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# tristar-to-telegraf
Python script to output data from Morningstar Tristar charge controllers in JSON format for Telegraph/InfluxDB/Grafana stack
**Usage:** python read_tsmppt.py `<ip address>` `<alias>`
**Usage Example:** python read_tsmppt.py 192.168.1.100 Solar1
Output:
`{"Solar1": {"battvoltmin": 26.52099609375, "battamps": 3.5791015625, "powerout": 96.0205078125, "battsense": 0.0, "arrayamps": 1.4111328125, "battwatts": 96.08131349086761, "batttempmin": 25, "state": 5, "arraywatts": 104.6773910522461, "heatsinktemp": 19, "battvolt": 26.8450927734375, "powerin": 104.8095703125, "battvoltmax": 26.9110107421875, "arrayvolt": 74.1796875, "batttempmax": 25, "batttemp": 25}}`
### Telegraf.conf
```
[[inputs.exec]]
commands = [
"python /home/jigsaw/read_tsmppt.py 192.168.1.100 Solar1",
"python /home/jigsaw/read_tsmppt.py 192.168.1.101 Solar2",
"python /home/jigsaw/read_tsmppt.py 192.168.1.102 Solar3"
]
interval = "60s"
timeout = "5s"
name_suffix = "_SOLAR"
data_format = "json"
```
### Grafana Queries
**Voltage** `SELECT mean("SOLAR1_battvolt") FROM "exec_SOLAR" WHERE $timeFilter GROUP BY time($__interval) fill(linear)`
**Current** `SELECT mean("SOLAR1_battamps") FROM "exec_SOLAR" WHERE "SOLAR1_battamps" < 100 AND $timeFilter GROUP BY time($__interval) fill(linear)`
**Batt Temp** `SELECT mean("SOLAR1_batttemp") FROM "exec_SOLAR" WHERE "SOLAR1_batttemp" < 100 AND $timeFilter GROUP BY time($__interval) fill(linear)`