2B Technologies 106 Installation Manual - Page 12
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Table 1. 8-Position Terminal Block Connections: General I/O.
Pin #
Description
1
RS-232 transmitted Data (TXD)
2
RS-232 received Data (RXD)
3
RS-232 signal ground (GND)
4
Analog output, 4-20 mADC
5
Analog output ground
6
Analog output, 0-5 VDC
7
open
8
open
Table 2. 12-Position Terminal Block Connections: Relays.
Pin #
Description
1
Relay 1, open on alarm condition
2
Relay 1, ground
3
Relay 1, closed on alarm condition
4
Relay 2, open on alarm condition
5
Relay 2, ground
6
Relay 2, closed on alarm condition
7
Relay 3, open on alarm condition
8
Relay 3, ground
9
Relay 3, closed on alarm condition
10
Relay 4, open on alarm condition
11
Relay 4, ground
12
Relay 4, closed on alarm condition
Wire Color
Yellow
Brown
Black
Green
Black
White
Wire Color
Red
Black
Green
Red
Black
Blue
Red
Black
White
Red
Black
Brown
106 Industrial Installation Manual Rev. A-1
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