout or error in data exchange
Possible causes of fault
♦ CB/TB PZD message timeout (with fault value 10)
♦ Excessive EMC-related interference
(e.g. due to unprotected contactors, unscreened cables, loose screen connections)
♦ CB/TB board is defective
♦ CB/TB board is not correctly inserted
Fault value (r949 index 001): r047 Index 002 to 016:
1 Fault in alarm channel from CB to basic unit i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
2 Fault in alarm channel from TB to basic unit
3 Fault in fault channel from TB to basic unit
5 Fault in parameter job channel from CB to basic unit i015 Code number of board:
1 TB or 1
st
CB
2 2
nd
CB
6 Fault in parameter response channel from basic unit to
CB
i015 Code number of board:
1 1
st
TB or 1
st
CB
2 2
nd
CB
7 Fault in parameter job channel from TB to basic unit
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