4-1
Section
Controller
49
4-1-6 Connection of the RS-232C Interface (V700-CD1D-V3 Only)
Signal name
Symbol
Signal direction
Pin number
Input
Output
Maintenance
ground
GR
---
---
6 Shield
Signal ground
or common
retrace line
SG
---
---
5
Send data
SD
---
OK
3
Receive data
RD
OK
---
2
Request send
RS
---
OK
7
Clear to send
CS
OK
---
8
Connector Pin Arrangement
when Viewed from the Controller
Controller
Host computer
6 Shield
Shield wire
The diagram on the left-hand side indicates that the
shield wire is grounded on the Controller side.
Note
1. Ground the shield wire on either the Controller side or the host computer
side. (In the example above, the shield wire is grounded at the Controller.)
2. Internally short-circuit pins 7 (RS) and 8 (CS).
Connection to Host through IBM PC/AT or Compatible Computer, 9-pin Port
Controller
9-pin male
Connecting device
IBM PC/AT or compatible
Cables with connectors
9-pin female
6 Shield
Shielded wire
Connector Pin Arrangement
when Viewed from the Controller
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