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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
import modbus_tk.defines as cst
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import modbus_tk.modbus_tcp as modbus_tcp
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# 创建一个 Modbus TCP 服务器
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server = modbus_tcp.TcpServer(
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address="127.0.0.1", port=5021, timeout_in_sec=1
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)
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# 添加一个从设备 (slave)
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slave_id = 1
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slave = server.add_slave(slave_id)
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# 为从设备分配地址空间，例如保持寄存器 (holding registers)
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# 假设地址范围为 7000 到 7100，对应客户端M01_idlepos_velocity_rw
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slave.add_block('hr', cst.HOLDING_REGISTERS, 7000, 100)
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slave.add_block('coil_block', cst.COILS, 56000, 1000)
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# 初始化地址 56488 和 56432 的值为 True
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slave.set_values('coil_block', 56488, [True]) # Coil 56488 设置为 True
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slave.set_values('coil_block', 56432, [True]) # Coil 56432 设置为 True
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slave.set_values('coil_block', 56496, [True]) # Coil 56488 设置为 True
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slave.set_values('coil_block', 56432, [True]) # Coil 56432 设置为 True
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# slave.add_block('hr', cst.COILS, 7000, 100)
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server.start()
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print("Modbus TCP server running on localhost:5021")
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# 保持服务器运行，直到按下 Ctrl+C
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try:
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while True:
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pass
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except KeyboardInterrupt:
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server.stop()
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print("Server stopped.")
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