Controller power supply LED
Green: supply voltage > 18 V
AC
Red: at least one current path < 18 V
PWR
SF
BF
MT
RUN/STOP
L/A X1
L/A X2
3.1 Green: input current path supply voltage > 18 V DC
3.2 Red: input current path supply voltage < 18 V DC
3.4 Red: Internal fuse defective
4.1 Green: Output current path supply voltage > 18 V DC
Service
X3
4.2 Red: Output current path supply voltage < 18 V DC
4.4 Red: Internal fuse defective
LED indicators UC20-WL2000-AC, for error messages, see Chapter 13
2604080000/08/08.2023
5 Detail description of controllers | UC20-WL2000-AC
TD+ 1
TD– 2
RD+ 3
RD– 6
TD+ 1
TD– 2
RD+ 3
RD– 6
Connection diagram UC20-WL2000-AC
Risk of material damage!
In the case of a maximum power supply > 3 A and a maxi-
mum temperature > +55°C, all four contacts must be con-
nected with 1.5 mm² wiring!
Manual u-control
WL-AC
X1
X2
24 V DC IN
24 V DC IN
GND IN
GND IN
24 V DC OUT
24 V DC OUT
GND OUT
GND OUT
ATTENTION
23
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