Siemens ET 200SP Manual page 16

Interrupts/diagnostics alarms
5.1 Status and fault displays
DIAG LED
Table 5- 1
DIAG LED
Channel status LED
Table 5- 2
Channel status
PWR LED
Table 5- 3
PWR LED
16
Error display of the 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
Channel deactivated or activated and process signal = 0
Off
Channel activated and process signal = 1
On
Status display of the PWR LED
Meaning
No supply voltage L+
Off
Supply voltage L+ present
On
DQ 4x24..230VAC/2A ST digital output module (6ES7132-6FD00-0BB1)
Manual, 03/2015, A5E32043575-AB