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PPC Manual Revision 1
Chapter 23: D Registers (Holding Registers)
23.1 Overview
This chapter describes the functions and applications of the D registers.
D registers are used in Modbus and Ethernet communications for storing parameter data,
flag data, process data, and other data and values.
The host computer can utilize these data by reading from and writing to the D registers.
Use of the D registers enables the following:
Centralized control by the host computer
Reading and writing of data between the PPC5 and the host computer