Udio, Ontact, Losure ports assignments and pin connections – OT Systems FT040DB User Manual
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FT040DB Series Installation & Operation Manual
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4.2 Data, Audio & Contact Closure ports assignments and pin connections
4.2.1 Data connections
For data input and output connections, please note the following pin assignment:
Pin Assignment
(Screw Terminal
Block)
Data format
1
2
3
4
5
6
7
RS422/485 (4-Wire)
IN(+)
IN(-)
OUT(+)
OUT(-)
N/A
N/A
N/A
RS485 (2-Wire)
IN/OUT (+) IN/OUT (-)
N/A
N/A
N/A
N/A
N/A
RS232
N/A
N/A
N/A
N/A
IN
OUT
Sig. COM
4-Wire RS422/485 Full Duplex Data communication connection diagram:
Transmitter End
Receiver End
User’s Equipment
DATA PORT
(7-PIN)
DATA PORT
(7-PIN)
User’s Equipment
TX(+)
1 IN(+)
1 IN(+)
TX(+)
TX(-)
2 IN(-)
2 IN(-)
TX(-)
RX(+)
3 OUT(+)
3 OUT(+)
RX(+)
RX(-)
4 OUT(-)
4 OUT(-)
RX(-)
5 N/A
5 N/A
6 N/A
6 N/A
7 N/A
7 N/A
Fig. 4.4.1 Connector Pin Assignments for 4-wire RS422/485 data format at Data port
2-Wire RS485 Half Duplex Data communication connection diagram:
Transmitter End
Receiver End
User’s Equipment
DATA PORT
(7-PIN)
DATA PORT
(7-PIN)
User’s Equipment
TX/RX(+)
1 IN/OUT(+)
1 IN/OUT(+)
TX/RX(+)
TX/RX(-)
2 IN/OUT(-)
2 IN/OUT(-)
TX/RX(-)
3 N/A
3 N/A
4 N/A
4 N/A
5 N/A
5 N/A
6 N/A
6 N/A
7 N/A
7 N/A
Fig. 4.4.2 Connector Pin Assignments for 2-wire RS485 data format at Data port.