Communication port commands, 17 communication port commands – Argox PA-20 Basic Programming Manual User Manual
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3.17 Communication port commands
Purpose： To terminate communication and disable a specified COM
port.
Syntax： CLOSE_COM (N%)
Example： CLOSE_COM(1)
Description：
N% is an integer indicating which COM port is to be disabled
(now we only can choose 1).
Purpose： To enable a specified COM port and initialize
communication.
Syntax： OPEN_COM (N%)
Example： OPEN_COM(1)
Description：
N% is an integer variable indicating which COM port is to be
enabled (now we only can choose 1).
Purpose： To set parameters of a specified COM port.
Syntax： SET_COM(N%, Baudrate%, Parity%, Data%,
Handshake%)
Example： SET_COM(1, 1, 1, 2, 1)
Description： Several key arguments as below:
N%:
1: RS-232 (now we only can choose 1)
Baudrate%:
Baud rate
1: 115200 2-3: 57600
4: 38400 5: 19200
6: 9600 7-8: 4800
Parity%:
Parity
1:None 2:Odd
3:Even
Data%:
Data bits
1: 7 bits 2: 8 bits
Handshake%: Flow control
1: None
2: Auto Flow control