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User Manual MON20/20 Software for Gas Chromatographs
3-9000-745 SEPTEMBER 2010
4-92
(b.) Enter a new name for the file or select the file that you want to
overwirte.
(c.) Click Save.
4.12.3 Assigning a variable to a register
To assign a variable to a register, from the Modbus Map Editor window,
double-click the appropriate Variable(s) cell and select a new variable.
For a demonstration of how to use the context-sensitive variable selector,
see “Using the context-sensitive variable selector” on page 1-42.
4.12.4 Viewing or editing scales
Scales allow you to use one register to store floating point variables
instead of the customary two registers. By using a scale, floating point
data can then be converted to integer values.
MON 20/20 supports 32 different scales that are labelled SCALED_FP1
through SCALED_FP32. The Data Type column on the Modbus Map
Editor window displays the type of scale, if any, that is being used for a
particular register. If a scale is being used, the Zero Scale and Full Scale
columns will display the lower and upper values for the chosen scale.
To view the list of scales, select Application → Communication... →
Registers and click Edit Scales from the Modbus Map Editor window.
The Edit Scales window displays all of the scales, along with each scales
lower and upper values.