32
SECTION 2
Connections and 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 of the Amplifier Unit is a D-SUB, 9-pin connector. 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
123
6789
45
The connector rim has electrical continuity with the GR (frame
ground) terminal in the dedicated power supply connector.
To Next Page
Loading...
