Siemens SIMATIC ET 200AL - Page 572

Communication module CM 4xIO-Link 4xM12(6ES7147-5JD00-0BA0)
Manual, 10/2017, A5E32352322-AE
25
Diagnostics alarms
5
5.1
Status and error displays
LED displays
The following figure shows the LED display of the CM 4xIO-Link 4xM12 communication
module.
①
Diagnostics (DIAG)
(green/red)
②
Port status / IO-Link status (Cn)
(green)
③
Load voltage 2L+ (PWR)
(green)
④
Channel status in SIO mode (Qn)
(green)
Figure 5-1 LED displays
Meaning of the LEDs
The following tables set out the meaning of the status and error displays. Corrective
measures for diagnostics alarms can be found in the section Diagnostics alarms (Page 27).