5 Application examples
33
ESR5-BWS-31-24VDC
11/23 MN049020EN Eaton.com
5 Application examples
5.1 Dual-channel light grid monitoring (shunted connection recognition by light grid)
OSSD1 OSSD2
Lichtgitter Typ 4
Sender
Empfänger
ESR5-BWS-31-24VDC
K4
K3
M
0 V
S11
S12
24 V DC
13
23
33
34
14
24
K3
K4
A2
S33
S34
S22
S35
A1
K4
K3
42
41
S2
0 V
0 V
24 V
•
Manual activation
•
Automatic activation with jumper at S33-S35
•
Suitable up to category 4, PL e (EN ISO 13849-1), SIL 3 (EN IEC 62061)
Figure 18:
Dual-channel light grid monitoring
Reset S2 - manual reset device
K3, K4 - interlocked opposing contactors
→
Contactor K4 is not absolutely necessary to achieve Category 1.