Omron V640-HAM11-V3 User Manual page 42

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.
To the RS-232C port
• Connector
The RS-232C port of the Amplifier Unit is a D-SUB, 9-pin connector. The pin arrangement is shown
below.
Pin No. Signal name
1 —
2 Receive data
3 Send data
4 —
5 Signal ground
6 —
7 Request send
8 Send enable
9 —
CIDRW System
40
User's Manual
Amplifier Unit
Amplifier Unit
To the RS-232C port
Symbol Signal direction
NC —
RD Input
SD Output
NC —
SG —
NC —
RS Output
CS Input
NC —
CIDRW Controller
Host
1 2 3 4 5
The connector rim has electrical continuity with the GR (frame
6 7 8 9
ground) terminal in the dedicated power supply connector.
Remarks
Not connected
Not connected
Not connected
Always ON during normal operation
Not connected
To ID port
To the RS-232C port