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Installation
Block Diagram and Terminals
The following drawings present the block diagram and the terminals with their designations in the
removable terminal blocks.
A1
A2
AC/DC
DC
Power
Supply
B2
Terminal Designation
A1, A2
Y1
Y2
S11, S21
S12, S22
B2
52
S11 S12
Y1
Y2
DC+ CH+
DC+ CH+
Input
Start
Input
DC+ CH+
S21 S22
Z1
13
23
33
K1
K2
14
24
34
Explanation
Power supply
Control output (DC+) of start input
Input channel (CH+) of start input
Control outputs (DC+) of safety-related inputs
Input channels (CH+) of safety-related inputs
Terminal for common reference potential for 24 VDC
signals. The power supplies of the connected
equipment must have a common reference potential
to be connected to this terminal.
HR9Z-B2192 8/2020
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