Siemens SIMATIC ET 200SP Manual page 41

Interrupts/diagnostics alarms
5.1 Status and error display
Channel status/channel error LED
Table 5- 2
Channel status
PWR LED
Table 5- 3
PWR LED
40
Status and error display of the LED channel status / channel error
LEDs
Channel error
Off Off
On Off
Off On
On On
Status display of the PWR LED
Meaning
Supply voltage L+ missing
Off
Supply voltage L+ present
On
Meaning
Channel deactivated
Channel activated and no channel diagnostics
Channel activated and channel diagnostics
Not permitted (error)
Analog input module AI 4xRTD/TC 2-/3-/4-wire HF (6ES7134-6JD00-0CA1)
Manual, 09/2018, A5E03573289-AE