2/20/2024 0 Comments Monit block exampleMount emonTx in desired location, use wall mounts if required, attach antennae. The emonTx transmits real power, cumulative watt-hours, mains voltage and temperature measurements every 10s over RFM69 radio to an emonBase connected via Ethernet to the internet router in the living room. Another CT sensor is located inside the main consumer unit, in this case monitoring the electricity supply to a heat pump.Ī dedicated socket was installed for the AC-AC Voltage sensor and combined power supply.Ī RFM69 433 MHz antennae is attached and also a DS18B20 temperature sensor connected to the emonTx RJ45 Temperature and Pulse input socket. In this example installation the total house electricity consumption is measured using the CT sensor attached to the brown cable (main feed to the house). New 2019: The emonTx firmware now supports higher accuracy continuous monitoring as standard, power from an ACAC adapter or USB power is assumed.Īlternative firmware options include: Discrete Sampling firmware - useful when only battery power is available and 3-phase firmware.Ī typical emonTx & emonBase system consists of:ġx emonTx (includes antennae and wall mounts)ġx emonBase (RaspberryPi + RFM69Pi adapter board + Enclosure + emonSD card)Įxample emonTx sensor node installation The emonBase runs our emonSD software including emonCMS for full local data logging and visualisation capability. The emonBase base-station consists of a RaspberryPi and an RFM69Pi adapter board to receive the 433 MHz radio packets from the emonTx. In this example the emonTx transmits AC power, voltage and temperature sensor measurements (if connected) every 10s via 433 MHz radio to the emonBase base-station. The emonTx supports up to 4x CT sensors so the steps below can easily be extended to monitor additional circuits. Covering an example with 2x CT sensors to monitor two AC circuits in a house and an ACAC Voltage sensor to allow real power calculation as well as power for the emonTx unit itself. The following guide details how to install an emonTx3 energy monitoring node.
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