DOC-0017-04-EN: AC20 Series - Hardware Installation Manual
DOC-0017-04-EN-A 22.03.2023
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GPIO:
Configuration Example:
AI3
±10V Variable Input (from potentiometer)
AI4
0-10V Variable Input (from potentiometer)
AO4
0-10V Variable Output (to voltmeter)
DX11
+24V Output (to relay coil)
Terminal Block Wire Range
The control board terminal wire range is as follows:
Terminal Wire Range
Min
Max
0.2mm
2
(24 AWG)
1.0mm
2
(18 AWG)
Wire sizes for Europe should be chosen with respect to the operating conditions and your local National
Electrical Safety Installation Requirements. Local wiring regulations always take precedence.
Recommended Wire & Ferrule Sizes
The following wire sizes and ferrules are recommended for use with the control board terminal blocks:
Wire Type
Maximum
Wire Size
Ferrule Details
Bare Wire / Ferrule
Length
Stranded
1x 1.0mm
2
(1x 18 AWG)
None Fitted
5mm
(0.20”)
2x 0.5mm
2
(2x 21 AWG)
None Fitted
Stranded
1x 0.75mm
2
(1x 19 AWG)
White Collar,
1.5mm OD
6mm
(0.24”)
1x 0.5mm
2
(1x 21AWG)
Orange Collar, 1.3mm
OD
Terminal Block Tightening Torque
The control board terminals should be screwed to a maximum torque as specified below:
Screw Head
Terminal Tightening Torque
M2, Flat
0.19 Nm
(1.7 Lb-in)
V
+
24V