Modbus slave module parameter mapping – Multi-Tech Systems 7500 User Manual

Page 71

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ION 7500 / ION 7600 User’s Guide

Using the Modbus RTU Protocol

Chapter 3 - Default Meter Functionality

Page 71

Modbus Slave Module Parameter Mapping

The following tables show which measurements are provided by each of the
Modbus Slave modules. The source for each measurement is shown (“Source ION
Module”) so that you can easily delete parameters if you want to access different
data. Note that the Modbus Register remains the same if you link a different
parameter into one of the Modbus Slave module inputs (i.e. any value you link to
Modbus Slave module #1, Source Input #1 will use Modbus Register 40011).

Measurement

Label

Source ION Module

Modbus Module and Input Number

Modbus Register

L-N Voltage Phase A

Vln a

Power Meter

Modbus Slave #1 – Source Input #1

40011

L-N Voltage Phase B

Vln b

Power Meter

Modbus Slave #1 – Source Input #2

40012

L-N Voltage Phase C

Vln c

Power Meter

Modbus Slave #1 – Source Input #3

40013

Average L-N Voltage

Vln avg

Power Meter

Modbus Slave #1 – Source Input #4

40014

L-L Voltage AB

Vll ab

Power Meter

Modbus Slave #1 – Source Input #5

40015

L-L Voltage BC

Vll bc

Power Meter

Modbus Slave #1 – Source Input #6

40016

L-L Voltage CA

Vll ca

Power Meter

Modbus Slave #1 – Source Input #7

40017

Average L-L Voltage

Vll avg

Power Meter

Modbus Slave #1 – Source Input #8

40018

Phase A Current

I a

Power Meter

Modbus Slave #1 – Source Input #9

40019

Phase B Current

I b

Power Meter

Modbus Slave #1 – Source Input #10

40020

Phase C Current

I c

Power Meter

Modbus Slave #1 – Source Input #11

40021

Average Current

I avg

Power Meter

Modbus Slave #1 – Source Input #12

40022

Voltage Unbalance

V unbal

Power Meter

Modbus Slave #1 – Source Input #13

40023

Current Unbalance

I unbal

Power Meter

Modbus Slave #1 – Source Input #14

40024

Line Frequency

Freq

Power Meter

Modbus Slave #1 – Source Input #15

40025

Neutral Current

I 4

Power Meter

Modbus Slave #1 – Source Input #16

40026

Measurement

Label

Source ION Module

Modbus Module and Input Number

Modbus Register

Phase A kW

kW a

Power Meter

Modbus Slave #2 – Source Input #1

40027

Phase B kW

kW b

Power Meter

Modbus Slave #2 – Source Input #2

40029

Phase C kW

kW c

Power Meter

Modbus Slave #2 – Source Input #3

40031-40032

Total kW

kW tot

Power Meter

Modbus Slave #2 – Source Input #4

40033-40034

Phase A kVAR

kVAR a

Power Meter

Modbus Slave #2 – Source Input #5

40035-40036

Phase B kVAR

kVAR b

Power Meter

Modbus Slave #2 – Source Input #6

40037-40038

Phase C kVAR

kVAR c

Power Meter

Modbus Slave #2 – Source Input #7

40039-40040

Total kVAR

kVAR tot

Power Meter

Modbus Slave #2 – Source Input #8

40041-40042

Phase A kVA

kVA a

Power Meter

Modbus Slave #2 – Source Input #9

40043-40044

Phase B kVA

kVA b

Power Meter

Modbus Slave #2 – Source Input #10

40045-40046

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