14 Application examples
20
ESR5-NO-41-24VAC-DC
12/19 MN049009EN
www.eaton.com
14.2 Single-channel emergency stop monitoring
•
Manual start
•
Monitoring of external contactors
•
Suitable up to category
1, PL c (EN
ISO
13849-1), SIL 1
(EN
62061)
Figure 12:Single-channel emergency stop monitoring / manual start
a
S1 - Emergency stop button
S2 - Reset button
K3, K4 - Contactors
￫
Contactor K4 is not essential in order to achieve category
1.
ESR5-NO-41-24VAC-DC
K3
K4
M
N
0 V
S11
S12
S1
L
24 V DC
13
23
33
43
34
44
14
24
K3
K4
A2
S33 S34
Reset
A1
K4
K3
52
51
S2
①
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