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