Siemens SIMATIC ET 200SP CM 1xDALI - Diagnostics alarms

Diagnostic alarms
6.2 Diagnostics alarms
ET 200SP Communication module CM 1xDALI (6ES7137-6CA00-0BU0)
Manual, 06/2019, A5E46959434-AA
111
6.2
Diagnostics alarms
A diagnostics alarm is generated and the DIAG-LED flashes on the module for each
diagnostics event. Read out the diagnostics alarms, for example, in the diagnostics buffer of
the CPU. Evaluate the error codes with the user program.
Diagnostic
alarm
Error code
Meaning
Solution
Internal error 100
H
Communication module is defective Replace communication
module
Parametriza-
tion Fault
103
H
Possible causes:
• The received parametrization rec-
ord is not valid.
• The configured BaseUnit is not the
actual BaseUnit.
• Check the parametriza-
tion record.
• Check the BaseUnit.
Short circuit 1
H
Short circuit of DALI bus.
Only occurs when the integrated DALI
bus power is enabled.
Correct the DALI bus wiring.
Fault over
voltage
3
H
The supply voltage of the module ex-
ceeds the permission.
Check the supply voltage on
the BaseUnit. For example,
Check whether you connect-
ed the city power to the DALI
bus by mistake.
Component
temporarily
unavailable
1F
H
Firmware update is currently in pro-
gress or has been canceled. The mod-
ule does not output any process or
substitute values in this state.
• Wait for firmware update.
• Restart the firmware up-
date.
Short circuit behavior
On detection of a short circuit which exists for longer than the shutdown delay time (650 ms),
the bus power supply may shut down for a period up to the restart period (14 s). On each
restart the power supply turns on the output for the retry time (650 ms).