Siemens SIMATIC S7-1200 - Page 1497

Technical specifications
A.12 Technology modules
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1497
LED port status
Valid for IO-Link port which is in IO-Link port mode.
COM/1 ... COM/4
Meaning
Off
Port deactivated
Flashes
Port activated, device not connected or
Port is not connected to the configured device
On
Port activated, device connected
LED channel status
Valid for IO-Link port which is in DI/Q mode.
DI/Q1 ... DI/Q4
Meaning
Off
Process signal = 0
On
Process signal = 1