5 Application examples
5.1 Single-channel controlled stop application (cat. 3, SIL 3, PL e) with error prevention
34 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, ￫ figure 19).
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 ~
W1V1U1
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
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