Product Description

QJ71MB91 DISCONTINUED BY MANUFACTURER MODBUS RTU MASTER MODULE R-232 & RS-422/485 300-115200BPS 32 SLAVES PER CHANNEL 4K WORDS 64K POINTS MODBUS SIZE 32 I/O POINTS The Mitsubishi Communication Module QJ71MB91 is a versatile interface designed for seamless integration with Mitsubishi PLC systems, facilitating both MODBUS Serial Protocol Master and Slave functionalities. This module enables reliable communication between PLCs and MODBUS-compatible devices, making it ideal for industrial automation applications. It supports high-speed data transmission and offers robust error-checking mechanisms to ensure data integrity. With its user-friendly configuration and compatibility with a range of MODBUS devices, the QJ71MB91 enhances system flexibility and scalability, making it a valuable addition to any sophisticated automation setup.

Technical Specifications

• Model: QJ71MB91
• Communication Protocol: MODBUS Serial (RTU/ASCII)
• Functionality: Master and Slave
• Interface: RS-232/RS-485
• Transmission Speed: Up to 115.2 kbps
• Data Format: 8 data bits, 1 stop bit, no parity (configurable)
• Communication Distance: RS-232 up to 15 meters, RS-485 up to 1,200 meters
• Connector Type: 9-pin D-sub (RS-232), Terminal block (RS-485)
• Power Supply: 24V DC (±10%)
• Current Consumption: 150 mA (typical)
• Operating Temperature Range: 0°C to 55°C
• Operating Humidity Range: 30% to 85% RH (non-condensing)
• Compliance: CE, UL, cUL