Herholdt Controls (M1PRO,M3PRO) data logging - MODBUS registers map


This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offset
Description
Units
Data type
4100
Firmware version
 
word
4101
Range overflow alarm
 
word
4102
Running tariff
 
word
4103
Read-only not used register
 
word
4104
PID, product identification bytes 1 and 2
 
word
4105
PID bytes 3 and 4
 
word
4106
PID bytes 5 and 6
 
word
4107
PID bytes 7 and 8
 
word
4108
PID bytes 9 and 10
 
word
4109
PID bytes 11 and 12
 
word
4110
PID bytes 13 and 14
 
word
4118
Reset energy counters command
 
word
4119
Active energy, L1, T1, imported
kWh
int64
4123
Active energy, L2, T1, imported
kWh
int64
4127
Active energy, L3, T1, imported
kWh
int64
4131
Active energy, sum, T1, imported
kWh
int64
4135
Active energy, L1, T2, imported
kWh
int64
4139
Active energy, L2, T2, imported
kWh
int64
4143
Active energy, L3, T2, imported
kWh
int64
4147
Active energy, sum, T2, imported
kWh
int64
4151
Active power, L1
kW
dword
4153
Active power, L2
kW
dword
4155
Active power, L3
kW
dword
4157
Active power, sum
kW
int64
4161
Active energy, L1, T1, exported
kWh
int64
4165
Active energy, L2, T1, exported
kWh
int64
4169
Active energy, L3, T1, exported
kWh
int64
4173
Active energy, sum, T1, exported
kWh
int64
4177
Active energy, L1, T2, exported
kWh
int64
4181
Active energy, L2, T2, exported
kWh
int64
4185
Active energy, L3, T2, exported
kWh
int64
4189
Active energy, sum, T2, exported
kWh
int64
4193
Reactive energy, L1, T1, imported
kvarh
int64
4197
Reactive energy, L2, T1, imported
kvarh
int64
4201
Reactive energy, L3, T1, imported
kvarh
int64
4205
Reactive energy, sum, T1, imported
kvarh
int64
4209
Reactive energy, L1, T2, imported
kvarh
int64
4213
Reactive energy, L2, T2, imported
kvarh
int64
4217
Reactive energy, L3, T2, imported
kvarh
int64
4221
Reactive energy, sum, T2, imported
kvarh
int64
4225
Reactive energy, L1, T1, exported
kvarh
int64
4229
Reactive energy, L2, T1, exported
kvarh
int64
4233
Reactive energy, L3, T1, exported
kvarh
int64
4237
Reactive energy, sum, T1, exported
kvarh
word
4241
Reactive energy, L1, T2, exported
kvarh
int64
4245
Reactive energy, L2, T2, exported
kvarh
int64
4249
Reactive energy, L3, T2, exported
kvarh
int64
4253
Reactive energy, sum, T2, exported
kvarh
int64
4257
Reactive power, L1
kvar
dword
4259
Reactive power, L2
kvar
dword
There are more MODBUS items for this device. Please download the program to discover all registers.
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Note: Products and companies mentioned here are used only for definition and identification purposes and can be trademarks and/or registered trademarks of the respective companies.