RPT 301 User Manual | 21 |
O - Set Communications Options
This command sets the communication port parameters to match those of the control computer.
Note: When changing these settings care must be taken to avoid losing communication with the instrument. If this should happen the default communications settings can be restored (those operational at the time of shipment) by moving Link 1 to the ‘A’ (Restore) position and switching the power off and back on. The link should then be moved back to the ‘B’ (Normal) position. If the link is left in the ‘A’ (Restore) position it is not possible to permanently change the communications settings; this may be considered useful in some applications. Default on shipment is set to the command O, 000,00,0,0,0,0,0 which means: 9600 baud, 8 data bits, 2 stop bits, no parity, no handshake.
Command: O, PIN, address, baud, data bits, stop bits,
parity, handshake
Where: PIN is a
address always = 00
baud rate value = 0 - 7: 0 = 9600, 1 = 4800, 2 = 2400, 3 = 1200,
|
| 4 = 600, 5 = 300, 6 = 150, 7 = 75 | |
data bits: | 0 for 8 data bits1 for 7 data bits | ||
stop bits: | 0 for 2 stop bits | 1 for 1 stop bit | |
parity: | 0 = no parity 1 = even parity 2 = odd parity | ||
handshake: | 0 = no handshake |
| |
| 1 | = software handshake (XON/XOFF) | |
| 2 | = hardware handshake (RTS/CTS) | |
Reply: None
Note: When RS485 hardware has been selected the serial link is configured as full duplex with no hardware handshaking. Handshake = 2 is not valid for RS485 hardware.