Siemens Simatic S7-1500/ET 200MP Руководство - Страница 23
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Interrupts/diagnostics alarms
5.1 Status and error displays
Meaning of the LED displays
The following tables explain the meaning of the status and error displays. Remedial measures
for diagnostic alarms can be found in section Diagnostic alarms (Page 25).
RUN and ERROR LED
Table 5- 1
Status and error displays RUN and ERROR
LEDs
RUN
ERROR
Voltage missing or too low at backplane bus.
Off
Off
The module starts and flashes until the valid
parameter assignment is set.
Flashes
Off
Module is configured.
On
Off
Indicates module errors (at least one error at
one channel, e.g., wire break).
On
Flashes
Hardware defective.
Flashes
Flashes
CHx LED
Table 5- 2
CHx status display
LED CHx/COMP
Channel disabled
Off
Channel configured and OK.
On
Channel is configured (channel error pending).
Diagnostic alarm: e.g. wire break
On
22
Meaning
Meaning
Remedy
•
Switch on the CPU and/or the system power
supply modules.
•
Verify that the U connectors are inserted.
•
Check whether too many modules are insert-
ed.
---
Evaluate the diagnostics data and eliminate the
error (e.g., wire break).
Replace the module.
Remedy
---
---
Check the wiring.
Disable diagnostics.
Analog input module AI 16xU BA (6ES7531-7LH00-0AB0)
Equipment Manual, 09/2020, A5E47052556-AA