15 Application example - Two-channel safety door monitoring with dropout delayed contacts and manual
reset (with cross-circuit detection)
ESR5-NV3-300
12/19 MN049006EN
www.eaton.com
21
15 Application example - Two-channel safety door monitoring with dropout
delayed contacts and manual reset (with cross-circuit detection)
•
Two-channel safety door monitoring with two position switches
•
Cross-circuit detection/ground fault detection (S11, S12 only)
•
Manual reset (S33, S34)
•
Feedback of contactor contacts K5, K6, K7, K8 at Y1 and Y2
•
Switch-off delay at K7 and K8
•
Stop category 0, 1
•
Monitoring of external contactors
•
Safety level drive 1 PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
•
Safety level drive 2 PL d (EN ISO 13849-1) and SIL 2 (EN 62061)
Figure 14: Two-channel safety door monitoring with dropout delayed contacts
and manual reset
M
(N)
(L1)
L+
K5
K7
K6
K8
B1
B2
13
21
14
22
S2
K6
K5
K8
K7
A1
23
33
13
41
A2
S33 S34 S35
Y1
Y2
24
34
14
42
( )
( )
ESR5-NV3-300
S12
S10 S11
S21 S22
(+)
( )
( )
( )
(+)
(+)
(GND)
57
58
67
68
A B
ON
OFF
1
2
3
4
5
6
K5
K7
K6
K8
M
M
Reset
( )
open
closed
Safety door
Drive 1
Drive 2
Summary of Contents for 171858
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