energy-meters:start
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
energy-meters:start [2019-01-22 10:16] – external edit 127.0.0.1 | energy-meters:start [2020-09-07 11:59] – [1. Selection guide] mvader | ||
---|---|---|---|
Line 3: | Line 3: | ||
At Victron Energy, we stock several types of Energy Meters. | At Victron Energy, we stock several types of Energy Meters. | ||
- | The Energy Meters are used in systems with a Venus-device. To measure the output of a PV inverter (more info in the Venus-OS manual [[https:// | + | The Energy Meters are used in systems with a [[venus-os: |
===== 1. Selection guide ===== | ===== 1. Selection guide ===== | ||
+ | |||
+ | ^ __Energy Meter__ | ||
+ | | Appearance | ||
+ | | Display | ||
+ | | Manual and Wiring Diagrams | [[et112|ET112 Manual]] | ||
+ | | Part Number | REL300100000 | ||
+ | | Supported Phases | 1 phase | 3 phase ||| | ||
+ | | Maximum Current Rating | 100A | 65A per phase ||| | ||
+ | | Measurement Type | Shunt |||| | ||
+ | | Data connection | RS485 ||| Ethernet | ||
+ | |||
=== First decide if you need single- or three phase meters === | === First decide if you need single- or three phase meters === | ||
- | For a three phase utility connection, use a three phase meter. For a three phase PV Inverter, use a three phase meter as well. For a single phase utility connection, use a single phase meter. And in an installation with a single phase utility connection, that also has a PV Inverter that needs measuring with a Victron meter, then you can use Rutger | + | For a three phase utility connection, use a three phase meter. For a three phase PV Inverter, use a three phase meter as well. For a single phase utility connection, use a single phase meter. And in an installation with a single phase utility connection, that also has a PV Inverter that needs measuring with a Victron meter, then you can use 2 pieces of ET112; or use the ET340. |
+ | |||
+ | === Now, based on current, select the model: === | ||
+ | ^ Requirement | ||
+ | | Single phase up to 100A | Shunt | ET112 | | ||
+ | | Three phase up to 65A/ | ||
+ | | Single phase more than 100A/phase | CT | Not available, use the three phase CT solution | ||
+ | | Three phase more than 65A/ | ||
+ | |||
+ | The EM24 meter counts energy in a different way than the ET340. For Germany and most other countries; the EM24 is the advised model. See FAQ Q5 and Q9 for further details regarding energy counting differences. | ||
+ | |||
+ | === In case of EM24, select between RS485 and Ethernet connection: === | ||
- | === Now, based on current, select the model === | + | The Ethernet |
- | ^ Requirement | + | |
- | ^ ::: ^ ::: ^ Part number | + | |
- | | Single phase up to 100A | Shunt | REL300100000 | ET112 | 1 phase - max 100A | | + | |
- | | Three phase up to 65A/ | + | |
- | | Single phase more than 100A/phase | CT | Not available, use the three phase CT solution | + | |
- | | Three phase more than 65A/ | + | |
- | Besides above meters, we also stock the ET340 meter; REL300300000. It counts energy | + | The disadvantage is that this relies on that network functioning properly - in case of issues |
- | === 1.1 Support for other Carlo Gavazzi meters === | + | ===== 2. Support for other Carlo Gavazzi meters |
Besides above listed meters, there are many more meters available from Carlo Gavazzi. Use this list to see which ones are compatible. | Besides above listed meters, there are many more meters available from Carlo Gavazzi. Use this list to see which ones are compatible. | ||
Line 35: | Line 51: | ||
^ EM271 | Not supported | does not report exported energy, | ^ EM271 | Not supported | does not report exported energy, | ||
^ ::: | ::: | com protocol not compatible with supported grid meters | ^ ::: | ::: | com protocol not compatible with supported grid meters | ||
- | |||
- | ===== 2. Manuals ===== | ||
- | |||
- | * [[et112|REL300100000 - ET112 - 1 phase - max 100A]] | ||
- | * [[et340|REL300300000 - ET340 - 3 phase max 65A/phase]] | ||
- | * [[em24|REL200100000 - EM24 - 3 phase max 65A/phase]] | ||
Line 68: | Line 78: | ||
Three-phase new meter only (ET340): | Three-phase new meter only (ET340): | ||
- | * Measuring Energy from single phase PV Inverter on the second phase of the new meter, ET340, actually works. Where-as with the old meter, the EM24, only the Power Metering (Watts) works. The Energy Metering (kWh) for a single phase PV Inverter on the second phase of the EM24 does not work. | + | * Measuring Energy from single phase PV Inverter on the second phase of the new meter, ET340, actually works. Where-as with the old meter, the EM24, only the Power Metering (Watts) works. The Energy Metering (kWh) for a single phase PV Inverter on the second phase of the EM24 does not work. See Q9 for the details. |
=== Q6: Will you keep shipping both 3 phase meters? (ET340 & EM24) === | === Q6: Will you keep shipping both 3 phase meters? (ET340 & EM24) === | ||
Line 110: | Line 120: | ||
===== DISQUS ===== | ===== DISQUS ===== | ||
~~DISQUS~~ | ~~DISQUS~~ | ||
- |
energy-meters/start.txt · Last modified: 2022-09-13 14:42 by stefanie