Omron V640-HAM11 User Manual page 40

SECTION 2
Installation and Connections/Wiring
Host Connection Port
The method for connecting to a CIDRW Controller or host device via the RS-232C port is explained
here.
• Connector
The host device connection port on the Link Unit is a D-SUB, 9-pin connector. The pin arrangement is
shown below.
CIDRW System
38
User's Manual
Link Unit
To host device port
Link Unit
To host device port
CIDRW Controller
To ID port
Host
To the RS-232C port
The connector rim does not have electrical
continuity with the GR (frame ground) termi-
nal in the multi-connection port.