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External Control
Application
These specifications cover the communications control of the PlasmaSync 5000W by external equipment.
Connections
Connections are made as described below.
PlasmaSync 5000W
POWER/STANDBY
INPUT SELECT
1) Connector on the PlasmaSync 5000W side: EXTERNAL CONTROL connector.
Type of connector: D-Sub 9-pin male
No.
Pin Name
1
No Connection
2
RXD (Receive data)
3
TXD (Transmit data)
4
DTR (DTE side ready)
5
GND
6
DSR (DCE side ready)
7
RTS (Ready to send)
8
CTS (Clear to send)
9
No Connection
2) Connector on the external equipment side: Serial port (RS-232C) connector
See the specifications of the equipment that is to be connected for the type of connector and the pin assignment.
3) Wiring
Use a crossed (reverse) cable.
Wire the cable so that each pair of data lines cross between the two devices. These data line pairs are RXD (Receive
data) and TXD (Transmit data), DTR (DTE side ready) and DSR (DCE side ready), and RTS (Ready to send) and CTS
(Clear to send).
Communication Parameters
(1) Communication system
(2) Interface
(3) Baud rate
(4) Data length
(5) Parity
(6) Stop bit
(7) Communication code
VOLUME
Asynchronous
RS-232C
9600 bps
8 bits
Odd
1 bit
Hex
E – 38
External equipment
e.g., Personal computer
1
5
9
6
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