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Commissioning and Diagnostics
5.4
Parameterizable diagnostic messages
You can assign parameters to diagnostic messages for the following modules with
STEP 7 or COM PROFIBUS:
S EM 142 DO 4
(6ES7 142-1BD40-0XB0)
S PM 148 DO 4
S All expansion modules with analog inputs
S All expansion modules with analog outputs
Diagnostics messages of the EM 142 DO 4
(6ES7 142-1BD40-0XB0) and the PM 148 DO 4
Table 5-10 Diagnostics messages of the EM 142 DO 4 x DC 24V/2A and
Diagnostic message
Configuration or parameter
assignment error
Wire break
Short-circuit to M
Short circuit to L+
*
The broken wire signal is triggered at a current value of < 6 mA and only if the
corresponding channel has been set.
5-20
DC 24V/2A expansion module with digital outputs
DC 24V/2A power module
PM 148 DO 4 x DC 24V/2A
Area affected by
Expansion module
Channel
Channel
Channel
DC 24V/2A
DC 24V/2A
diagnostics
Not configurable
Configurable
Configurable
Configurable
ET 200X Distributed I/O Device
Configurable
EWA 4NEB 780601602-06
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