User Manual

7
Copyright 2009 Unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of Unitech Electronics Co., Ltd.
Terminal Block Pin Assignment
Pin Name Description
1 (N/A) (N/A)
2 (N/A) (N/A)
3 D1+ Input Anode (+)
4 D1- Input Cathode (-)
5 RS485+ RS485, Positive
6 RS485- RS485, Negative
7 R1-C Common
8 R1-NO Normal Open
9 R1-NC Normal Close
10 (N/A) (N/A)
11 12 Vin DC IN 12V
12 GND GND
Relay Output
RL1-CTRLHigh
R1 (C & NO Linked)
RL1-CTRLLow
R1 (C & NC Linked)
Digit Input
D1+ and D1- are the positive and negative terminals of the external power
input.
D1 = High Digit input1 = High
D1 = Low Digit input1 = Low