Siemens SIMATIC ET 200SP 6ES7134-6GD01-0BA1 - Page 24

Interrupts/diagnostics alarms
5.1 Status and error display
Analog Input Module AI 4xI 2-/4-wire ST (6ES7134-6GD01-0BA1)
23 Equipment Manual, 06/2020, A5E03551866-AF
DIAG LED
Table 5- 1 DIAG LED fault/error display
DIAG LED
Meaning
Off
Backplane bus supply of the ET 200SP not OK
Flashes
Module parameters not assigned
On
Module parameters assigned and no module diagnostics
Flashes
Module parameters assigned and module diagnostics
Channel status LED
Table 5- 2 Status display of the channel status LED
Channel status
LED
Meaning
Off
Channel disabled
On
Channel activated
PWR LED
Table 5- 3 Status display of the PWR LED
PWR LED
Meaning
Off
No supply voltage L+
On
Supply voltage L+ present