Interrupts - Siemens DQ 16x24VDC/0.5A HF User Manual

LED CHx
Table 5- 4 CHx status display
LED CHx
Off
On
On
5.2

Interrupts

The digital output module DQ 16x24VDC/0.5A HF supports diagnostic interrupts and
maintenance interrupts.
You can find detailed information on the event in the error organization block with the
"RALRM" instruction (read additional interrupt info) and in the STEP 7 online help.
Diagnostic interrupt
The module generates a diagnostic interrupt at the following events:
● No supply voltage L+
● Short circuit to ground
● Wire break
● Parameter assignment error
Maintenance interrupt
The module generates a maintenance interrupt at the following events:
● Limit value warning
Digital output module DQ 16x24VDC/0.5A HF (6ES7522-1BH01-0AB0)
Manual, 06/2018, A5E35683409-AC
Meaning
0 = Status of the output signal
1 = Status of the output signal
Wire break or short-circuit to ground
•
Supply voltage L+ missing or too low
•
Interrupts/diagnostics alarms
Solution
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Correct the process wiring
•
Check the supply voltage.
•
5.2 Interrupts
27