53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
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import serial
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import logging
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import modbus_tk
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import modbus_tk.defines as cst
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from modbus_tk import modbus_rtu
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class inst_temp:
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def __init__(self,com,band):
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#self.logger = modbus_tk.utils.create_logger("dummy")
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self.logger = logging.getLogger("modbus_tk")
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if not self.logger.handlers:
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self.logger = modbus_tk.utils.create_logger("console")
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#self.ser = serial.Serial(com,band,bytesize=8, parity='N', stopbits=1)
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try:
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self.master = modbus_rtu.RtuMaster(
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serial.Serial(com, band, bytesize=8, parity='N', stopbits=1)
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)
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self.master.set_timeout(5.0)
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self.master.set_verbose(True)
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self.logger.info("connected")
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print("*-----------------------------*")
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print("* TEMP Connected. *")
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except modbus_tk.modbus.ModbusError as exc:
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self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
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def temp_on(self):
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try:
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self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 212, output_value=256))
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self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 1200, output_value=256))
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except modbus_tk.modbus.ModbusError as exc:
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self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
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print("temp on")
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def temp_off(self):
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try:
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self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 212, output_value=256))
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self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 1200, output_value=0))
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except modbus_tk.modbus.ModbusError as exc:
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self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
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print("temp off")
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def read_temp(self):
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print("read temp")
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def write_temp(self,temp):
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print("write temp")
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def temp_close(self):
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self.master.close()
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print("* TEMP unConnected. *")
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print("*-----------------------------*")
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