Copyright 2010 Unitech Electronics Co., Ltd.
All rights reserved. Unitech is a registered trademark of Unitech Electronics Co., Ltd.
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J3 Terminal Block Port
Pin
Name
Description
1
R1-C
Relay 1 Common
2
R1-NO
Relay 1 Normal Open
3
R1-NC
Relay 1 Normal Close
4
R2-C
Relay 2 Common
5
R2-NO
Relay 2 Normal Open
6
R2-NC
Relay 2 Normal Close
7
R3-C
Relay 3 Common
8
R3-NO
Relay 3 Normal Open
9
R3-NC
Relay 3 Normal Close
10 R4-C
Relay 4 Common
11
R4-NO
Relay 4 Normal Open
12 R4-NC
Relay 4 Normal Close
Relay Output
RL1-CTRL
→
High
R1 (C & NO Linked)
RL1-CTRL
→
Low
R1 (C & NC Linked)
RL2-CTRL
→
High
R2 (C & NO Linked)
RL2-CTRL
→
Low
R2 (C & NC Linked)
RL3-CTRL
→
High
R3 (C & NO Linked)
RL3-CTRL
→
Low
R3 (C & NC Linked)
RL4-CTRL
→
High
R4 (C & NO Linked)
RL4-CTRL
→
Low
R4 (C & NC Linked)
Digit Input
D1+ and D1- are the positive and negative nodes of the external signal inputs.
D1+ = 3V ~ 12V,
D1- = GND
DIGIT-INPUT1 = High
D1+ = 0V ~ 2V,
D1- = GND
DIGIT-INPUT1 = Low
D2+ and D2- are the positive and negative nodes of the external signal inputs.
D2+ = 3V ~ 12V,
D2- = GND
DIGIT-INPUT2 = High
D2+ = 0V ~ 2V,
D2- = GND
DIGIT-INPUT2 = Low
