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MON20/20 Software for Gas Chromatographs User Manual
SEPTEMBER 2010 3-9000-745
4-81
To delete a communications port setting from the Communication
window, click Delete. A selected row will be deleted from the
Communication table.
4.12.1 Creating or editing registers
You can map GC data to Modbus registers and generate MAP files, which
can then be associated with communications ports.
For a list of variable assignments made to all registers, consult the
Communication section of the PC Config Report.
RTS Off Dly The delay in milliseconds between RTS termination and the end of data
transmission.
Range: 0 to 1000
RTS ON Sly The delay in milliseconds between RTS activation and the start of data transmission
Range: 0 to 1000
Port Resp Dly The delay in milliseconds the communication port will wait before sending a
response back to device.
Range: 0 to 100
Port Avail Allows you to enable or disable the communication port.
Timeout The time interval in seconds within which the GC is required to read the response
from device.
Unit System Sets the type of measurement system to use. Options are U.S. Customary or
Metric.
MAP File Points to the file that contains the registers that should be used.
Port Allows you to set the type of protocol to be used for the port: RS232, RS422 or
RS485.
If the port is set to RS422 or RS485, additional configuration steps are required; see
your GC manual for more information