Diagnostics Alarms - Siemens SIMATIC ET 200SP Equipment Manual

6.3

Diagnostics alarms

Diagnostics alarms
A diagnostics alarm is generated for each diagnostics event and the F-module flashes the
DIAG LED. You can read out the diagnostics alarm, for example, from the diagnostics buffer
of the F-CPU. You can evaluate the error codes using the user program.
Note
You can connect several actuators per output.
If several actuators are connected to an output, the diagnostics of each actuator affects the
other ones.
In other words, a single short-circuit affects multiple actuators.
Once the fault is eliminated, the F-module must be reintegrated in the safety program. For
additional information on passivation and reintegration of F-I/O, refer to the SIMATIC Safety –
Configuring and Programming
(https://support.industry.siemens.com/cs/ww/en/view/54110126) manual.
Table 6- 5 Diagnostics alarms, their meaning and possible remedies
Diagnostics alarm
Overtemperature
Parameter error
Supply voltage missing
Safety-related shutoff
Digital output module F-DQ 8x24VDC/0.5A PP HF (6ES7136-6DC00-0CA0)
Equipment Manual, 12/2022, A5E38578424-AB
Fault Meaning
code
5 An excessively high temperature was
H
measured in the F-module.
10 Parameter assignment errors include:
H
• The F-module cannot use the parame-
ters (unknown, invalid combination,
etc.).
• The F-module parameters have not
been configured.
11 Missing or insufficient supply voltage L+
H
19 For safety purposes, channel was
H
switched off due to an error on another
channel.
Possible causes:
• A short-circuit exists.
• The capacitive load is too high.
Interrupts/diagnostic messages
6.3 Diagnostics alarms
Solution
Operate the F-module within the speci-
fied temperature range (see Technical
specifications (Page 54))
Once the temperature has been re-
duced and returns to the specified
range, the F-module must be removed
and inserted or the power switched
OFF and ON.
Correct the parameter assignment.
• Operate the F-module within the
specified supply voltage range.
• Check BaseUnit type
• Correct the process wiring.
• Increase the test times (dark, light).
49