MITSUBISHI QJ72BR15

Brand: Mitsubishi
Model:QJ72BR15

Inventory situation: Goods are available in stock.

Product features

The Mitsubishi QJ72BR15 is a high-performance remote I/O station module specifically intended for industrial automation systems. As part of the MELSEC Q Series portfolio, this module is critical for linking scattered equipment and providing seamless communication in production environments.

The QJ72BR15 supports the MELSECNET/H network protocol, which enables 10 Mbps high-speed data transmission using coaxial cables (3C-2V or 5C-2V). It can support up to 33 stations per network, including one remote master station and 32 remote I/O stations, with a maximum total distance of 300-500 meters (extendable to 2.5 kilometers using repeaters). This makes it perfect for large-scale production lines, where real-time control is required.

With 8,192 LX/LY points and 16,384 LB/LW points, the QJ72BR15 module effectively controls input/output signals from sensors, actuators, and other devices. Its HDLC standard frame format enables dependable data transport, while diagnostics such as line monitoring and error detection improve system stability. The tiny dimensions (98 x 27.4 x 90 mm) and lightweight (0.16 kg) make installation simple, especially in tight spaces.

Specifications

Product Series	MELSEC Q
Communication Speed	Fixed 10 Mbps
Station Count Limit	Up to 33 stations per network (1 remote host station + 32 remote I/O stations)
Internal Power Supply	DC 5V
Coaxial Cable Interface	BNC connector, supports 3C-2V / 5C-2V / 5C-FB coaxial cables
Dimensions	98 mm (height) × 27.4 mm (width) × 90 mm (depth)
International Standards	CE (LVD/EMC), UL 508, KC (EMC), LR (Lloyd's Register) certification, etc.
Data Throughput	Maximum unilateral data per station ≤ 1600 bytes ((LY + LB)/8 + 2 × LW)

Precautions

Install the Mitsubishi QJ72BR15 in a clean, dry area away from direct sunlight, severe temperatures, and strong vibrations. To avoid overheating, ensure that the environment is well ventilated. Avoid positioning the module near high-voltage equipment or electromagnetic interference (EMI) sources, which might interrupt communication signals. To avoid damage caused by inadvertent movement, always firmly fasten the module to the Q-series PLC base unit with the included screws.

To ensure reliable interaction with the Mitsubishi QJ72BR15, utilize 3C-2V or 5C-2V coaxial cables that fulfill the module's wiring standards. These connections are necessary for ensuring stable data transfer at 10Mbps, which is an important aspect of the Mitsubishi QJ72BR15's performance. Avoid twisting or bending the wires abruptly, since this can reduce signal quality, which is critical for the Mitsubishi QJ72BR15's network efficiency. When mounting connectors, make sure they're correctly soldered and shielded to avoid noise interference, which has a direct impact on the Mitsubishi QJ72BR15 signal integrity. Never bundle communication wires with power lines; keep them at least 100mm away to reduce electromagnetic interference, a typical problem with the Mitsubishi QJ72BR15's operation.

Before turning on the system, setup the Mitsubishi QJ72BR15 with GX Developer software. Set network parameters, such as station addresses and communication protocols, based on your system's needs. After making modifications, reset the CPU module to ensure that the adjustments are applied appropriately. Always use offline diagnostics to examine the configuration for issues before deploying it fully.

FAQ

Q: What is the Mitsubishi QJ72BR15, and what are its primary functions?

A: The Mitsubishi QJ72BR15 is a MELSECNET/H Remote I/O Module intended for industrial automation applications. It functions as a remote I/O station in coaxial bus networks, allowing for high-speed communication between PLCs and distributed I/O devices. Key features include real-time data interchange at 10 Mbps and support for 8,192 link points per network. It is compatible with coaxial cables such as 3C-2V, 5C-2V, and 5C-FB, enabling cost-effective network configuration. The module can support up to 33 stations (one remote master and 32 remote I/O stations) and 239 networks, making it ideal for large-scale industrial applications. It employs token bus communication and Manchester encoding to enable dependable, collision-free data delivery.

Q: What are the technical specifications of the Mitsubishi QJ72BR15?

A: Key specifications include a communication speed of 10 Mbps across a single-layer bus architecture using the token bus protocol. The module supports coaxial cables of up to 300 meters (3C-2V) or 500 meters (5C-2V/5C-FB), which can be extended to 2.5 kilometers with repeaters (A6BR10/A6BR10-DC). It has dimensions of 98 x 27.4 x 90 mm, weighs 0.16 kg, and consumes 1.10 A at 5 V DC. Remote password protection and LED fault detection are among the safety measures that ensure secure and reliable functioning.

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