QJ71C24N-R2 Universal Model Redundant Power Supply Module 100 To 240 V AC

QJ71C24N-R2 Description

QJ71C24N-R2 Key Features

• Dual Independent Channels: Features two separate communication channels (CH1 and CH2), each configurable for RS-232, RS-422, or RS-485 standards.
• High-Speed Communication: Supports baud rates from 50bps up to 230.4kbps, with a maximum aggregate speed of 230.4kbps across both channels.
• Multi-Protocol Support: Compatible with MC protocol, predefined protocol, non-procedural (free) protocol, and bidirectional protocol for versatile connectivity.
• Flexible Transmission Control: Supports various control signals including DTR/DSR, RS/CS, CD, and software flow control (Xon/Xoff, DC2/DC4).
• Robust Error Detection: Integrates parity check and checksum functions to ensure data integrity and transmission reliability.
• Remote Access Capability: Equipped with modem support and a remote password function for secure remote programming and monitoring.
• Easy System Integration: Designed for standard modular rack mounting, occupying a single slot with straightforward software configuration.
• Industrial-Grade Reliability: Built to withstand harsh industrial conditions with comprehensive electromagnetic compatibility (EMC) and safety certifications.

QJ71C24N-R2 Materials & Applications

Materials

• Housing & Frame: High-strength, flame-retardant thermoplastic engineering plastic with excellent anti-interference and heat dissipation properties.
• Circuit Board: High-precision, multi-layer FR-4 fiberglass epoxy board for stable signal transmission.
• Connectors:
  • RS-232: D-sub 9-pin metal connector
  • RS-422/485: Screw-type terminal block or plug-in connector
   
• Electronic Components: Industrial-grade integrated circuits, resistors, and capacitors for high durability and long service life.
• Internal Structure: Electroplated metal shielding to minimize electromagnetic interference (EMI).

Typical Applications

• Connecting PLC systems to industrial PCs, HMIs, and touch panels for data monitoring and control.
• Interfacing with barcode readers, scanners, and weighing systems in production and logistics lines.
• Communication with measuring instruments, sensors, and analytical equipment for data acquisition.
• Building multi-drop RS-485 networks connecting up to 32 field devices.
• Remote system programming, diagnostics, and maintenance via modem and public telephone lines.
• Integration with printers, text display terminals, and other serial peripherals.
• Data communication in CNC machinery, robotics, and automated assembly lines.

QJ71C24N-R2 Important Parameters