XBOS PV Meter

Interface: i.xbos.pv_meter

Description: Standard XBOS photovoltaic interface

PONUM: 2.1.1.6

Properties

Name Type Description Units Required
current_power double Current power generated W true
time integer nanoseconds since the Unix epoch ns true
total_energy_lifetime double Energy produced over Enphase lifetime Wh false
total_energy_today double Energy produced today Wh false

Signals

  • info:
    • current_power
    • total_energy_lifetime
    • total_energy_today
    • time

Slots

Interfacing in Go

package main

import (
    "fmt"
    bw2 "gopkg.in/immesys/bw2bind.v5"
)

func main() {
    client := bw2.ConnectOrExit("")
    client.OverrideAutoChainTo(true)
    client.SetEntityFromEnvironOrExit()

    base_uri := "PV Meter uri goes here ending in i.xbos.pv_meter"

    // subscribe
    type signal struct {
        Current_power         float64 `msgpack:"current_power"`
        Total_energy_lifetime float64 `msgpack:"total_energy_lifetime"`
        Total_energy_today    float64 `msgpack:"total_energy_today"`
        Time                  int64   `msgpack:"time"`
    }
    c, err := client.Subscribe(&bw2.SubscribeParams{
        URI: base_uri + "/signal/info",
    })
    if err != nil {
        panic(err)
    }

    for msg := range c {
        var current_state signal
        po := msg.GetOnePODF("2.1.1.6/32")
        err := po.(bw2.MsgPackPayloadObject).ValueInto(&current_state)
        if err != nil {
            fmt.Println(err)
        } else {
            fmt.Println(current_state)
        }
    }
}

Interfacing in Python


import time
import msgpack

from bw2python.bwtypes import PayloadObject
from bw2python.client import Client

bw_client = Client()
bw_client.setEntityFromEnviron()
bw_client.overrideAutoChainTo(True)

def onMessage(bw_message):
  for po in bw_message.payload_objects:
    if po.type_dotted == (2,1,1,6):
      print msgpack.unpackb(po.content)

bw_client.subscribe("PV Meter uri ending in i.xbos.pv_meter/signal/info", onMessage)

print "Subscribing. Ctrl-C to quit."
while True:
  time.sleep(10000)

results matching ""

    No results matching ""