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FTD110DB-XXR3 Series Installation & Operation Manual

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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

RS422/485 (4-Wire)

IN(+)

IN(-)

OUT(+)

OUT(-)

N/A

RS485 (2-Wire)

IN/OUT (+)

IN/OUT (-)

N/A

RS232

N/A

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(+)

TX(+)

TX(-)

2 IN(-)

TX(-)

RX(+)

3 OUT(+)

RX(+)

RX(-)

4 OUT(-)

RX(-)

5 N/A

6 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(+)

TX/RX(+)

TX/RX(-)

2 IN/OUT(-)

TX/RX(-)

3 N/A

4 N/A

5 N/A

6 N/A

7 N/A

Fig. 4.3.2 Connector Pin Assignments for 2-wire RS485 data format at Data port.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16

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