Interrupts; Diagnostics Alarms - Siemens DI 8x24VAC/48VUC BA Manual

Interrupts/diagnostics alarms

5.2 Interrupts

5.2 Interrupts
The DI 8x24VAC/48VUC BA digital input module supports diagnostics interrupts.
Diagnostic interrupts
The module generates a diagnostic interrupt at the following events:
● Parameter assignment error
● No supply voltage
5.3

Diagnostics alarms

A diagnostic alarm is generated and the DIAG-LED flashes on the module for each
diagnostics event. You can read out the diagnostics alarms, for example, in the diagnostics
buffer of the CPU. You can evaluate the error codes with the user program.
Table 5- 4 Diagnostics alarms, their meaning and how to deal with them
Diagnostics alarm Error code
Parameter assign- 10
ment error
No supply voltage 11
20
Meaning
The module cannot evaluate parame-
•
H
ters for the channel.
Incorrect parameter assignment.
•
No or insufficient supply voltage L
H
Remedy
Correct the parameter assignment
Check supply voltage L at the Ba-
•
seUnit
Check BaseUnit type
•
Digital input module DI 8x24VAC/48VUC BA (6ES7131-6CF00-0AU0)
Manual, 07/2018, A5E42285997-AA