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60 DOCA0005EN-04
Communications via Modbus RS-485 iEM3100 / iEM3200 / iEM3300 series user manual
Energy, energy by tariff and input metering
Most energy values are available in both signed 64-bit integer and 32-bit floating point format.
The energy and energy by tariff measurements listed below are preserved through power failures.
Power Factor
3084 R 2 Float32 –
Total Power Factor:
-2 < PF < -1 = Quad 2, active power negative, capacitive
-1 < PF < 0 = Quad 3, active power negative, inductive
0 < PF < 1 = Quad 1, active power positive, inductive
1 < PF < 2 = Quad 4, active power positive, capacitive
Frequency
3110 R 2 Float32 Hz Frequency
Energy reset and active tariff information
Register
Address
Action
(R/W/WC)
Size Type Units Description
3252 R 4 DATETIME – Energy Reset Date and Time
3554 R 4 DATETIME –
Input Metering Accumulation Reset Date and Time
Not applicable for iEM3150 / iEM3250 / iEM3350
4191 R/WC 1 UInt16 –
MultiTariffs Energy Active Rate
0: multi tariff disabled
1 to 4: rate A to rate D
Not applicable for iEM3150 / iEM3250 / iEM3350
NOTE: You can only set the tariff using this method if the Tariff Mode
is set to by Communication.
Energy values – 64-bit integer
Register
Address
Action
(R/W/WC)
Size Type Units Description
Total Energy (cannot be reset)
3204 R 4 Int64 Wh Total Active Energy Import
3208 R 4 Int64 Wh
Total Active Energy Export
Not applicable for iEM3150 / iEM3250 / iEM3350
3220 R 4 Int64 VARh
Total Reactive Energy Import
Not applicable for iEM3150 / iEM3250 / iEM3350
3224 R 4 Int64 VARh
Total Reactive Energy Export
Not applicable for iEM3150 / iEM3250 / iEM3350
Partial Energy
3256 R 4 Int64 Wh Partial Active Energy Import
3272 R 4 Int64 VARh
Partial Reactive Energy Import
Not applicable for iEM3150 / iEM3250 / iEM3350
Phase Energy
3518 R 4 Int64 Wh Active Energy Import Phase 1
3522 R 4 Int64 Wh Active Energy Import Phase 2
3526 R 4 Int64 Wh Active Energy Import Phase 3
Input Metering Counter
3558 R 4 Int64 Unit
Input Metering Accumulation
Not applicable for iEM3150 / iEM3250 / iEM3350
Energy by Tariff (iEM3155 / iEM3255 / iEM3355 only)
4196 R 4 Int64 Wh Rate A Active Energy Import
4200 R 4 Int64 Wh Rate B Active Energy Import
4204 R 4 Int64 Wh Rate C Active Energy Import
4208 R 4 Int64 Wh Rate D Active Energy Import
Register
Address
Action
(R/W/WC)
Size Type Units Description