Diagnostic alarms
5.1 Status and error displays
Communication module IO-Link Master CM 8xIO-Link (6ES7547-1JF00-0AB0)
28
Manual, 03/2019, A5E45488510-AA
Cn LEDs
Valid for IO-Link port in port status.
Table 5- 3
Status displays of LEDs C1 to C8
C1 to C8
Meaning
Off
The port is disabled or in standard DI mode.
Flashes (green)
The port is in IO-Link mode, the device is not connected or
the port is not connected with the configured device.
On (green)
Port in IO-Link mode, device not connected
On (red)
•
Wire break or short-circuit to ground
•
Supply voltage L+ missing or too low
•
IO-Link device error
Qn LEDs
Valid for the IO-Link port that is in standard DI mode.
Table 5- 4
Status displays of LEDs Q1 to Q8
Q1 to Q8
Meaning
Off
Process signal = 0 in standard DI mode, deactivated or in IO-Link
mode
On (green)
Process signal = 1 in standard DI mode
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