Omron V640-HS61, Руководство пользователя, Страница: 44 / 174

42
SE
CTION 2
Con
n
ec
tions
a
nd Wiring
CIDRW System
User’s Manual
SECTION 2
Installation and Connections/Wiring
• Wiring for Connection to a PC/AT Computer (9-pin Connector)
The cable length should be no greater than 15 m.
RS signal control method at the host device
In a 1:N connection, the RS signals generated from the host device by normal control must be input as CS signals. Turn
the RS signals OFF within 15 ms after the completion of data transmission. Correct communications will not be possible
without this control.
Amplifier Unit
V640-HAM11-V4
V640-HAM11-L-V2
D-SUB, 9-pin
Socket type
Metric screw, M2.6
Name Pin No.
NC 1
RD 2
SD 3
NC 4
SG 5
NC 6
RS 7
CS 8
NC 9
PC/AT Computer
D-SUB, 9-pin
Socket type
#4-40
Pin No. Name
1 NC
2 RD
3 SD
4 NC
5 SG
6 NC
7 RS
8 CS
9 NC
Ground shielded wires either at the CIDRW Controller side or at the
PC/AT computer side.
SD at host device
RS at host device
ON only during data transmission from the host device
Within 15 ms