Product overview
KL6771
10
Version: 2.0.0
2.3
Diagnostic LEDs
The LEDs indicate the operating state of the KL6771.
Fig. 3: LEDs
Meaning of the LED displays
LED
Color Chan-
nel
State and significance
On
off
flashes
K-Bus Run
green 1
Lit, either weakly or strongly: K-bus
communication OK
No K-Bus
communication
K-Bus communication
MP-Bus Error red
• Enable input is set
• PLC program has not started,
or MP-Bus function block is
not accessing the KL6771
No error
Error detected
Send
green
Toggles when an MP telegram is
sent
-
Data is being sent
Receive
green
Toggles when an MP telegram is
received
-
Data is being received
