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5.1 Single-channel controlled stop application (cat. 3, SIL 3, PL e) with error prevention
24 V DC
F1
1/
3/
5/
L1
L2
L3
EMS2-ROS-...
2/
4/
6/
T1
T2
T3
95 96 98
U1
V1
W1
M
3 ~
Figure 19: Single-channel controlled stop application with safety relay with error prevention
Motor starter EMS2-ROS... is used in conjunction with an ESR5-series
safety relay. The preset for the control commands for the operating direction
takes place directly at 24 V DC on the L or R terminal. In contrast to the previ-
ous example, in the case of a controlled stop, the supply voltage on the ter-
minals A1 and A2 is switched off by the safety relay.
Please also refer to Page 33 for more information about the lifespan of
devices.
￫
EMS2... Electronic motor starter 10/19 MN034003EN www.eaton.com
A
A
E
R
L
2
1
24 V DC
(disconnect U
)
s
Motor starter and safety relay should be located in the same
control panel.
5 Application examples
S2
S2
A1
S11 S12 S21 S22
ESR5-NO-21-24 V AC-DC
A2
S33 S34
S3
13
23
31
14
24
32
35
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