Table of Contents
Advertisement
Connection of RS-232C Interface (V720-CD1D)
4-6
Connection of RS-232C Interface (V720-CD1D)
Controller
Shield
Connection to Host through IBM PC/AT or Compatible Computer, 9-pin Port
Signal name
Maintenance ground
Signal ground or common
retrace line
Send data
Receive data
Request to send
Clear to send
Host computer
Shielded wire
Note
1.Ground the shielded wire on either the Controller side or the above host
computer side.
2.Internally short-circuit pins 7 (RS) and 8 (CS).
Controller
9-pin male
Shield
Symbol
Input
GR
SG
SD
RD
RS
CS
Connector Pin Arrangement
when Viewed from the Controller
Connector Pin Arrangement
when Viewed from the Controller
connecting device
cables with connectors
shielded wire
Signal direction
Output
–––
–––
–––
–––
–––
OK
OK
–––
–––
OK
OK
–––
DOS personal computer
9-pin female
Section 4-6
Pin number
Shield
5
3
2
7
8
4-15
Advertisement
Table of Contents
