ABB DCS 500B Description page 194

FAULT_WORD_3
Signal of FAULT HANDLING function block
Fault status word where each bit represents one fault status.
If fault is active, corresponding bit is set.
B0 reserved
B1 reserved
B2 reserved
B3 reserved
B4 reserved
B5 reserved
B6 reserved
B7 reserved
B8 reserved
B9 reserved
B10 Current rise fault
B11 Conv.fan curr.fault
B12 Ext.Overvolt.Fault
B13 Fieldbus Timeout
B14 Current Difference
B15 Reversal Fault.
11103 S: PB SC: -
ALARM_WORD_1
Signal of FAULT HANDLING function block
Alarm status word where each bit represents one alarm status.
If alarm is active, corresponding bit is set.
B0 Start inhibition
B1 Emergency stop
B2 Motor 1 temp. alarm
B3 Motor 1 overl.alarm
B4 Conv.overtemp alarm
B5 Current reg blocked
B6 reserved
B7 RAM-backup failed
B8 Motor 2 temp. alarm
B9 Motor 2 overl alarm
B10 Mains underv.alarm
B11 reserved
B12 Conv.FAN ack.alarm
B13 Arm.curr.dev.alarm
B14 reserved
B15 Ext. FAN ack.larm
11104 S: PB SC: -
HL: - LL: -
(used from S21.233 on)
HL: - LL: -
DCS500 Pin and Parameter list
( S16/16 )
D: - U: -
( S16/16 )
D: - U: -
A 90