Wiring Diagram
Original instructions
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Introduction
The actuators are connected using the 20-point terminal block.
Illustration
The terminal block connection, the sensors, and the actuators wiring are as follows. 
Ux
+ pole input for channel x 
COMx
- pole input for channel x 
U/IOx :
+ pole output for channel x 
COMOx
- pole output for channel x 
*
The current loop is self-powered by the output and does not request any external supply.