7 Application examples
12
ESR5-NO-21-24VAC-DC
12/19 MN049007EN
www.eaton.com
7.2 Two-channel safety door monitoring
•
Automatic start
•
Cross circuiting detection
•
Monitoring of external contactors
•
Suitable up to category
4, PL
e (EN
ISO
13849-1), SILCL
3 (EN
62061)
Figure 5: Two-channel safety door monitoring
K3
K4
M
A1
23
13
31
A2
24
14
32
ESR5-NO-21-24VAC-DC
M
(N )
(L1)
L+
K4
K3
K4
K3
B1
B2
13
21
14
22
S33 S34
( )
(+)
(+)
( )
( ) (GND)
S11 S12
S21 S22
open
closed
Safety door
