Description
Schneider 140NOE77101
Ⅰ. Overview
Schneider 140NOE77101 is an industrial-grade Ethernet network module, serving as a high-speed communication and transmission unit for industrial automation systems. It realizes seamless connection between Modicon Quantum PLC and Ethernet, and builds a high-speed data interaction channel for PLC, host computer, HMI, smart instruments and other industrial equipment. Meeting communication demands in discrete manufacturing, process control, building automation and other fields, it acts as a core communication component to ensure remote monitoring, data linkage and high-efficiency operation of industrial control systems.
Its main functions include multi-protocol data transmission, Ethernet redundant communication, remote monitoring and fault diagnosis. Equipped with a dedicated built-in processor, it processes transparent Ethernet data, Modbus messages and global data scanning simultaneously, and supports a variety of mainstream industrial communication protocols. Featuring a dual-port redundant architecture, it enables automatic switching between main and backup links to guarantee non-stop communication.
Ⅱ. Product Parameters
| Parameter Name | Specifications |
|---|---|
| Model | 140NOE77101 |
| Manufacturer | Schneider Electric |
| Product Series | Schneider Modicon Quantum Series Ethernet Network Module |
| Product Type | Industrial-grade Ethernet TCP/IP module, for connecting Modicon Quantum PLC to Ethernet and realizing data communication & remote control between devices |
| Compatible Devices | Matches Modicon Quantum series PLC and standard racks; compatible with host computers, HMI and smart instruments; intercommunicates with third-party devices such as Siemens S7-1200; connects to SCADA and DCS systems |
| Processor | Dedicated onboard processor; optimizes communication cycle time; ensures stable and efficient data transmission, fault diagnosis and data storage; supports simultaneous multi-protocol processing |
| Memory | 7 MB user program space; supports 2 GB non-volatile storage for communication configuration, fault logs and other key data to prevent data loss |
| Communication | Dual RJ45 ports, 10/100 Mbps auto-adaptive; supports TCP/IP, Modbus TCP/IP, SNMP, CIP Sync™ and other industrial protocols; processes transparent Ethernet data, Modbus messages and global data scanning concurrently |
| Redundancy | Supports hot standby switching with switching time less than 50 ms; dual-port redundant architecture with automatic main/backup link switching (Firmware V2.0 or higher required) |
| Remote Monitoring | Built-in Transparent Ready Web Server; real-time monitoring of port traffic, frame errors, IP conflicts and other indicators via standard browsers; supports remote deletion of crash log files |
| Physical Characteristics | Modular design for standard Modicon Quantum rack mounting; compact structure with convenient wiring for easy integration and maintenance |
| Power Supply | Powered by Modicon Quantum rack backplane; matched with series standard power supply to ensure continuous and stable module operation |
| Protection & EMC | Industrial-grade design, IP20 protection for control room installation; optional IP67 protection kit for harsh environments; superior electromagnetic interference resistance |
| Ambient Conditions | Operating Temperature: -20°C ~ 60°C; Relative Humidity: 5%–95% non-condensing; suitable for control rooms and harsh industrial sites (with protection kit) |
| Core Functions | Ethernet data transmission, multi-protocol communication, dual-port redundant communication, hot standby switching, Web remote monitoring, fault log recording & remote clearing, global data scanning, third-party device interconnection |
Ⅲ. Technical Features
- High-speed & Stable Communication: Equipped with dual auto-adaptive 10/100 Mbps RJ45 ports and a dedicated onboard processor to optimize communication cycles. It processes multi-type data concurrently with low latency, realizing high-speed data exchange between PLC and field equipment and ensuring stable communication for high-dynamic industrial scenarios.
Wide Multi-protocol Compatibility: Supports mainstream protocols including TCP/IP, Modbus TCP/IP, SNMP and CIP Sync™. It is fully compatible with Schneider CPUs and interworks with third-party devices such as Siemens S7-1200 via Modbus TCP/IP, reducing protocol conversion costs and simplifying system integration.
- High-reliability Redundant Design: Dual-port redundancy and system hot standby with switching time<50 ms effectively avoid communication breakdown caused by single link failure. It ensures continuous system communication and supports 125 μs high-precision synchronous control for robotic welding, laser cutting and other high-reliability demanding occasions.
Convenient Remote O&M: The embedded Transparent Ready Web Server allows one-click remote monitoring and log management through common browsers without extra software. It simplifies on-site commissioning, reduces maintenance costs and improves troubleshooting efficiency.
- Sufficient Storage & Data Security: 7 MB onboard program memory and 2 GB non-volatile storage stably save configuration data and fault logs. Key data can be well retained after power failure, enabling fast communication recovery after restart and improving overall system reliability.
- Flexible Adaptability & Durability: Compact modular structure fits standard Quantum racks for quick installation and replacement. With IP20 standard protection and optional IP67 upgrade, it adapts to indoor control rooms and harsh production sites. Strong anti-vibration and anti-interference performance ensures long-term stable operation in complex industrial electromagnetic environments.
Ⅳ. Application Scenarios
(1) Discrete Manufacturing
Widely applied in automobile parts processing, electronic production, packaging machinery and other discrete production lines. As the core Ethernet communication unit, it connects Modicon Quantum PLC to the factory Ethernet to realize data interaction and remote control of production equipment. High-speed transmission and redundant design guarantee coordinated operation of production lines, avoid shutdown caused by communication faults and boost overall production efficiency.
(2) Process Control Industry
Suitable for petrochemical, water treatment, metallurgy and other process industries. It establishes stable Ethernet communication channels for process control systems, realizing real-time monitoring and transmission of temperature, pressure, flow and other process variables. Seamless connection with transmitters and actuators ensures accurate process regulation, while redundant communication maintains long-term stable operation and improves production safety and compliance.
(3) Building Automation
Used in office buildings, shopping malls, industrial parks and other building automation systems. It connects Quantum PLC to Ethernet for centralized management of HVAC, lighting, security and electromechanical equipment. It supports remote parameter adjustment and status monitoring, simplifies system wiring and integration, and enhances energy-saving performance and intelligent building management.
(4) General Industrial Communication



