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5 Application examples
5.1 Dual-channel EMERGENCY STOP monitoring
•
Automatic start
•
Cross-circuit detection
•
Monitoring of external, interlocked opposing contactors
•
Suitable up to category 4, PL e (EN ISO 13849-1), SIL 3 (EN IEC 62061)
￫
Cross-faults in the cable routing can be reliably prevented in the
same electrical installation space or with mechanically protected
cable routing.
24V DC
S1
A1
S
11
S
12
( ) (GND)
(+)
ESR5-NO-31-24VDC
( + )
A2
S33
0V
Figure 18:
Dual-channel EMERGENCY STOP monitoring
a S1 – emergency-stop pushbutton
b K3, K4 - interlocked opposing contactors
ESR5-NO-31-24VDC 11/23 MN049018EN Eaton.com
L
33
S21 S22
13
23
( )
( )
34
S34
14
24
K3
K3
K4
K4
N
5 Application examples
41
K3
42
K4
M
32
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