st-ten-1/src/test/tecna.py

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2022-06-20 07:08:34 +00:00
import pymodbus.exceptions
from pymodbus.client.sync import ModbusSerialClient as ModbusClient
import serial
client = ModbusClient(method="rtu", port="COM3", stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, baudrate=115200, timeout=1, strict=False)
status = client.connect()
read_data = client.read_holding_registers(1, count=1)
if type(read_data) is not pymodbus.exceptions.ModbusIOException:
for i,v in enumerate(read_data):
print(f"READ DATA at {i}:{v}")
pass
else:
print("READ ERROR")