Siemens SIMATIC ET 200AL, Системное руководство

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PROFIenergy
7.3 DQ operating mode
Digital input/digital output module DIQ 4+DQ 4x24VDC/0.5A 4xM12 (6ES7143-5AF00-0BA0)
30
Equipment Manual, 08/2021, A5E36683613-AB
7.3 DQ operating mode
Display
The channel status LEDs are directly affected by the signal level at the socket.
Response to error detection
All channels that are in pause mode on "PE_MODE_PROCEED" report their diagnostic status as
in productive mode.
The following applies for all channels which switch to a different pause mode:
•
During the "pause", error detection of "Short circuit" is not possible:
– Alarms for errors already pending before the "pause" are retained.
– After the "pause" is over, the error status is updated and incoming/outgoing errors are
reported correspondingly.
Mode parameter
The following table shows the "Mode" parameter.
Table 7- 2 Mode parameter
Element Code Explanation
Mode 0
D
: PE_MODE_PROCEED Proceed at "pause"
•
Value status "GOOD"
1
D
: PE_MODE_SHUTDOWN Switch off at "pause"
•
Pause substitute value: 0
B
• Value status "BAD"
3
D
: PE_MODE_LAST_VALUE Last value at "pause"
•
Pause substitute value: Last output value is main-
tained
• Value status "BAD"
4
D
: PE_MODE_SUBST_VALUE Substitute value at "pause"
•
Pause substitute value: Configured pause substi-
tute value is output
• Value status "BAD"