ProSoft Technology 3170-MBS - Manual (Page 34)

Example Address Mapping 3170-MBS ♦ Flex Platform
User Manual Modbus Slave Interface Module
Page 34 of 55 ProSoft Technology, Inc.
October 27, 2010
7.1 Application Example
Use the information provided with your I/O to fill in the work sheets (page 38).
This will help you to decide the best way to address each I/O block.
In most applications Analog I/O will be addressed using the Vertical method.
Discrete I/O must be addressed using the Horizontal method only.
The Input Data will be read vertically as holding registers
The Underrange bits will be read as inputs
The Configuration Selection bits will be written as coils.