IDEC FT1A Series User Manual page 135

Expansion Communication Port Wiring Diagram
The mini-DIN connector pin assignments and signal names are as follows.
RS232C (FT1A-PC1)
Pin Number
Cover
1
2
3
4
5
6
7
8
RS485 (FT1A-PC2)
Pin Number
Cover
1
2
3
4
5
6
7
8
Note: Do not connect cables to NC. There is a risk of malfunction or failure.
Signal Name
Port 2 Port 3
RS (RTS) RS (RTS)
ER (DTR) ER (DTR)
SD (TXD) SD (TXD)
RD (RXD) RD (RXD)
DR (DSR) DR (DSR)
SG SG
SG SG
NC NC
Signal Name
Port 2 Port 3
A A
B B
NC NC
SG SG
NC NC
S AXIS P
MART RO
Cable Color
Shield
Black
Yellow
Blue
Green
Brown
Gray
Red
White
Cable Color
Shield
Black
Yellow
Blue
Green
Brown
Gray
Red
White
/L U ' M FT9Y-B1378
ITE SER S ANUAL
5: S
PECIAL
Peripheral Device
Signal Direction
(D-SUB)
—
→
→
→
←
←
None
Peripheral Device
Signal Direction
(D-SUB)
—
←→
←→
—
None
F
UNCTIONS
RS232C
(DR)
(CTS)
RD
SD
RS
SG
SG
NC
RS485
A
B
NC
SG
NC
5-47