client = ModbusTcpClient(HOST, port=PORT) client.connect()
if not rr.isError(): # Combine two 16‑bit registers into a 32‑bit float (big‑endian) raw = rr.registers[0] << 16 | rr.registers[1] distance_mm = struct.unpack('>f', raw.to_bytes(4, 'big'))[0] print(f"Measured distance: distance_mm:.3f mm") else: print("Modbus error:", rr) jul-720
If you are looking for a scientific paper, "jul-720" matches the citation location for: client = ModbusTcpClient(HOST, port=PORT) client
HOST = "192.168.0.100" PORT = 502
| Pin | Function | Typical Wiring | |-----|----------|----------------| | | +24 V DC | Connect to PLC or DIN‑rail PSU | | 2 | GND | Common ground with controller | | 3 | Ethernet TX+ | Straight‑through to switch/router | | 4 | Ethernet TX‑ | Straight‑through to switch/router | | 5 | Ethernet RX+ | Straight‑through to switch/router | | 6 | Ethernet RX‑ | Straight‑through to switch/router | | 7 | RS‑485 A (optional) | Pair with B to PLC (120 Ω termination) | | 8 | RS‑485 B (optional) | Same as above | client = ModbusTcpClient(HOST