Siemens Simatic S7-1500/ET 200MP Equipment Manual - Page 28
Browse online or download pdf Equipment Manual for Industrial Equipment Siemens Simatic S7-1500/ET 200MP. Siemens Simatic S7-1500/ET 200MP 34 pages. Digital input module di 16x24vdc ba
Also for Siemens Simatic S7-1500/ET 200MP: Manual (28 pages), Manual (41 pages), Manual (35 pages)
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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
Status and error displays RUN and ERROR
LED
RUN
ERROR
Off
Off
Off
Flashes
On
Off
Flashes
Flashes
Digital input module DI 64x24VDC SNK/SRC BA (6ES7521-1BP00-0AA0)
Equipment Manual, 07/2020, A5E48025116-AA
Meaning
Voltage missing or too low at backplane bus
Module starts up
Module is ready
Hardware defective
5.1 Status and error displays
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 in-
serted.
---
Replace the module.
Diagnostic alarms
27