AMX NXI Dokumentacja Pobierz pdf (Strona 18)

Programming

NXI NetLinx Integrated Controller (No Master)

RS-232/422/485 Send_Commands (Cont.)

CHARDM Sets the delay time between transmitted characters in 1 millisecond increments.

Syntax:

SEND_COMMAND <DEV>,'CHARDM<Time>'

Variable:

Time: 0-255 in 1 millisecond increments

Example:

SEND_COMMAND RS232_1,'CHARDM10'

Sets a 10 mS delay between all transmitted characters.

CTSPSH Enables Pushes, Releases, and status information to be reported via channel 255.

If Clear To Send (CTS) is high, the channel is on.

Syntax:

SEND_COMMAND <DEV>,'CTSPSH'

Example:

SEND_COMMAND RS232_1,'CTSPSH'

Sets the RS232_1 port to detect changes on the CTS input.

CTSPSH OFF Disables Pushes, Releases, and status information to be reported via channel 255.

Turns CTSPSH off.

Syntax:

SEND_COMMAND <DEV>,'CTSPSH OFF'

Example:

SEND_COMMAND RS232_1,'CTSPSH OFF'

Turns off CTSPSH on the specified device.

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, 230400

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.

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.

Syntax:

SEND_COMMAND <DEV>,'TSET BAUD (Baud),(Parity),(Data), (Stop)

(485 DISABLE/ENABLE)'

HSOFF Disables hardware handshaking (default).

Syntax:

SEND_COMMAND <DEV>,'HSOFF'

Example:

SEND_COMMAND RS232_1,'HSOFF'

Disables hardware handshaking on the RS232_1 device.

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