ProSoft Technology MVI56-AFC User Manual
Page 73
MVI56-AFC ♦ ControlLogix Platform
Modbus Database
Liquid and Gas Flow Computer
User Manual
ProSoft Technology, Inc.
Page 73 of 316
February 25, 2011
Example: Find the orifice diameter address for the first 5 meter channels.
The meter 1 orifice diameter registers are located at the holding register address
8162 and 8163 as follows:
8160
8161
Float
Parameter: orifice plate: measurement temperature
8162
8163
Float
Parameter: orifice plate: measured diameter
8164
8165
Float
Parameter: orifice plate: coef of thermal expansion
8166
8167
Float
Parameter: meter tube: measurement temperature
8168
8169
Float
Parameter: meter tube: measured diameter
8170
8171
Float
Parameter: meter tube: coef of thermal expansion
8172
8173
Float
Parameter: differential pressure flow threshold
The meter-relative addresses are Mh00162 and Mh00163
The addresses for meters 1 to 5 are listed on the following table.
Meter
Registers
1
8162 and 8163
2
10162 and 10163
3
12162 and 12163
4
14162 and 14163
5
16162 and 16163
5.2.4 Scratchpad
The Primary Modbus Slave contains a scratchpad area that can be used to store
any data required by each application. This area is "empty" by default and
contains 6000 words of data starting at holding register 2000 in the Primary
Modbus Slave.