Siemens SIMATIC ET 200SP Manual page 17

DIAG LED
Table 5- 1
Channel status LED
Table 5- 2
Channel status
PWR LED
Table 5- 3
DI 8x24VDC ST digital input module (6ES7131-6BF00-0BA0)
Manual, 07/2014, A5E03574157-AC
DIAG LED fault/error display
DIAG LED Meaning
Backplane bus supply of the ET 200SP not OK
off
Module parameters not assigned
Flashes
Module parameters assigned and no module diagnostics
on
Module parameters assigned and module diagnostics
Flashes
Status display of the channel status LED
Meaning
LED
Process signal = 0
off
Process signal = 1
on
Status display of the PWR LED
PWR LED Meaning
No supply voltage L+
off
Supply voltage L+ present
on
Interrupts/diagnostics alarms
5.1 Status and error display
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