Diagnostics Alarms - Siemens SIMATIC ET 200SP Manual

Operating mode DI
3.3 Interrupts/diagnostics alarms
3.3.3

Diagnostics alarms

A diagnostic interrupt is output for each diagnostics event and the DIAG LED on the module
flashes. The diagnostic interrupts can, for example, be read from the diagnostics buffer of
the CPU. You can evaluate the error codes with the user program.
Table 3- 8 Diagnostic interrupts, their meaning and how to deal with them
Diagnostic interrupt Error code
Short-circuit 1
H
Parameter assign- 10
ment error
No load voltage 11
Hardware interrupt 16
lost
Channel temporarily 1F
unavailable
30
Meaning
Short-circuit to ground at encoder supply
The module cannot evaluate parame-
•
H
ters for the channel/module.
Incorrect parameter assignment.
•
No or insufficient supply voltage L+
H
Module cannot send an interrupt be-
•
H
cause a previous interrupt has not
been processed
Possible cause: Too many hardware
•
interrupts in too short a time
Firmware update in progress or update
H
has been canceled.
The module reads no process values in
this state.
Remedy
Correct process wiring
Correct parameter assignment
Check supply voltage L+ on the Ba-
•
seUnit
Check BaseUnit type
•
Change interrupt processing in the CPU
and re-assign module parameters corre-
spondingly
Wait for firmware update.
•
Restart the firmware update.
•
Digital input module DI 8x24VDC HS (6ES7131-6BF00-0DA0)
Equipment Manual, 11/2019, A5E35243810-AD