Fuji Electric Monitouch V9 Series Connection Manual page 21

1. Overview
1-10
Wiring
DANGER
CN1
RS-232C connection
 Prepare a communication cable on your side. Twisted pairs of 0.3 mm sq. or above are recommended.
 The maximum length for wiring is 15 m.
* The maximum length varies depending on the connected device. Check the specifications for each device.
 Connect a shielded cable to either the V9 series or the connected device. The connection diagram shows the case where
the shielded cable is connected on the V9 series side. Connect the cable to the FG terminal on the backside of
MONITOUCH.
CN1
Dsub 9 (Male)
1
6
9
5
 If noise disturbs communications, establish connections between SD and SG and between RD and SG as pairs
respectively, and connect a shielded cable to both the V9 series and the connected device.
CN1
Dsub 9 (Male)
1
6
9
5
Be sure to turn off the power before connecting cables. Otherwise, electrical shock or damage may
occur.
Name No.
Shielded
FG
RD 2
SD 3
SG 5
RS 7
CS 8
Name No.
Shielded
FG
RD 2
SD 3
SG 5
RS 7
CS 8
RS-232C port of the
connected device
Send data
Receive data
SG
RS-232C port of the
connected device
FG
Send data
SG
SG
Receive data