Connecting The Sensors; Housing Dimensions - Wenglor SR4B3B01S Notice D'instructions

4.1. Connecting the Sensors

19
Function
Pin
A1 +24 V DC
A2 0 V DC
S11-S12 Input Channel 1 (+)
S21-S22 Input Channel 2 (+)
S21-S22 Input Channel 2 ( – ) with
Wire Breakage Detection
Safety Enabling Circuit 1
13-14
Safety Enabling Circuit 2
23-24
Safety Enabling Circuit 3
33-34
Auxiliary Contact
41-42
S12-X2 Feedback Circuit/Reset
S12-X3 Feedback Circuit/Autostart

4.2. Housing Dimensions

In/
Out
In
In
In
Out
Out
Out
Out
21