Distech Controls ECB-VAV-N - Page 6

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Sensor Input Type Input Connection Diagram
£ 0 to 20mA input used with a 3-wire, 0 to 20mA sensor powered by an external 24
AC/DC power supply.
AC
+
Common
0-20mA
Sensor
UIx
COM
To Analog-
To-Digital
Converter
24VAC
249Ω ¼W
£ 0 to 20mA input used with a sensor powered by its own power source.
+
-
0-20mA
Sensor
UIx
COM
To Analog-
To-Digital
Converter
249Ω ¼W
£ Voltage input used with a 3-wire 0 to 10VDC or 0 to 5VDC sensor powered by an
external 24 AC/DC power supply.
AC
+
Common
0-10V
Sensor
UIx
COM
To Analog-
To-Digital
Converter
24VAC
£ Voltage input used with a 0 to 10VDC or 0 to 5VDC sensor powered by its own
power source.
+
-
0-10V
Sensor
UIx
COM
To Analog-
To-Digital
Converter