Mitsubishi Electric MELSEC-Q QJ71C24N-R4 Serial Communication Module (Made in Japan):
- Technical Specifications: Dual-channel serial interface (Channel 1: RS-422/RS-485 2-wire/4-wire; Channel 2: RS-422/RS-485 2-wire/4-wire), transmission speed up to 230.4 kbps (230,400 bps), communication protocols: MC Protocol (QnA-compatible / 4E/3E/1E frames), Non-Procedural protocol, Bidirectional protocol, Modbus-RTU master/slave, internal 5V DC current consumption 0.39A, occupying 32 I/O points on MELSEC-Q base racks, terminal block connection type, Product of Mitsubishi Electric Corporation Japan.
- Dual High-Speed RS-422/485 Serial Channels: Simultaneously interfaces with two independent networks of variable frequency drives, temperature controllers, barcode scanners, and smart power meters.
- High-Speed Transmission up to 230.4 kbps: Accelerates telemetry data acquisition and setpoint downloads across distributed multi-drop field devices.
- Native MELSEC MC Protocol & Modbus-RTU Support: Enables seamless integration with third-party instruments, HMIs, and SCADA without complex low-level ladder logic coding.
- Flexible 2-Wire & 4-Wire Multi-Drop Topologies: Connects up to 32 multidrop slave nodes per channel over long transmission distances up to 1,200 meters.
- Seamless GX Works2/GX Works3 Parameter Setup: Simple point-and-click serial port configuration and pre-defined protocol support for rapid commissioning.
- Applications: Factory automation PLC networks, VFD inverter multi-drive control, distributed temperature PID loop monitoring, and robotic cell coordination.
