4module addressing – ProSoft Technology 3170-MBS User Manual

Page 19

Advertising
background image

3170-MBS ♦ Flex Platform

Module Addressing

Modbus Slave Interface Module

User Manual

ProSoft Technology, Inc.

Page 19 of 55

October 27, 2010

4

Module Addressing

In This Chapter

 Reading Discrete Inputs ........................................................................ 20

 Writing Discrete Outputs........................................................................ 21



Each Flex or Integra module has 60 words of address space. 30 Input or Read

address and 30 Output or Write addresses. Data is mapped in two ways

Horizontal and Vertical.
With Horizontal addressing the adapter address the first input and output word

for each module incrementally. 40001 for module 0, 40002 for module 1 and so

on.
Vertical addressing increments the words for each module. For example, the

vertical read words for slot 0 start with 41001 and increment to 41015.

Advertising