Siemens simatic ET 200MP Manuel de l'équipement - Page 22

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Meaning of the LED displays

The following table explains the meaning of the status and error displays.

RUN and ERROR LED

Table 5- 1

RUN and ERROR status and error displays

LED

RUN

ERROR

Off

Flashes

Off

Flashes

CHx LED

Table 5- 2

CHx status display

LED CHx

Off

Digital output module DQ 16x230VAC/1A ST Triac (6ES7522-5FH00-0AB0)

Equipment Manual, 12/2021, A5E34934069-AC

Meaning

Voltage missing or too low at backplane bus

The module starts and flashes until the valid

parameter assignment is set.

Module parameters assigned

Hardware defective

Meaning

0 = Status of the output signal

1 = Status of the output signal

5.1 Status and error displays

Solution

•

Switch on the CPU and/or the system power

supply modules.

•

Verify that the U connectors are inserted.

•

Check whether too many modules are in-

serted.

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Replace the module.

Solution

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Diagnostic alarms