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4 Electrical Installation
4.1 Cable Connections
The supplied USB cable can be connected to the side of the electronics box.
The device can be operated directly via the Ratio Connect software or the
IRmobile App.
For the electrical installation of further interfaces and when using the in-
/outputs please open at first the cover of the electronic box (4 screws). Below
the display are the screw terminals for the cable connection.
Designation
+8..30 VDC
Power supply
Opened electronic box with terminal connections
GND
Ground (0 V) of power supply
GND
Ground (0 V) of in- and outputs
I/O 1
I/O pin 1 (digital In-/ Output or analog input)
I/O 2
I/O pin 2 (digital In-/ Output or analog input)
I/O 3
I/O pin 3 (digital In-/ Output or analog input)
COM
Ground of OUT
OUT 1
Analog current output 1
OUT 2
Analog current output 2
