AMX AXC-232 RS-232422485 INTERFACE CARD Manual de usuario descargar pdf (Pagina 5)

RS-232/422 Interface

Page 5

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PROGRAM

Use the /AXB command in AXCESS Version 3.0 (or higher) to load the program you create

for the AXB-232+.

Commands

The AXB-232+ supports the same command set as the AXC-232.

Command: Function:

'B9MOFF'

(Default.) Sets data bit mode to normal with DIP switch setting.

'B9MON'

Enables a special mode to override DIP switch settings. The mode, nine

data bits with one stop bit, overrides the data, stop, and parity settings.

When the AXB-232+ issues this command, it locks in the baud rate

determined by the current DIP switch setting.

'CHARD-<time in 100 microsecond increments 0-255>'

Sets delay between all transmitted characters to increment specified.

Example:

'CHARD-10' sets 1mS delay between all transmitted characters.

'CTSPSH!'

Enables PUSHes, RELEASEs, and status on channel 255 for CTS hardware

handshake input. If CTS is high, then channel is on.

'EOFF'

(Default.) Disables the 'EON' command.

'EON'

Forces the AXB-232+ to ignore the transmitted characters on its receiver.

When using RS-485, the transmitter and receiver are tied together.

'HSOFF'

(Default.) Disables hardware handshaking.

'HSON'

Enables hardware handshaking.

'RXCLR'

Clears any characters in the Receive buffer waiting to be sent to the

AXC-EM.

'RXOFF'

(Default.) AXB-232+ will not pass on received characters to the AXC-EM.

'RXON'

Enables AXB-232+ to send characters it receives to the AXC-EM.

The AXC-EM automatically sends this command to the AXB-232+ when it

executes a 'CREATE_BUFFER' program instruction.

'TXCLR'

Clears and stops any characters waiting in the Transmit buffer.

'TXTO-<time in 100 millisecond increments>'

Sets the time-out for characters that are being transmitted out the

RS232/422/485 port. When the Transmit buffer becomes full, the AXB-232+

waits the specified time before discontinuing its attempts to transmit a

character. The AXB-232+ implements the time-out only when one of the

following occurs:

• It is using handshaking and the transmitter cannot transmit.

• The baud rate is so low that the Transmit buffer becomes full while

attempting to send long strings.

The power-up default is 50, or 5 seconds.

'XOFF'

(Default.) Disables software handshaking.

'XON'

Enables software handshaking.

'ZAP!'

Clears the AXCESS program in the AXB-232+.

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