Description

Schneider 140NOE77100

I. Overview

Schneider 140NOE77100 is an industrial-grade Ethernet communication module. It is specially designed as a dedicated network connection component for PLCs of this series, developed for network interconnection of industrial automatic control systems. Its core function is to realize high-speed Ethernet communication between Modicon Quantum series PLCs and other industrial equipment, host computers, SCADA systems and intelligent devices. It undertakes key tasks such as data exchange, remote monitoring, remote diagnosis and maintenance, serving as a core communication hub to ensure networked and intelligent operation of industrial automation systems.

The module supports dual Ethernet interfaces of 10/100 Base-T and 100 FX with a transmission rate up to 10/100 Mbit/s. It is equipped with 8MB flash memory for data storage and a built-in HTTP server to support Web-based configuration and monitoring, delivering convenient and efficient operation.

Manufactured with premium industrial-grade materials, it features a compact structure and IP20 protection rating, fully meeting installation and operation requirements of industrial sites. The operating temperature ranges from 0℃ to 60℃ with excellent environmental adaptability. It can withstand 4kV (contact) and 8kV (air) electrostatic discharge, complying with multiple industrial standards including UL 508, CSA C22.2 No 142 and FM Class 1 Division 2 with high safety and compliance performance.

Unable to operate standalone, the module must be used with Modicon Quantum series PLCs and related industrial equipment and network systems. Although discontinued, refurbished spare parts are still available. It is widely applied in industrial automation, process control, building automation and other fields, providing efficient and reliable communication support for network interconnection of various automation systems.

II. Product Parameters

Parameter Name	Specifications
Model	Schneider 140NOE77100
Manufacturer	Schneider Electric
Product Series	Modicon Quantum Series
Product Type	Industrial-grade Ethernet communication module, dedicated communication module for Modicon Quantum PLC
Core Functions	Ethernet data exchange, remote monitoring, remote diagnosis and maintenance, Web-based configuration and monitoring
Communication Parameters	Protocol: Modbus TCP/IP; Interfaces: 10/100 Base-T, 100 FX Ethernet; Transmission Rate: 10/100 Mbit/s
Storage Parameters	Flash Memory: 8MB, for storing configuration data and related programs
Physical Parameters	Weight: approx. 0.345kg; Protection Grade: IP20; Dimension: 100mm×75mm×30mm
Environmental Parameters	Operating Temperature: 0℃~60℃; ESD Protection: 4kV (Contact), 8kV (Air)
Power Supply Parameters	Operating Voltage: 24V DC; Operating Current: 750mA @ 5V DC
Special Functions	Built-in HTTP server supporting Web configuration and monitoring; Supports Modbus TCP message I/O scanning
Compatible Devices	Modicon Quantum Series PLC, SCADA system, HMI, industrial intelligent equipment

III. Technical Features

High-speed Ethernet Communication: Supports dual 10/100 Base-T and 100 FX Ethernet interfaces with 10/100 Mbit/s transmission speed. It enables high-speed data exchange between PLCs and other equipment/networks, reduces transmission delay, ensures real-time and efficient operation of industrial automation systems, and adapts to data-intensive industrial communication scenarios.
Multi-protocol Compatibility & Flexible Communication: Natively supports Modbus TCP/IP protocol for seamless communication with Modicon Quantum PLCs, SCADA, HMI and other industrial intelligent devices. It also supports Modbus TCP message I/O scanning, simplifying data interaction and improving communication flexibility and compatibility.
Convenient Web Management: Built-in HTTP server supports Web-based configuration and monitoring. No dedicated configuration software is required; parameter setting, operation monitoring and fault diagnosis can be completed via browser, greatly simplifying configuration and maintenance procedures and lowering operation difficulty.
Sufficient Storage & Data Reliability: Equipped with 8MB flash memory to stably store module configuration data, communication logs and programs, preventing data loss and providing data support for subsequent troubleshooting and system upgrade, meeting long-term industrial operation demands.
Excellent Environmental Adaptability: IP20 protection effectively prevents dust and foreign matter ingress, suitable for installation inside industrial control cabinets. Operating temperature 0℃~60℃; compact and rugged industrial structure adapts to on-site temperature fluctuations and harsh working conditions for long-term stable operation.
Easy Installation & Integration: Standardized module design matches Modicon Quantum PLC mounting architecture, enabling fast system integration without complex modification. Small footprint saves installation space, facilitating system layout and expansion in compact industrial environments.
Powerful Remote Operation & Maintenance: Supports remote access, monitoring and diagnosis to realize remote maintenance of PLC systems, reducing on-site workload and maintenance costs, especially suitable for large industrial automation systems and equipment management in remote sites.

IV. Application Scenarios

1. Industrial Automation

Widely used in industrial automatic control systems of CNC machinery, metallurgy, oil & gas, papermaking & printing, textile and other industries. As a dedicated Ethernet communication module for Modicon Quantum PLC, it realizes data exchange and command transmission between PLC, SCADA, HMI, database and other intelligent devices, supporting networked control and intelligent management of automated production lines to improve production efficiency and system controllability.

2. Process Control

Suitable for process control scenarios such as chemical plants, power plants and oil refineries. It realizes data communication and real-time monitoring between process control equipment, collects key process parameters and transmits control commands, guarantees stability and accuracy of process control, avoids production abnormalities caused by communication interruption or delay, and ensures safe and continuous production.

3. Building Automation

Applied in automatic management systems of large buildings and commercial complexes. It connects PLC with HVAC, lighting systems, safety monitoring systems and other building facilities to realize networked management and coordinated control. Remote equipment status monitoring via Web optimizes energy consumption and improves intelligent building management level.

4. Robot Control

Applicable to industrial robot control systems. As a core communication component, it completes data exchange and command transmission between robots and Modicon Quantum PLCs, ensures precise control and coordinated operation of robots, supports stable operation of automated robot production lines, and improves robot working efficiency and reliability.

5. Legacy System Maintenance

As the module is discontinued, it is mainly used for maintenance and replacement of aging Modicon Quantum automation systems. Serving as a direct replacement for original communication modules, it maintains normal communication functions without large-scale modification of existing system architecture, extends service life of legacy systems, reduces upgrade costs, and meets maintenance demands of various old industrial automation systems.