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MON20/20 Software for Gas Chromatographs User Manual
SEPTEMBER 2010 3-9000-745
7-15
7.1.7 Saving Modbus data
To save the data table to a separate file, do the following:
1. Click Save Data. The Save ‘Data’ Displayed As dialog appears. The
file can be saved as a tab-delimited text file, an HTML file or a
Microsoft Excel file.
2. Type in a filename and click Save.
7.1.8 Printing Modbus data
To print Modbus data, click Print Data. The standard print dialog
displays.
MON 20/20 prints the report to your previously configured printer. See
Section 1.7 for more information.
7.1.9 Assigning scale ranges to User_Modbus registers
By assigning scale ranges, floating point data can be converted to integer
values. This is an optional task that applies to applications using the
User_Modbus protocol.
Use the Register command described in Section 4.12.4, “Viewing or
editing scales” on page 92 to assign scale ranges. See Appendix C for more
information regarding the gas chromatograph’s Modbus registers.
7.2 Troubleshooting communication errors
The Modbus program’s Error Log is maintained in a circular buffer that
holds up to 512 entries.
The Modbus program tracks the errors for a given session but does not
store them. When you exit the Modbus program, all errors are cleared.
To view any communication errors that occurred during the data
transfer, do the following: