Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 26)

Electrical installation
Basic circuit diagram
ELCAMZIxxx4SNNPSNN motor starter
5

26 EDSLCMX3024-SPS EN 5.0
Basic circuit diagram for reversing operation
M
3~
- +
~ ~ S1 S2
1 2 3 4 5 6 1 2 3
Th
BRK1
X21
c a
U1
V1
W1
1 2 3 a
X10
S0
STO
BS1
PE
4 * 2.5 mm 2
PE
PE
F1
16 A
K2
3/PE AC 400 V
PE
PE
L3
L2
L1
M
3~
- +
~ ~ S1 S2
1 2 3 4 5 6 1 2 3
Th
BRK2
a
U1
V1
W1
BS2
FE
PE
PE
X60
FE
FE
PROFIsafe
PROFIsafe
PE
X32
X31
X22
1 2 3 b
μC
X11
~
24 V DC
+ -
N
c
K10
K1
lcu122_010
F1 Cable protection
Observe cable protection standards for fuse dimensioning!
K1 Main contactor
K10 Contactor relay: Changeover between normal operation and reversing operation
K2 Contactor for 24 V supply
FE Functional earth for compliance with EMC conditions, prevents compensating currents
via the PROFIBUS cable shield
S0 Service switch
BS1 Brake control, motor 1
BRK1 Spring-operated brake, motor 1
BS2 Brake control, motor 2
BRK2 Spring-operated brake, motor 2
Th PTC thermistor (PTC) or thermal contact (NC contact)
STO Safe torque off via PROFIsafe