Dynamic SFC332L, Operator'S Manual

Page: 71 / 148

Dynamic Flow Computers SFC332L Manual Data Entry
— 2-26
Date: 8/1/2019
M
O D B U S
S
H I F T
Reassigns Modbus address registers on one Flow Computer to variables for easy polling and convenience.
Use Modbus Shift to collect values in scattered Modbus registers into a consecutive order. The Flow
Computer will repeat the assigned variables into the selected locations.
Note: some Modbus registers are 2 byte/16 bit, and some are 4 byte/32 bit. Register size incompatibility
could cause rejection to certain address assignments. Refer to the manual for more details and a listing of
the Modbus Address Table Registers.
Example: you want to read the current status of switches #1 and #2 (addresses 2617 and 2618) and the
Forward and Reverse Daily Gross Total for Meter #1 (addresses 3173 and 3189). Make assignments such
as:
3082=2617 (modbus shift – 2 bytes)
3083=2618 (modbus shift – 2 bytes)
3819=3173 (modbus shift
– 4 bytes)