Beckhoff KL403 Series Documentation page 23

LED description KL4031, KL4032
LED Color
Run1 LED green
LED Run2 (KL4032 only)
KL403x
Description
On: Normal operation
Off: Watchdog timer overflow has occurred. If no process data is transmitted to the bus cou-
pler for 100 ms, the green LEDs go out. The output assumes a user-specified voltage
(see Feature register [} 38]).
Version: 4.1
Mounting and wiring
23