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installation and external connection
RS-422 Communication Port Connection (Multiple Units)
The RS-422/RS-232 converter is required to establish RS-422 communications.
RS-422/232
Converter
RxD
TxD
Power
T+ T- R+ R-
- Follow the guidelines below to make connection between devices.
1.
Connect TX(-) of one device to TX(-) of other one.
2.
Connect TX(+) of one device to TX(+) of other one.
3.
Connect RX(-) of one device to RX(-) of other one.
4.
Connect RX(+) of one device to RX(+) of other one
5.
Set a unique board ID for each product.
- Follow the guidelines below to make connection between the terminal device and the RS-422 9-pin
connector of the RS-422/RS-232 converter.
1.
Connect RS-422 TX(-) to the RX(-) port of the converter.
2.
Connect RS-422 TX(+) to the RX(+) port of the converter.
3.
Connect RS-422 RX(-) to the TX(-) port of the converter.
4.
Connect RS-422 RX(+) to the TX(+) port of the converter.
5.
Connect the 9-pin connector of the RS-422/RS-232 converter to the COM port of the computer.
6.
Install and launch the application (SAMS).
20_
installation and external connection
RS-232C
MAX. 1200m
HOST
TX-
TX+
RX-
RX+
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