Siemens SIRIUS System Manual

3RW3 semiconductor motor control unit
SIRIUS System Manual
8-40
GWA 4NEB 430 0999-02b
Control of a motor with
an electromechanical
brake
An electromechanical brake with infeed from the main voltage (L1/L2/L3)
should not be connected directly to the output of the soft starter. An electro-
mechanical brake should be controlled by means of a separate contactor (K1
in the circuit diagram below):
Figure 8-24: Motor control with an electromechanical brake
Ue
I>> I>> I>>
M
3
k
U
V
W
K1
BR
BR2
Q1
L1
L2
L3
L1
L2
L3
T1
T2
T3
G1
F
L+
L -
A2
A1
IN
K1
13
14
23
24
ON
3RW30
BYPASSED
A1
A2
STO
AN
K1
Us

Siemens SIRIUS Specifications

General

Brand	Siemens
Model	SIRIUS
Category	Relays
Language	English