Frequently Asked Questions
We recommend to use standard tested SE solution like using COM'X with Wifi dongle, which can be connected to iEM3155 over Modbus RTU and COM'X will sendthe data of meter over Wifi.
Yes, the iEM3110 kWh meter with pulse output, is a 3 phase digital meter for direct connection up to 63Amps.
Replacement is a A9MEM3210
The part number for a Bacnet, NMI approved kilowatt-hour meter with CT's is a - A9MEM3265.
To be able to measure the energy out from a Solar Panel a meter needs to be able to do Four Quadrant Calculation.
This means it is capable of Identification of imported and exported active and reactive energy allows you to monitor energy flow in both directions: delivered from the utility and produced on-site.
In the iEM3000 series the following meters are capable of Four Quadrant Calculation.
iEM31** range - iEM3135, iEM3155, iEM3165, and iEM3175
iEM32** range - iEM3235, iEM3255, iEM3265, and iEM3275
iEM33** range - iEM3335, iEM3355, iEM3365, and iEM3375
iEM34** range - iEM3455, iEM3465, iEM3555, and iEM3565
The Power meters, based on the manufacturing location may have an offset.
In some meters the registers starts from Zero and some it is taken account from 1. So the published register list varies accordingly.
For Ex: If Register 2017 is for Frequency of the meters it will read 50 HZ.
But for the meter with offset the the Register 2016 will read 50HZ.
So it is good to check if the meter has got an Offset before proceeding with the communication issue.
The New range of Acti9 A9MEM2150 for example only needs a N connection - it does not require to pass the N current through it.
This has no impact on the operation but to be consistent with the rest of the range we favor the Led down, and in this case, the flat cable is twisted.