Rs-485 Port - Omron V640 User Manual

■ RS-485 Port

The method for connection to the RS-485 port of another Amplifier Unit when multiple CIDRW Heads
are used is explained here.
To the RS-485 port
To the RS-232C port
The maximum total length of RS-485 cable is 50 m.
• Connector
Prepare a V640-A90 (can be purchased as an accessory) as the connector for the RS-485 port on the
Amplifier Unit.
Refer to page 31.
The pin arrangement is shown below.
+
-
Connector
Amplifier Unit
Name
-
+
Installation and Connections/Wiring
CIDRW Controller
Function
Connect to the minus line of another Amplifier Unit.
Connect to the plus line of another Amplifier Unit.
SECTION 2
CIDRW System
35
User's Manual