Mitsubishi QJ71MB91 - PLC Network Communication Module
Technical Specifications of Mitsubishi PLC Network Communication Module QJ71MB91:

| Brand | Mitsubishi |
| Product Type | PLC Counter & Network Module |
| Product | QJ71MB91 |
Mitsubishi PLC Network Communication Module QJ71MB91 Technical Specifications
| Specification | Value |
|---|---|
| Series | MELSEC-Q SERIES |
| Type | MASTER/LOCAL STATION |
| Network Interface | MODBUS RTU/MODBUS ASCII |
| Depth (mm) | 90 |
| Weight (kg) | 0,2 |
| Width (mm) | 27,4 |
| Height (mm) | 98 |
The Mitsubishi QJ71MB91 Programmable Logic Controller is a communication module from the MELSEC-Q SERIES designed for Modbus RTU/Modbus ASCII network connectivity. With dimensions of 27.4mm width, 98mm height, and 90mm depth, it supports efficient data transmission and reliable communication across industrial control systems, maintaining compact form and robust design.
The Mitsubishi QJ71MB91 is used across diverse applications such as packaging lines, process automation, assembly systems, and machine networks. Its Modbus interface enhances interoperability between PLCs and field devices, ensuring consistent data flow, minimized latency, and dependable control performance in automation processes.
The Mitsubishi QJ71MB91 Programmable Logic Controller offers dependable Modbus RTU/ASCII communication within the MELSEC-Q SERIES, enabling efficient system integration. Backed by Mitsubishiβs engineering precision, it ensures long-term stability, compatibility with industrial equipment, and consistent reliability in demanding industrial environments, making it a trusted choice for automation engineers and system integrators.







