Siemens SIMATIC ET 200AL - Interrupts and Alarms (4 xCount); LED Displays for Status and Errors (4 xCount)

Counting
4.2 Configuration method 4xCount
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
66 Manual, 03/2019, A5E38688112-AC
4.2.3 Interrupts/diagnostic alarms
4.2.3.1 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
Diagnostic status (DIAG)
(red/green)
②
Channel status (0 to 15)
(green)
③
Load voltage 2L+ (PWR)
(green)
Figure 4-11 LED displays