5 Application examples
5.1 Single-channel controlled stop application (cat. 3, SIL 3, PL e) with error prevention
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EMS2… Electronic motor starter
10/19 MN034003EN
www.eaton.com
5.1 Single-channel controlled stop application (cat. 3, SIL 3, PL e) with error prevention
With a higher-level safety relay combination within a closed control cabinet
(
Figure 18: Single-channel controlled stop application with error prevention
(disconnect “Ground E“)
Motor starter EMS2-ROS… is used in conjunction with an ESR5-series
safety relay. The mutual reference point of the control inputs (terminal E) is
switched via the 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.
L1
L2
L3
N
PE
GND
ESR5-NO-21-24 V AC-DC
24 V DC
F1
3/
L2
1/
L1
E
R
L
5/
L3
2/
T1
4/
T2
6/
T3
95 96 98
M
3 ~
W1
V1
U1
MAN
RES
AUT
S2
S2
A1
S11 S12 S21 S22
13
23
31
A2
S33 S34
14
24
32
S3
GND
A
2
A
1
24 V DC
EMS2-ROS-…