变频器集成以及增加点动控制(0209)
This commit is contained in:
394
tests/485test.py
394
tests/485test.py
@ -1,339 +1,79 @@
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import serial
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import minimalmodbus
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import time
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import struct
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from serial import SerialException
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class InovanceMD520:
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def __init__(self, port='COM4', baudrate=9600, timeout=1):
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"""
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初始化汇川MD520变频器通信
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:param port: 串口名称，Windows为COMx，Linux为/dev/ttyUSBx
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:param baudrate: 波特率，默认9600
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:param timeout: 超时时间，秒
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"""
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self.port = port
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self.baudrate = baudrate
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self.timeout = timeout
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self.ser = None
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def connect(self):
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"""连接串口"""
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try:
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self.ser = serial.Serial(
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port=self.port,
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baudrate=self.baudrate,
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bytesize=serial.EIGHTBITS,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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timeout=self.timeout
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)
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print(f"成功连接到串口 {self.port}")
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return True
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except serial.SerialException as e:
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print(f"连接串口失败: {e}")
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return False
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def disconnect(self):
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"""断开串口连接"""
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if self.ser and self.ser.is_open:
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self.ser.close()
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print("串口连接已关闭")
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def calculate_crc(self, data):
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"""
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计算Modbus CRC16校验码
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:param data: 字节数据
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:return: CRC校验码（低位在前，高位在后）
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"""
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crc = 0xFFFF
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for byte in data:
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crc ^= byte
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for _ in range(8):
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if crc & 0x0001:
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crc = (crc >> 1) ^ 0xA001
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else:
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crc = crc >> 1
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return struct.pack('<H', crc) # 小端序，低位在前
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def query_frequency(self, slave_addr=0x01):
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"""
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查询变频器运行频率
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:param slave_addr: 从站地址，默认1
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:return: 频率值（Hz），如查询失败返回None
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"""
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if not self.ser or not self.ser.is_open:
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print("串口未连接")
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return None
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# 构建查询指令：读取运行频率（地址1001H）
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# 01 03 10 01 00 01
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cmd_data = bytes([
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slave_addr, # 从站地址
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0x03, # 功能码：读取保持寄存器
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0x10, 0x01, # 寄存器地址：1001H（运行频率）
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0x00, 0x01 # 读取1个寄存器
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])
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# 计算CRC
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crc = self.calculate_crc(cmd_data)
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# 完整指令
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full_cmd = cmd_data + crc
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print(f"发送查询指令: {full_cmd.hex().upper()}")
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try:
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# 清空输入缓冲区
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self.ser.reset_input_buffer()
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# 发送指令
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self.ser.write(full_cmd)
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# 等待响应（根据文档需要等待3.5个字节时间）
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time.sleep(0.01) # 约10ms延迟
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# 读取响应
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# 正常响应格式：地址(1) + 功能码(1) + 字节数(1) + 数据(2) + CRC(2) = 7字节
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response = self.ser.read(7)
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if len(response) < 7:
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print(f"响应数据长度不足: {len(response)} 字节")
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return None
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print(f"收到响应: {response.hex().upper()}")
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# 验证响应
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if response[0] != slave_addr:
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print(f"从站地址不匹配: 期望{slave_addr:02X}, 收到{response[0]:02X}")
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return None
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if response[1] != 0x03:
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print(f"功能码错误: 期望03, 收到{response[1]:02X}")
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return None
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if response[2] != 0x02:
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print(f"数据长度错误: 期望02, 收到{response[2]:02X}")
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return None
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# 验证CRC
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received_crc = response[-2:]
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calculated_crc = self.calculate_crc(response[:-2])
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if received_crc != calculated_crc:
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print("CRC校验失败")
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return None
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# 解析频率数据（高字节在前）
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frequency_raw = (response[3] << 8) | response[4]
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frequency_hz = frequency_raw / 100.0 # 转换为Hz（单位0.01Hz）
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print(f"原始频率值: {frequency_raw} (0x{frequency_raw:04X})")
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print(f"实际频率: {frequency_hz:.2f} Hz")
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return frequency_hz
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except Exception as e:
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print(f"通信错误: {e}")
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return None
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def set_frequency(self, slave_addr=0x01,frequency=210):
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"""
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变频器运行频率
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:param slave_addr: 从站地址，默认1
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:return: 频率值（Hz），如查询失败返回None
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"""
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if not self.ser or not self.ser.is_open:
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print("串口未连接")
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return None
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# 构建查询指令：读取运行频率（地址1001H）
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# 01 03 10 01 00 01
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cmd_data = bytes([
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slave_addr, # 从站地址
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0x06, # 功能码：读取保持寄存器
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0x10, 0x00, # 寄存器地址：1001H（运行频率）
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0x1B, 0x58 # 读取1个寄存器
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])
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# 计算CRC
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crc = self.calculate_crc(cmd_data)
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# 完整指令
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full_cmd = cmd_data + crc
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print(f"发送查询指令: {full_cmd.hex().upper()}")
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try:
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# 清空输入缓冲区
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self.ser.reset_input_buffer()
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# 发送指令
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self.ser.write(full_cmd)
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# 等待响应（根据文档需要等待3.5个字节时间）
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time.sleep(0.01) # 约10ms延迟
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# 读取响应
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# 正常响应格式：地址(1) + 功能码(1) + 字节数(1) + 数据(2) + CRC(2) = 7字节
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response = self.ser.read(7)
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if len(response) < 7:
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print(f"响应数据长度不足: {len(response)} 字节")
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return None
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print(f"收到响应: {response.hex().upper()}")
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# 验证响应
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if response[0] != slave_addr:
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print(f"从站地址不匹配: 期望{slave_addr:02X}, 收到{response[0]:02X}")
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return None
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if response[1] != 0x06:
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print(f"功能码错误: 期望03, 收到{response[1]:02X}")
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return None
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# 验证CRC
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received_crc = response[-2:]
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calculated_crc = self.calculate_crc(response[:-2])
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if received_crc != calculated_crc:
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print("CRC校验失败")
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return None
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return True
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except Exception as e:
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print(f"通信错误: {e}")
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return None
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def read_register(self, slave_addr, register_addr, register_count=1):
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"""
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通用读取寄存器方法
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:param slave_addr: 从站地址
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:param register_addr: 寄存器地址（16位）
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:param register_count: 读取的寄存器数量
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:return: 读取的数据列表
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"""
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if not self.ser or not self.ser.is_open:
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print("串口未连接")
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return None
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# 构建读取指令
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cmd_data = bytes([
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slave_addr, # 从站地址
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0x03, # 功能码：读取保持寄存器
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(register_addr >> 8) & 0xFF, # 寄存器地址高字节
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register_addr & 0xFF, # 寄存器地址低字节
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(register_count >> 8) & 0xFF, # 寄存器数量高字节
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register_count & 0xFF # 寄存器数量低字节
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])
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# 计算CRC
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crc = self.calculate_crc(cmd_data)
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full_cmd = cmd_data + crc
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print(f"发送读取指令: {full_cmd.hex().upper()}")
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try:
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self.ser.reset_input_buffer()
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self.ser.write(full_cmd)
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time.sleep(0.01)
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# 计算预期响应长度
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expected_length = 5 + 2 * register_count # 地址1 + 功能码1 + 字节数1 + 数据2*N + CRC2
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response = self.ser.read(expected_length)
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if len(response) < expected_length:
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print(f"响应数据长度不足: {len(response)} 字节，期望 {expected_length} 字节")
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return None
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print(f"收到响应: {response.hex().upper()}")
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# 验证CRC
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received_crc = response[-2:]
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calculated_crc = self.calculate_crc(response[:-2])
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if received_crc != calculated_crc:
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print("CRC校验失败")
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return None
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# 解析数据
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data_length = response[2]
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data_bytes = response[3:3 + data_length]
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results = []
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for i in range(0, len(data_bytes), 2):
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value = (data_bytes[i] << 8) | data_bytes[i + 1]
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results.append(value)
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return results
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except Exception as e:
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print(f"通信错误: {e}")
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return None
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def main():
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# 创建变频器对象
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inverter = InovanceMD520(port='COM3', baudrate=9600)
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# 连接串口
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if not inverter.connect():
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return
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# 设置频率为55Hz并启动变频器
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def start_inverter_55hz():
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try:
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while True:
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print("\n" + "=" * 50)
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print("汇川MD520变频器频率查询")
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print("=" * 50)
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# 1. 连接到变频器
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# COM3: 串口地址
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# 1: 从站地址
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inverter = minimalmodbus.Instrument('COM3', 1)
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# 2. 配置串口参数
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inverter.serial.baudrate = 9600 # 波特率
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inverter.serial.bytesize = 8 # 数据位
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inverter.serial.parity = 'N' # 无校验
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inverter.serial.stopbits = 1 # 停止位
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inverter.serial.timeout = 1.0 # 超时时间
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inverter.mode = minimalmodbus.MODE_RTU # RTU模式
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print("✅ 已连接到变频器")
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# 3. 设置频率为55Hz
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# 假设最大频率为50Hz，55Hz对应110% = 11000
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# # 如果您的最大频率不同，请调整下面的计算
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# frequency_value = int(70 * 100)
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# inverter.write_register(0x1000, frequency_value)
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# print(f"✅ 频率设置为200Hz")
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# 设置允许频率
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frequency = inverter.set_frequency(slave_addr=0x01, frequency=210.0)
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if frequency is not None:
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print(f"✅ 设置成功")
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else:
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print("❌ 频率设置失败")
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frequency_value = int(210 * 100)
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inverter.write_register(0x7310, frequency_value)
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# 查询运行频率
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frequency = inverter.query_frequency(slave_addr=0x01)
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# freq = inverter.read_register(0x7310)
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# print(f" 读取到的频率值: {freq}")
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if frequency is not None:
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print(f"✅ 当前运行频率: {frequency:.2f} Hz")
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else:
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print("❌ 频率查询失败")
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# max_freq = 300
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# target_freq = 230
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# frequency_value = int(target_freq / max_freq * 100 * 100) # = 2333
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# inverter.write_register(0x1000, frequency_value)
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# time.sleep(0.5) # 等待一下
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# 4. 启动变频器（正转运行）
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inverter.write_register(0x2000, 1) # 1=正转运行
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print("✅ 变频器已启动（正转运行）")
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# time.sleep()
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# 可选：读取其他监控参数
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print("\n--- 其他监控参数 ---")
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# 读取母线电压 (地址1002H)
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voltage_data = inverter.read_register(0x01, 0x1002)
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if voltage_data:
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voltage = voltage_data[0] / 10.0 # 单位0.1V
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print(f"母线电压: {voltage:.1f} V")
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# 读取输出电压 (地址1003H)
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output_voltage_data = inverter.read_register(0x01, 0x1003)
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if output_voltage_data:
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output_voltage = output_voltage_data[0] # 单位1V
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print(f"输出电压: {output_voltage} V")
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# 读取输出电流 (地址1004H)
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current_data = inverter.read_register(0x01, 0x1004)
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if current_data:
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current = current_data[0] / 100.0 # 单位0.01A
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print(f"输出电流: {current:.2f} A")
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# 等待5秒后再次查询
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print("\n等待5秒后继续查询...")
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time.sleep(5)
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except KeyboardInterrupt:
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print("\n用户中断查询")
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# inverter.write_register(0x2000, 6) # 1=正转运行
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# print("✅ 变频器已停止（正转运行）")
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# 5. 检查状态
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time.sleep(1)
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#读取3000H可直接读取变频器的当前状态（0001：正转运行；0002：反转运行；0003：停机；0004：电机参数辨识；0005：故障）。
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status = inverter.read_register(0x3000)
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if status == 1:
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print("✅ 变频器正在正转运行")
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elif status == 5:
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print("⚠️ 变频器故障")
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else:
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print(f"📊 变频器状态码: {status}")
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except SerialException:
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print('无法连接或打开串口')
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except Exception as e:
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print(f"❌ 错误: {e}")
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print("请检查：")
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print("1. COM3端口是否正确？")
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print("2. 变频器电源和通信线是否连接正常？")
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print("3. 变频器地址和波特率设置是否正确？")
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finally:
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# 断开连接
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inverter.disconnect()
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print("脚本执行完成")
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# 运行
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if __name__ == "__main__":
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main()
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start_inverter_55hz()
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93
tests/api_service_test.py
Normal file
93
tests/api_service_test.py
Normal file
@ -0,0 +1,93 @@
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"""
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API接口
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"""
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import sys
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import os
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import time
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from busisness.blls import ArtifactBll,PDRecordBll
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from busisness.models import ArtifactInfoModel,PDRecordModel
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from service.mould_service import app_web_service
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_model_task=None
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artifact_bll=ArtifactBll()
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pdrecord_bll=PDRecordBll()
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if __name__ == "__main__":
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try:
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# 初始化三个列表用于跟踪ArtifactActionID
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processed_artifact_actions = [] # 已处理的ArtifactActionID列表
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processed_pd_records = [] # 已插入PDRecord表的ArtifactActionID列表
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# db = SQLiteHandler.get_instance("db/three.db", max_readers=50, busy_timeout=4000)
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while True:
|
||||
# 测试获取未浇筑管片信息
|
||||
try:
|
||||
not_poured = app_web_service.get_not_pour_artifacts()
|
||||
if not_poured:
|
||||
for item in reversed(not_poured):
|
||||
# 检查MouldCode是否已处理
|
||||
if item.MouldCode in processed_artifact_actions:
|
||||
print(f"待浇筑:MouldCode {item.MouldCode} 已处理，跳过")
|
||||
continue
|
||||
|
||||
_model_data = ArtifactInfoModel(**item.__dict__)
|
||||
artifact_bll.insert_artifact_task(_model_data)
|
||||
# 标记为已处理
|
||||
processed_artifact_actions.append(item.MouldCode)
|
||||
# 限制最多保存3条记录，删除最旧的
|
||||
if len(processed_artifact_actions) > 3:
|
||||
processed_artifact_actions.pop(0)
|
||||
print(f"待浇筑:已处理MouldCode {item.MouldCode}")
|
||||
|
||||
if item.MouldCode in processed_pd_records:
|
||||
print(f"派单:MouldCode {item.MouldCode} 已处理，跳过")
|
||||
continue
|
||||
|
||||
if item.BetonTaskID is not None and item.BetonTaskID != '':
|
||||
#获取taskid
|
||||
if _model_task is None or item.BetonTaskID != _model_task.TaskID:
|
||||
_model_task = app_web_service.get_task_info(item.BetonTaskID)
|
||||
if _model_task is None:
|
||||
print(f"异常:BetonTaskID {item.BetonTaskID} 不存在，跳过")
|
||||
continue
|
||||
|
||||
_pd_record_data = PDRecordModel(
|
||||
ArtifactID=item.ArtifactID,
|
||||
TaskID=_model_task.TaskID,
|
||||
ProjectName=_model_task.ProjectName,
|
||||
ProduceMixID=_model_task.ProduceMixID,
|
||||
BetonGrade=_model_task.BetonGrade,
|
||||
BetonVolume=item.BetonVolume,
|
||||
MouldCode=item.MouldCode,
|
||||
SkeletonID=item.SkeletonID,
|
||||
RingTypeCode=item.RingTypeCode,
|
||||
SizeSpecification=item.SizeSpecification,
|
||||
BuriedDepth=item.BuriedDepth,
|
||||
BlockNumber=item.BlockNumber
|
||||
)
|
||||
|
||||
pdrecord_bll.insert_PD_record(_pd_record_data)
|
||||
# 标记为已处理
|
||||
processed_pd_records.append(item.MouldCode)
|
||||
# 限制最多保存3条记录，删除最旧的
|
||||
if len(processed_pd_records) > 3:
|
||||
processed_pd_records.pop(0)
|
||||
print(f"派单:已处理MouldCode {item.MouldCode}")
|
||||
else:
|
||||
print(f"异常:MouldCode {item.MouldCode} 无BetonTaskID，跳过")
|
||||
|
||||
|
||||
|
||||
except Exception as e:
|
||||
print(f"处理MouldCode {item.MouldCode} 时发生错误: {e}")
|
||||
|
||||
time.sleep(5)
|
||||
except KeyboardInterrupt:
|
||||
|
||||
print("\n测试被用户中断")
|
||||
except Exception as e:
|
||||
|
||||
print(f"测试过程中发生错误: {e}")
|
||||
@ -54,7 +54,7 @@ def test_rfid_functions():
|
||||
"""
|
||||
global rfid
|
||||
# 初始化RFID控制器
|
||||
rfid = rfid_service(host='192.168.250.67', port=6000)
|
||||
rfid = rfid_service(host='192.168.250.77', port=6000)
|
||||
|
||||
# print("=== RFID硬件测试开始 ===")
|
||||
|
||||
|
||||
Reference in New Issue
Block a user