Modbus slave module parameter mapping – Multi-Tech Systems 7500 User Manual
Page 71

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