User Manual MON20/20 Software for Gas Chromatographs
3-9000-745 SEPTEMBER 2010
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Figure 4-77. The Modbus Map Editor window
4. From the Register Type drop-down list, select the type of PLC
emulation protocol you want to use. You have two options:
User_Modbus, which is a PLC emulation Modbus protocol that can
use scaling to convert floating point numbers to integers, and
SIM_2251, which emulates the Daniel 2500 communication protocol
and is a simulation of the 2251 GC controller.
The table’s column headers change based on which protocol is
selected.
5. If you want to base the new MAP file on an existing MAP file, do the
following:
(a.) Click Import. The Open window displays.