{"product_id":"mitsubishi-qj71dn91-1","title":"MITSUBISHI QJ71DN91","description":"\u003cp\u003eThe **MITSUBISHI QJ71DN91** is a **network communication module** designed for the **MELSEC Q Series PLCs**. It is primarily used to enable the **Q Series PLC** to connect to **Ethernet networks**, allowing for seamless data exchange and communication with other devices, PLCs, or systems in industrial automation applications. The **QJ71DN91** module supports both **TCP\/IP** and **UDP** communication protocols, making it versatile for various network applications.\u003c\/p\u003e\n\u003cp\u003e### Key Features and Specifications of **MITSUBISHI QJ71DN91**:\u003c\/p\u003e\n\u003cp\u003e1. **Module Type**:\u003cbr\u003e   - The **QJ71DN91** is an **Ethernet communication module** for the **MELSEC Q Series PLC**.\u003cbr\u003e   - It allows the **Q Series PLC** to communicate over an Ethernet network, supporting both **TCP\/IP** and **UDP** communication protocols.\u003cbr\u003e   - The module enables the PLC to connect to a variety of network devices, such as other PLCs, PCs, HMIs, and external systems.\u003c\/p\u003e\n\u003cp\u003e2. **Communication Protocols**:\u003cbr\u003e   - **TCP\/IP**: The **QJ71DN91** supports **TCP\/IP**, enabling reliable communication over Ethernet networks with other Ethernet-enabled devices.\u003cbr\u003e   - **UDP**: The module also supports **UDP** for faster, connectionless communication, which is ideal for applications where speed is a priority over reliability.\u003cbr\u003e   - The module supports **Modbus TCP**, which is a widely used industrial communication protocol for connecting to other Modbus-compatible devices.\u003c\/p\u003e\n\u003cp\u003e3. **Ethernet Connection**:\u003cbr\u003e   - The module connects to the network via a standard **RJ45** Ethernet port.\u003cbr\u003e   - It supports both **10 Mbps** and **100 Mbps** Ethernet speeds, offering flexibility for various network configurations.\u003cbr\u003e   - The module is compatible with **Ethernet-based communication standards**, which makes it suitable for modern industrial networks.\u003c\/p\u003e\n\u003cp\u003e4. **Device Integration**:\u003cbr\u003e   - The **QJ71DN91** module allows the **Q Series PLC** to exchange data with other devices on the network, enabling **data logging**, **remote monitoring**, and **remote control** applications.\u003cbr\u003e   - It can be used for **connecting PLCs together** in a network, integrating the **Q Series PLC** into larger systems, or providing connectivity to third-party equipment such as sensors, actuators, and machines.\u003c\/p\u003e\n\u003cp\u003e5. **Modular Integration**:\u003cbr\u003e   - The **QJ71DN91** is designed to slot directly into the **Q Series PLC** rack, allowing for easy installation and integration without the need for additional hardware.\u003cbr\u003e   - It communicates directly with the **Q Series PLC’s backplane**, providing fast and efficient data transfer.\u003c\/p\u003e\n\u003cp\u003e6. **LED Indicators**:\u003cbr\u003e   - The **QJ71DN91** module features **LED indicators** to show the status of the Ethernet connection, data transmission, and other relevant operational conditions.\u003cbr\u003e   - These indicators provide useful diagnostics for troubleshooting and ensuring the module is operating correctly.\u003c\/p\u003e\n\u003cp\u003e7. **Software Support**:\u003cbr\u003e   - The **QJ71DN91** is programmed and configured using **Mitsubishi GX Works2** or **GX Developer** software.\u003cbr\u003e   - The software allows users to set up network parameters such as IP addresses, communication protocols, and port configurations, ensuring seamless integration into the network environment.\u003c\/p\u003e\n\u003cp\u003e8. **Security**:\u003cbr\u003e   - The **QJ71DN91** module offers **network security features**, including basic security settings for communication over the Ethernet network.\u003cbr\u003e   - While not highly advanced in security, it ensures basic protection against unauthorized access to the system through the network.\u003c\/p\u003e\n\u003cp\u003e9. **Applications**:\u003cbr\u003e   - **Industrial Automation**: The module is ideal for factory automation applications where Ethernet communication is required for integration with other automation systems, including **robotics**, **conveyor systems**, and **machine monitoring**.\u003cbr\u003e   - **Remote Monitoring**: The **QJ71DN91** is often used in applications that require remote monitoring and control over Ethernet networks, such as **data acquisition systems** or **SCADA systems**.\u003cbr\u003e   - **PLC-to-PLC Communication**: It can be used to establish communication between multiple **Q Series PLCs** in a distributed control system, enhancing the scalability and flexibility of the system.\u003c\/p\u003e\n\u003cp\u003e### Technical Specifications:\u003c\/p\u003e\n\u003cp\u003e- **Type**: Ethernet Communication Module for **MELSEC Q Series PLC**\u003cbr\u003e- **Supported Communication Protocols**: **TCP\/IP**, **UDP**, and **Modbus TCP**\u003cbr\u003e- **Ethernet Speed**: Supports **10 Mbps** and **100 Mbps** Ethernet speeds\u003cbr\u003e- **Network Interface**: Standard **RJ45** Ethernet port\u003cbr\u003e- **LED Indicators**: For Ethernet connection status, communication status, and errors\u003cbr\u003e- **Software Support**: Configured via **Mitsubishi GX Works2** or **GX Developer**\u003cbr\u003e- **Mounting**: Easily mounts to the **Q Series PLC rack**\u003cbr\u003e- **Power Supply**: Powered via the **PLC backplane**\u003cbr\u003e- **Operating Environment**: **0°C to 55°C** temperature range\u003cbr\u003e- **Communication Range**: Up to a **100-meter Ethernet cable** length (depending on network setup)\u003c\/p\u003e\n\u003cp\u003e### Applications:\u003c\/p\u003e\n\u003cp\u003e- **Factory Automation**: Ideal for applications that require **Ethernet-based communication** for connecting PLCs, sensors, actuators, or other networked devices in factory automation.\u003cbr\u003e- **PLC-to-PLC Communication**: Used for integrating multiple PLCs in a distributed control system, enabling seamless communication between different parts of the plant or system.\u003cbr\u003e- **Remote Monitoring and Control**: Facilitates **remote access** and **data logging** via Ethernet networks, making it suitable for SCADA systems or remote diagnostic tools.\u003c\/p\u003e\n\u003cp\u003e### Summary:\u003c\/p\u003e\n\u003cp\u003eThe **MITSUBISHI QJ71DN91** is a highly versatile **Ethernet communication module** for **MELSEC Q Series PLCs**, providing seamless integration with **Ethernet networks**. It supports **TCP\/IP**, **UDP**, and **Modbus TCP**, enabling reliable and efficient communication for industrial applications. The module is easy to install, integrates directly with the PLC rack, and is configured using **Mitsubishi GX Works2** or **GX Developer** software. Ideal for applications such as **factory automation**, **PLC-to-PLC communication**, and **remote monitoring**, the **QJ71DN91** enhances the connectivity and scalability of **MELSEC Q Series PLC** systems in modern industrial environments.\u003c\/p\u003e","brand":"Ram Automations","offers":[{"title":"Default Title","offer_id":49298671239510,"sku":"RAMA100000365","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/5554\/5686\/files\/ram-automations_16d5d618-81fc-46ba-9f03-d52b8e9554fb.png?v=1731587546","url":"https:\/\/ramautomations.com\/products\/mitsubishi-qj71dn91-1","provider":"Ram Automations","version":"1.0","type":"link"}