35
CIDRW System
User’s Manual
SECTION 2
Connections and Wiring
SECTION 2
Installation and Connections/Wiring
■ 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.
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.
To the RS-485 port
Amplifier Unit
To the RS-232C port
CIDRW Controller
+
Connector
Name Function
- Connect to the minus line of another Amplifier Unit.
+ Connect to the plus line of another Amplifier Unit.
-