10 Application examples
ESR5-NV3-30
12/19 MN049010EN
www.eaton.com
23
10.2 Two-channel safety door monitoring with dropout delayed contacts and automatic reset
(with cross-circuit detection)
•
Two-channel safety door monitoring with two position switches
and controlled stop
•
Cross-circuit detection/ground fault detection
•
Automatic reset (A1, S35)
•
Feedback of contactor contacts K5 and K6 at S35
•
Stop category 1
•
Monitoring of external contactors
•
Safety level up to PL c (EN ISO 13849-1) and SIL 1 (EN 62061)
Figure 17:Two-channel safety door monitoring with dropout delayed contacts
and automatic reset
a
Variable frequency drive
S11 S12
S21 S22
13
23
37
14
24
38
47
48
( )
< 0.1
0.5
1
3
5
10
20
30
A1
A2
S34
ESR5-NV3-30
S35
(
)
(
)
K5
M
①
L1 L2 L3
K5
K6
K5
K6
M
(N)
(L1)
L+
B1
B2
13
21
14
22
( )
open
closed
Safety door
Quick Stop
(Clock)
(Clock)
Brake
Summary of Contents for 118705
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