Mitsubishi QJ61BT11N Control & Communication Link System QJ61BT11N

Description:

The Mitsubishi QJ61BT11N is a control and communication link module used in industrial automation systems to enable high-speed CC-Link network communication between PLCs and distributed I/O devices. Commonly installed in Mitsubishi MELSEC-Q series PLC racks and control cabinets, it functions as a master or local station within CC-Link networks. Maintenance teams and system integrators use this module for network integration, distributed control expansion, automation upgrades, and replacement of legacy communication modules.

Applications:

The Mitsubishi communication module is used in industrial automation environments requiring reliable, real-time data exchange across networked devices. Typical applications include conveyor systems, packaging machinery, material handling equipment, robotic systems, assembly lines, and process automation systems where distributed I/O and synchronized control are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): QJ61BT11N
• Product Type: PLC Communication Module (CC-Link Master/Local Unit)
• Series: MELSEC-Q
• Network Type: CC-Link Ver.1 / Ver.2
• Communication Speed: 156 kbps, 625 kbps, 2.5 Mbps, 5 Mbps, 10 Mbps (selectable)
• Max Connected Stations: 64 devices
• Transmission Medium: RS-485 bus network
• Max Cable Distance: Up to 1200 m (speed dependent)
• Remote I/O Capacity: Up to 8192 points (Ver.2)
• Remote Register Capacity: Up to 2048 points (Ver.2)
• Communication Method: Broadcast polling
• Encoding Method: NRZI
• Error Control: CRC
• Occupied I/O Points: 32 points
• Internal Current Consumption: ~0.46 A (5V DC)
• Mounting Type: MELSEC-Q rack mount
• Dimensions: Approx. 98 × 27.4 × 90 mm

Common Replacements:

• Mitsubishi QJ61BT11
• Mitsubishi QJ61BT11N-R2
• Mitsubishi QJ71E71-100