Lenze ELCAMWIxxx4SNNPSNN (LCU 121) - Handbuch (Seite 56)

Electrical installation
Basic circuit diagram
4
l
56 EDKLCMW3024−SPS DE/EN 7.0
4.2 Basic circuit diagram
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
FE
X60
FE
FE
PROFIsafe
PROFIsafe
X32
X31
1 2 3 b
μC
X11
~
24 V DC
+ -
N
K1
lcu121_001
F1 Cable protection (observe cable protection standards for fuse dimensioning!)
K1 Main contactor
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
Th PTC thermistor (PTC) or thermal contact (NC contact)
STO Safe torque off by means of PROFIsafe