Siemens SIMATIC ET 200AL System Manual page 406

Counting
4.1 Configuration method 2xCount
4.1.3 Interrupts/diagnostic alarms
4.1.3.1 Status and error displays
LED displays
The figure below shows the LED displays (status and error displays) of the digital input
module / digital output module DIQ 16x24VDC/0.5A 8xM12.
①
②
③
Figure 4-5
46
Diagnostic status (DIAG)
Channel status (0 to 15)
Load voltage 2L+ (PWR)
LED displays
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
(red/green)
(green)
(green)
Manual, 09/2017, A5E38688112-AB