4 Basic circuit diagram
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ESR5-NO-21-24VAC-DC
12/19 MN049007EN
www.eaton.com
4 Basic circuit diagram
Figure 2: Block diagram
Designation
Explanation
A1/A2
Safety relay input voltage
S11/S12
Input circuit 1
S21/S22
Input circuit 2
S33/S34
Start circuit
13/14
Undelayed enabling current path 1
23/24
Undelayed enabling current path 2
31/32
Signaling current path
Logic
IN 1/2
A1
S11S33 S34S12
13
23
31
K1
K2
A2
S21
S22
14
24
32
24VDC
24V AC/DC
Power