ABB AC500 V3 Hardware Manual page 515

Internal value Operating modes of the analog outputs, individually configurable
129
130
Table 106: Channel monitoring
Internal value Monitoring
0
3
Table 107: Substitute value
Intended behaviour of
output channel when the
control system stops
Output OFF
Last value infinite
Last value for 5 s and then
turn off
Last value for 10 s and then
turn off
Substitute value infinite
Substitute value for 5 s and
then turn off
Substitute value for 10 s and
then turn off
Diagnosis
Table 108: Possible diagnosis of I/O channels
Output range
0..20 mA
4..20 mA
-10..+10 V
Input range Condition
Short circuit
0..20 mA no diagnosis possible no diagnosis possible no diagnosis possible Error identifier = 48
4..20 mA Error identifier = 7
-10..+10 V no diagnosis possible Error identifier = 48
2022/01/31
Analog output 0 mA...20 mA (not with the channels 4...7 and 12...15)
Analog output 4 mA...20 mA (not with the channels 4...7 and 12...15)
5 )
Plausibility, open circuit (broken wire) and short circuit (default)
No monitoring
6 )
Required setting of the
module parameter "Behav-
iour of outputs in case of a
communication error"
Off
Last value
Last value 5 sec
Last value 10 sec
Substitute value
Substitute value 5 sec
Substitute value 10 sec
Condition
Output value in the PLC
underflow
Error identifier = 7
Wire break
Error identifier = 7
3ADR010278, 3, en_US
I/O modules > Analog I/O modules
Required setting of the
channel parameter "Substi-
tute value"
0
0
0
0
Depending on configuration
Depending on configuration
Depending on configuration
Output value in the PLC overflow
Error identifier = 4
Input value under-
flow
Error identifier = 7
Error identifier = 7
Device specifications
Input value over-
flow
Error identifier = 48
Error identifier = 48
515