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4 Basic circuit diagram
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ESR5-NO-31-230VAC
12/19 MN049012EN
www.eaton.com
4 Basic circuit diagram
Figure 2: Block diagram
Designation
Explanation
A1/A2
Safety relay input voltage
S11/S12
Safety sensor/switch 1 input circuit
S21/S22
Safety sensor/switch 2 input circuit
S34
Start circuit
13/14
Undelayed enabling current path 1
23/24
Undelayed enabling current path 2
33/34
Undelayed enabling current path
3
41/42
Signaling current path
Logic
IN 1/2
A1
S11 S12
S34
13
23
33
41
K1
K2
A2
S21
S22
14
24
34
42
U Logic
Power
AC/DC