modbus write_colis 간단 예제
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import numpy as np
import logging, sys, time
from pymodbus.client.sync import ModbusSerialClient as ModbusClient
modbus_client = ModbusClient(method='rtu', port='COM3', timeout=2, stopbits=1, bytesizes=8, parity="N", baudrate=9600)
print ("client ==>", modbus_client);
modbus_client.connect()
# 릴레이
do = [True,True,True,True,True,True,True,True]
wc = modbus_client.write_coils(address=0, values=do, unit=1);
print("coils_write => " , wc)
wc = modbus_client.write_coils(address=0, values=do, unit=2);
print("coils_write => " , wc)
modbus_client.close()
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