Siemens SIMATIC ET 200SP HA Manual page 19

Channel status
PWR LED
Table 5-4
Digital input module DI 8x24...125VDC HA (6DL1131-6DF00-0PK0)
Manual, 11/2017, A5E39288633-AB
5.1 Status and error displays of the I/O module DI 8x24...125VDC HA
Channel fault
LED LED
Off On
On On
Status display of the PWR LED
PWR LED Meaning
Supply voltage L+ missing
Off
Supply voltage L+ present
On
Meaning
Process signal = 0 and
● Channel enabled and channel diagnostics pending
Process signal = 1 and
● Channel enabled and channel diagnostics pending
Displays and interrupts
19