from pymodbus.client.sync import ModbusTcpClient as ModbusClient
from pymodbus.payload import BinaryPayloadDecoder
from influxdb import InfluxDBClient
Defaults.Timeout = 25
Defaults.Retries = 5
client = ModbusClient('169.254.094.238', port='502')
result = client.read_input_registers(261, 1, unit=243)
decoder = BinaryPayloadDecoder.fromRegisters(result.registers,
endian=Endian.Big)
value = decoder.decode_16bit_int()
current = value / 10.0
dbname = 'the name of your influxdb here'
dbuser = '******'
dbuser_password = '******'
sensor = "batamp"
json_body = [{
"measurement": "current",
"tags": {
"sensor": sensor
},
"fields": {
"value": current
}
}]
client = InfluxDBClient('the ip address of the machine influxdb is running on',
'8086', dbuser, dbuser_password, dbname)
client.write_points(json_body)
# print("unknown type", ty)
# exit(-1)
values = {}
for start, size, regs in blocks:
try:
data = read_block(client, start, size)
for addr, reg in regs.items():
reg_data = data[2 * (addr - start):2 *
(addr - start + reg["size"])]
if reg["name"].lower() != "reserved":
val = decode(reg["type"], reg_data)
if val is not None:
values[reg["name"]] = val
continue
except AttributeError:
continue
data = [{
"measurement": "pv_monitoring",
"time": datetime.datetime.now().astimezone().isoformat()
}]
data[0]["fields"] = values
client = InfluxDBClient(INFLUXDBIP, INFLUXDBPORT, INFLUXDBUSER, INFLUXDBPASS,
INFLUXDBDB)
client.write_points(data)