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Скрипт для получения данных от SDM220
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#!/usr/bin/python2 | ||
import struct | ||
import pymodbus.client.sync | ||
import binascii | ||
import time | ||
import sys | ||
import requests | ||
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def read_float_reg(client, basereg, unit=1) : | ||
resp = client.read_input_registers(basereg,2, unit=1) | ||
if resp == None : | ||
return None | ||
return struct.unpack('>f',struct.pack('>HH',*resp.registers)) | ||
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def fmt_or_dummy(regfmt, val) : | ||
if val is None : | ||
return '.'*len(regfmt[2]%(0)) | ||
return regfmt[2]%(val) | ||
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def main() : | ||
regs = [ | ||
# Symbol Reg# Format | ||
( 'V', 0x00, '%6.2f' ), # Voltage [V] | ||
( 'Curr', 0x06, '%6.2f' ), # Current [A] | ||
( 'P[act]', 0x0c, '%6.0f' ), # Active Power ("Wirkleistung") [W] | ||
( 'P[app]', 0x12, '%6.0f' ), # Apparent Power ("Scheinl.") [W] | ||
( 'P[rea]', 0x18, '%6.0f' ), # Reactive Power ("Blindl.") [W] | ||
( 'PF', 0x1e, '%6.3f' ), # Power Factor [1] | ||
( 'Phi', 0x24, '%6.1f' ), # cos(Phi)? [1] | ||
( 'Freq', 0x46, '%6.2f' ) # Line Frequency [Hz] | ||
] | ||
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cl = pymodbus.client.sync.ModbusSerialClient('rtu',port='COM3', baudrate=2400, parity='N',stopbits=1,timeout=0.125) | ||
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values = [ read_float_reg(cl, reg[1], unit=1) for reg in regs ] | ||
string = 'http://192.168.0.108/objects/?script=sdm220&volt=' + str(values[0]) + '&curr=' + str(values[1]) + '&p_act=' + str(values[2]) + '&p_app=' + str(values[3]) + '&p_rea=' + str(values[4]) + '&pf=' + str(values[5]) + '&phi=' + str(values[6]) + '&freq=' + str(values[7]) | ||
string = string.replace(')', '') | ||
string = string.replace('(', '') | ||
string = string.replace(',', '') | ||
r = requests.get(string) | ||
sys.stdout.flush() | ||
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if __name__ == '__main__' : | ||
main() |