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Reference Manual
00809-0200-4420, Rev HC
Section 5: Operation and Maintenance
July 2015
Operation and Maintenance
Use global scale gain and offset?: This setting determines if a global gain and offset is applied
for scaled integers or if each value has a unique gain and offset. Unique gain and offsets are
found on the Modbus Mapping page.
Global scale gain: This value is multiplied to the data values for the purpose of scaling integers.
If global scaling is not selected, a gain value will be available for each separate data value on the
Modbus Mapping page.
Global scale offset: This value is added to the data values for the purpose of scaling integers. If
global scaling is not selected, an offset value will be available for each separate data value on the
Modbus Mapping page.
5.4.2 Register mapping
Register Mapping is the process of assigning data points from wireless field devices to Modbus
registers. These registers can then be read by a Modbus master or client. Modbus register
mapping can be found by navigating to System Settings>Protocols>Modbus.
Figure 5-6. Modbus Register Map Page
To add a new data point to the Modbus register map:
1. Select Add New entry.
2. Complete all of the table entries for the new data point (note that the entry columns
may vary based on the Modbus communications settings).
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