Siemens SIMATIC ET 200SP Manual page 40

Interrupts/diagnostics interrupts
7.1 Status and error displays
Channel status/channel fault LED
Table 7-2
Channel status
PWR LED
Table 7-3
38
DIAG Meaning
Module parameters assigned and no module diagnostics
On
Module parameters assigned and module diagnostics
Flashes
Status/error display of the channel status/channel fault LED
Channel fault
Off Off
On Off
Off On
On On
Status display of the PWR LED
PWR Meaning
No supply voltage L+
Off
Supply voltage L+ present
On
Meaning
Channel deactivated or no load voltage L+
Channel activated and no channel diagnostics
Channel activated and channel diagnostics
Not permitted (error)
Analog input module AI 2xSG 4-/6-wire HS (7MH4134-6LB00-0DA0)
Manual, 09/2018, A5E41867508A-AB