Mitsubishi QJ61BT11N MELSEC-Q Series CC-Link Master/Local Module

Mitsubishi Electric MELSEC-Q series QJ61BT11N is a CC-Link system master/local module for industrial fieldbus communication. Supports CC-Link version 1 and version 2, and can be used as a master station, local station, or standby master station. Handles both cyclic transmission for consistent I/O updates and transient transmission for message communication, with independent paths ensuring link scan time is not affected even during high message traffic.

Applications:

• Remote I/O control and distributed automation systems

• Connecting intelligent device stations, local stations, and other CC-Link compatible devices

• Factory automation networks requiring high-speed cyclic data exchange

• Multi-vendor CC-Link network integration

Technical Specifications:

Core Specifications

• Product type: CC-Link system master/local module (Q series)

• Station types supported: master station, local station, standby master station

• Network protocol: CC-Link (Ver.1 / Ver.2)

• Transmission path: Bus (RS-485)

• Communication method: Broadcast polling method

• Synchronization method: Frame synchronization method

• Encoding method: NRZI (Non Return to Zero Inverted)

• Transmission format: HDLC compliant

• Error control method: CRC (X¹⁶ + X¹² + X⁵ + 1)

Performance Specifications

• Communication speed (selectable): 156 kbps, 625 kbps, 2.5 Mbps, 5 Mbps, 10 Mbps

• Maximum number of connected stations (master station): 64 devices

• Number of occupied stations (local station): 1 to 4 stations (configurable via programming tool)

• I/O occupied points: 32 points (I/O assignment: Intelligent 32 points)

Link Points Per System (Ver.2)

• Remote inputs/outputs (RX, RY): 8192 points max.

• Remote registers (RWw): 2048 points max.

• Remote registers (RWr): 2048 points max.

Expanded Cyclic Setting Link Points (Ver.2)

• Single setting: RX/RY 32 points (30 for local), RWw 4 points, RWr 4 points

• Double setting: RX/RY 32 points (30 for local), RWw 8 points, RWr 8 points

• Quadruple setting: RX/RY 64 points (62 for local), RWw 16 points, RWr 16 points

• Octuple setting: RX/RY 128 points (126 for local), RWw 32 points, RWr 32 points

Physical Specifications

• 5 V DC internal current consumption: 0.46 A

• External dimensions (H × W × D): 98 mm × 27.4 mm × 90 mm

• Weight: approx. 0.12 kg

• Enclosure rating: IP20

• Mounting: Base unit

Environmental Specifications

• Operating temperature: 0 °C … 55 °C

• Storage temperature: –20 °C … 65 °C

• Operating humidity: 35% … 85% RH (non‑condensing)

Communication Cable

• Ver.1.10‑compatible CC-Link dedicated cable

• CC-Link dedicated cable (Ver.1.00‑compatible)

• CC-Link dedicated high‑performance cable (Ver.1.00‑compatible)

Standards & Compliance
Refer to manufacturer official documentation for detailed certification and compliance information.

System Integration:

• This module belongs to the Mitsubishi Electric MELSEC‑Q series.

• Installs into any MELSEC‑Q series main base unit or expansion base unit slot.

• Compatible with Q series CPU modules (Qn, QnH, QnPH, QnPRH, QnU series).

• Configuration performed using GX Works2 or GX Developer engineering software.

• Supports system reliability functions including automatic device station initialization, interrupt program event issuance, and standby master function.

Related Products:

• Q61P – Power supply module for MELSEC‑Q series base units

• Q03UDECPU – MELSEC‑Q series CPU unit

• AJ65BT series – CC‑Link remote I/O stations and intelligent device stations

• CC‑Link dedicated cable (Ver.1.10‑compatible) – shielded twisted‑pair cable for network wirin