How many modules can be attached to the meter simultaneously?
A maximum of three modules may be attached to the meter at the same time.
- If a communication module is used (e.g. AXM-WEB-PUSH), it must be installed on the back of the meter FIRST before other modules are attached.
- There can only be one communication module connected to the meter.
- No more than two, identical I/O modules may be attached to the meter. Additionally, the two I/O modules must have a different component number. For example, two AXM-IO2 will be designated AXM-IO2-1 and AXM-IO2-2.
Does the meter support single phase applications?
The meter supports single phase systems. Single phase 2-wire and single phase 3-wire are supported. The wiring configuration should be set to 1LN, 1CT for single phase 2-wire and 1LL, 2CT for single phase 3-wire systems.
Can I use the voltage input for the control power of the meter?
Yes, you can use a jumper to power the meter as long as the voltage input is within the meter's control power limit of 100-415Vac for P1 meters and 20-60Vdc for P2 meters. V1 on the voltage input can be jumped to "L" on the meter's power supply terminal and V2 of the voltage input can be jumped to "N." NOTE: If there is a neutral in the system you can jump the neutral from the voltage input to the ‘N’ terminal of the meters power supply, and use one of the voltage inputs to connect to 'L'.
What is the refresh rate for the Acuvim II meter's screen and registers?
The LCD screen refresh rate is 1 second while the Modbus data updates in the registers at a 100ms refresh rate.
Does the Acuvim II support SunSpec registers?
Yes, the Acuvim II meter supports SunSpec. The SunSpec registers can be found in the download section of the website as well as in the meter's user manual.
Can the Acuvim II monitor 400Hz systems?
Yes, the Acuvim II can be used to monitor 400Hz systems. In addition, the meter can automatically detect and adapt to the frequency of the electrical system.
What is the meter's sampling rate per cycle?
The meter takes 512 samples per cycle.
Can the meter be powered using the Voltage references (V1,V2,V3,VN)?
Yes, the meter may be powered up using only one voltage wire (V1) and the neutral wire (Vn). This may be accomplished by jumping the voltage phase wires.
View all Acuvim II FAQs
What is the maximum length a CT lead can be extended?
We do not recommend extending over 50m. If you choose to extend the CT leads according to this guideline, we suggest that using a twisted pair of cables. Adding shielding is also recommended best practice.