Ata port assignment and pin connections, 2 data port assignment and pin connections – OT Systems FTD110DB-XXR3 User Manual
Page 10
FTD110DB-XXR3 Series Installation & Operation Manual
10
4.2 Data port assignment and pin connections
Data ports assignments and pin connections are identical for Data1, Data2 and Data3.
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. 4.3.1 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. 4.3.2 Connector Pin Assignments for 2-wire RS485 data format at Data port.