2022-06-20 07:08:34 +00:00
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import pymodbus.exceptions
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import serial
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2022-06-21 12:18:49 +00:00
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from pymodbus.client.sync import ModbusSerialClient as ModbusClient
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2022-07-12 12:22:37 +00:00
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client = ModbusClient(method="rtu", port="/dev/ttyUSB0", stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, baudrate=115200, timeout=1, strict=False)
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2022-06-20 07:08:34 +00:00
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status = client.connect()
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read_data = client.read_holding_registers(1, count=1)
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if type(read_data) is not pymodbus.exceptions.ModbusIOException:
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2022-07-04 10:36:51 +00:00
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for i, v in enumerate(read_data.registers):
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print(f"READ DATA at {i}: {v}")
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2022-06-20 07:08:34 +00:00
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pass
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else:
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2022-06-21 12:18:49 +00:00
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print("READ ERROR")
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