Omron V640-HS61, Руководство пользователя, Страница: 42 / 174

40
SE
CTION 2
Con
n
ec
tions
a
nd Wiring
CIDRW System
User’s Manual
SECTION 2
Installation and Connections/Wiring
 RS-232C Port
The method for connecting a CIDRW Controller or host device via the RS-232C port is explained here.
• Connector
The RS-232C port on the Amplifier Unit is a D-SUB 9-pin connector (with #4-40 lock screws). The pin
arrangement is shown below.
Pin No. Signal name Symbol Signal direction Remarks
1 — NC — Not connected
2 Receive data RD Input
3 Send data SD Output
4 — NC — Not connected
5 Signal ground SG —
6 — NC — Not connected
7 Request send RS Output Always ON during normal operation
8 Send enable CS Input
9 — NC — Not connected
Host
To ID port
To the RS-232C port
Amplifier Unit
To the RS-232C port
To the RS-232C port
CIDRW Controller
Amplifier Unit
1 2 3
6 7 8 9
4 5
The connector rim has electrical continuity with the GR (frame
ground) terminal in the dedicated power supply connector.