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Terminal Block Pin Assignment
Pin
Name
1
12V
2
GND
3
D1+
4
D1 -
5
D2+
6
D2 -
7
R1-C
8
R1-NC
9
R1-NO
10
R2-C
11
R2-NC
12
R2-NO
Relay Output
RL1-CTRL → High
RL1-CTRL → Low
RL2-CTRL → High
RL2-CTRL → Low
Digit Input
D1+ and D1- are the positive and negative nodes of the external power
input.
D1 = High
D1 = Low
D2+ and D2- are the positive and negative nodes of the external power
input.
D2 = High
D2 = Low
Copyright 2008 Unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of Unitech Electronics Co., Ltd.
Description
DC Out, support +12V, 0.5A
GND
Photo-In Anode(-)
Photo-In Cathode(+)
Photo- In Anode(-)
Photo-In Cathode(+)
Common
Normal Close
Normal Open
Common
Normal Close
Normal Open
R1 (C & NC Linked)
R1 (C & NO Linked)
R2 (C & NC Linked)
R2 (C & NO Linked)
Digit input1 = High
Digit input1 = Low
Digit input2 = High
Digit input2 = Low
6