AMX NI-3000 Network Card User Manual


 
Programming
116
NetLinx Integrated Controllers
RS-232/422/485 Send_Commands (Cont.)
HSON
Enables RTS (ready-to-send)
and CTS (clear-to-send)
hardware handshaking.
Syntax:
SEND_COMMAND <DEV>,'HSON'
Example:
SEND_COMMAND RS232_1,'HSON'
Enables hardware handshaking on the RS232_1 device.
RXCLR
Clears all characters in the
receive buffer waiting to be
sent to the Master Card.
Syntax:
SEND_COMMAND <DEV>,'RXCLR'
Example:
SEND_COMMAND RS232_1,'RXCLR'
Clears all characters in the RS232_1 device's receive buffer waiting to be sent
to the Master Card.
RXOFF
Stops transmitting received
characters to the Master Card
(default).
Syntax:
SEND_COMMAND <DEV>,'RXOFF'
Example:
SEND_COMMAND RS232_1,'RXOFF'
Stops the RS232_1 device from transmitting received characters to the Master
Card.
RXON
Starts transmitting received
characters to the Master
Card.
This command is sent automatically when issuing a CREATE_BUFFER
Send_Command.
Syntax:
SEND_COMMAND <DEV>,'RXON'
Example:
SEND_COMMAND RS232_1,'RXON'
Sets the RS232_1 device to transmit received characters to the Master Card.
SET BAUD
Sets the RS-232/422/485
port's communication
parameters.
Syntax:
SEND_COMMAND <DEV>,'SET BAUD
(Baud),(Parity),(Data),(Stop) (485 DISABLE/
ENABLE)'
Variables:
Baud = 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 (factory set
default), 57600, 76800, 115200
Parity = N (none), O (odd), E (even), M (mark), S (space)
Data = 7 or 8 data bits
Stop = 1 or 2 stop bits
485 Disable = Disables RS-485 mode and enables RS-422.
485 Enable = Enables RS-485 mode and disables RS-422.
Example:
SEND_COMMAND RS232_1,'SET BAUD 9600,N,8,1 485
ENABLE'
Sets the RS232_1 port's communication parameters to 9,600 baud, no parity, 8
data bits, 1 stop bit, and enables RS-485 mode.
TSET BAUD
Temporarily sets the RS-232/
422/485 port's
communication parameters.
Syntax:
SEND_COMMAND <DEV>,'TSET BAUD
(Baud),(Parity),(Data), (Stop) (485 DISABLE/
ENABLE)'
TSET BAUD works the same as SET BAUD, except that the changes are not
permanent, and the previous values will be restored if the power is cycled on
the device.