Product Overview

The SCHNEIDER 140NOE77101​is a high-performance Ethernet communication coprocessor module for the Schneider Electric(formerly Modicon)Quantum series of programmable logic controllers(PLCs).As a NOE(Network Option Ethernet)series module,it serves as the primary gateway,connecting the Quantum PLC to 10/100 Mbps Ethernet/IP networks.Installed directly into the Quantum PLC rack,the 140NOE77101​operates as an intelligent network adapter,offloading complex communication tasks from the main CPU.It enables the PLC to participate fully in modern industrial networks,supporting critical functions such as peer-to-peer controller messaging(using Uni-Telway or Modbus Plus bridging over Ethernet),remote programming and monitoring via Unity Pro software,and acting as a scanner or adapter for distributed I/O over Ethernet.In essence,it modernizes the robust but traditionally bus-based Quantum platform,allowing it to communicate seamlessly with HMIs,SCADA systems,other PLCs,and enterprise systems using standard TCP/IP protocols.

Understanding the value of the SCHNEIDER 140NOE77101​requires recognizing its role in system integration and lifecycle extension.For countless installations worldwide,the Quantum PLC platform remains the reliable workhorse for process and manufacturing control due to its ruggedness and determinism.The NOE77101​module breathes new connectivity life into these systems without requiring a costly”rip-and-replace”of the controller.It allows plant engineers to migrate their control networks from slower,proprietary serial buses like Modbus Plus or Uni-Telway to a unified,high-speed Ethernet backbone.This enables real-time data sharing across the plant floor and provides a direct conduit for data to flow into Manufacturing Execution Systems(MES)or Historians.Furthermore,its dual embedded Ethernet ports facilitate the creation of device-level ring(DLR)topologies or simple daisy-chaining,enhancing network resilience and simplifying cabling.For maintenance teams,the module’s web server functionality provides a powerful diagnostic tool,offering configuration pages,I/O and memory status,and network statistics accessible from any standard web browser,making troubleshooting faster and more intuitive.

Technical Specifications

Parameter Name

Parameter Value

Product Model

SCHNEIDER 140NOE77101

Manufacturer

Schneider Electric

Product Type

Ethernet Communication Coprocessor Module

Compatible Platform

Modicon Quantum PLC Series

Network Standards

IEEE 802.3 10/100BASE-TX Ethernet

Ethernet Ports

2 x RJ-45 auto-negotiating,auto-MDI/MDIX ports

Supported Protocols

Modbus TCP/IP(Server&Client),EtherNet/IP(Adapter&Scanner),Uni-Telway over TCP/IP,FTP,BOOTP,DHCP,SNMP,HTTP/HTTPS

CPU Interface

Connects to Quantum backplane(via dedicated coprocessor bus)

Web Server

Integrated web pages for configuration and diagnostics

Configuration Tools

Schneider Unity Pro software(hardware configurator)or web browser

Isolation

1500V RMS(channel-to-channel and channel-to-ground)

Power Consumption

Typical 1.5A 5V DC from backplane

Operating Temperature

0°C to 60°C

Storage Temperature

-40°C to 85°C

Relative Humidity

5%to 95%non-condensing

Certifications

UL,cULus,CE,ATEX(Zone 2)

Main Features and Advantages

The SCHNEIDER 140NOE77101​delivers immense value by transforming a legacy PLC platform into a connected node on the modern Industrial Internet of Things(IIoT).Its foremost technical advantage is its role as a powerful communication coprocessor.By handling all network protocol stacks,data encapsulation,and network management independently of the main Quantum CPU,it liberates significant controller resources.This means the PLC’s primary processor can dedicate its full scan cycle to executing control logic without being bogged down by communication overhead,preserving the deterministic performance for which Quantum controllers are renowned.This architecture ensures that network traffic,whether it’s a programmer uploading a new routine or an HMI polling data,does not interfere with critical real-time control tasks.

Another critical strength is its protocol versatility and bridging capability.The module natively speaks several”languages”essential for industrial integration.It acts as a Modbus TCP server,making all PLC data available to any SCADA or system that supports this universal standard.Simultaneously,its EtherNet/IP scanner/adapter functionality allows seamless integration with Rockwell-controlled devices or other EtherNet/IP compliant equipment.A particularly powerful feature is its ability to act as a gateway,tunneling legacy Uni-Telway or Modbus Plus protocols over Ethernet.This allows existing networks of Quantum PLCs or Magelis HMIs to communicate across an Ethernet infrastructure,preserving investments in existing devices while upgrading the network backbone.The integrated dual-port switch eliminates the need for external network hardware at each node,supporting linear,star,or ring topologies to enhance network availability and simplify wiring.

Dual-Port Embedded Ethernet Switch:​Facilitates daisy-chaining and ring topologies without external switches,saving cost,panel space,and improving network reliability.

Unified Engineering and Diagnostics:​Fully configurable within Schneider’s Unity Pro​software suite and via an integrated web server,providing a single environment for logic,hardware,and network setup with browser-based diagnostics.

Enhanced Security and Management Features:​Supports HTTPS,SNMP for network management,and configurable firewall rules to protect the control system from unauthorized access.

High Availability Design:​Features like duplicate IP detection,network statistics,and support for redundant ring topologies(with appropriate network switches)contribute to overall system uptime.

Lifecycle Extension for Quantum Systems:​Enables existing Quantum PLCs to connect to modern networks and systems,protecting capital investment and delaying costly wholesale platform migrations.

Application Field

The SCHNEIDER 140NOE77101​is ubiquitously deployed in any industry where Schneider Electric’s Modicon Quantum PLC platform forms the core of the automation control system and requires modern Ethernet connectivity.

In Water/Wastewater Treatment​facilities,multiple Quantum PLCs controlling intake pumping,filtration,chemical dosing,and sludge handling are networked using 140NOE77101​modules.This creates a plant-wide Ethernet control network,allowing a central SCADA system to monitor all processes,enabling data historization for regulatory reporting,and allowing for remote diagnostics from a central maintenance office.In Oil&Gas​midstream applications,such as pump stations or terminal automation,the module provides the critical link for transferring flow data,valve status,and alarm information to a central control room over a WAN,while also allowing remote engineering access for support.

It is equally vital in Manufacturing,such as automotive assembly lines or food&beverage processing.Here,the NOE77101​connects the machine-level Quantum controller to the factory’s supervisory network,feeding production counts,machine status(OEE),and quality data to MES systems.It also allows for centralized program updates and alarm notification.In Power Generation​(particularly balance-of-plant control)and Mining&Metals,its rugged design and protocol support make it ideal for integrating PLCs into larger distributed control architectures.Essentially,wherever a reliable Quantum PLC needs to become a communicative citizen on a standard TCP/IP network,the 140NOE77101​is the enabling component.

Related Products

Schneider Modicon Quantum CPU Modules(e.g.,140CPU):*​The main processor units in the rack that the 140NOE77101​module communicates with over the backplane.

Schneider Unity Pro Software:​The essential programming,configuration,and diagnostics suite for the Quantum platform and the NOE77101​module.

Schneider Magelis HMIs&SCADA(e.g.,Vijeo Citect):​The operator interface products that communicate with the Quantum PLC via the Ethernet connection provided by the 140NOE77101.

Schneider Advantys STB Distributed I/O:​Ethernet-based I/O systems that can be directly scanned by the NOE77101​module when configured as an EtherNet/IP scanner.

Schneider 140NOC78*01 Modules:​The legacy Modbus Plus(S908)communication modules,which the NOE77101​can often bridge or replace in a network upgrade.

Schneider M580 ePAC:​The modern,embedded Ethernet programmable automation controller that represents the evolutionary successor to the Quantum+NOE77101​combination.

Managed Industrial Ethernet Switches(e.g.,Schneider ConneXium):​Switches used to build robust network infrastructures connecting multiple 140NOE77101​modules and other devices.

Installation and Maintenance

Pre-installation preparation:Installing a SCHNEIDER 140NOE77101​requires careful network planning.Before physical installation,determine the module’s IP address(static,DHCP,or BOOTP),subnet mask,and gateway.Plan the network topology—whether using a single port to a switch or daisy-chaining via the dual ports.Ensure the Unity Pro project has a backup.Power down the Quantum rack if inserting into a live system is not supported or if it’s the first installation.Have the necessary Ethernet cables(CAT5e or higher,preferably shielded)ready.

Maintenance recommendations:Routine maintenance is largely software-based and proactive.Regularly access the module’s built-in web pages to review diagnostic information such as network statistics,connection status,and system logs.Monitor for any reported communication errors in the Unity Pro software or connected HMI.Ensure the firmware of the 140NOE77101​is kept up-todate with versions recommended by Schneider Electric for compatibility and security.Physically,ensure the Ethernet cables are secure and the rack environment is within specified temperature limits.The most crucial practice is to maintain an archived backup of the complete Unity Pro project,which contains the hardware configuration and all communication parameter settings for the NOE77101.If a module fails,replacement involves noting the IP configuration,swapping the hardware,and in most cases,the new module will be recognized and can be reconfigured from the project backup or via the web interface if the IP is known.

Product Guarantee

We guarantee that every SCHNEIDER 140NOE77101​Ethernet communication module supplied is a genuine Schneider Electric product,sourced through authorized automation distribution channels to ensure full legitimacy,factory-quality,and access to technical support.Each unit undergoes a stringent validation process before dispatch,including a meticulous visual inspection for any transit damage or irregularities,verification of connector integrity,and a powered functional test.The functional test confirms successful power-up,proper LED sequencing,and basic network responsiveness via ping tests.We stand behind our products with a comprehensive warranty and provide expert technical assistance for compatibility verification and basic configuration guidance.Our commitment is to deliver a fully tested,authentic 140NOE77101​module that reliably bridges your critical Modicon Quantum control system to the modern industrial network,ensuring seamless data exchange and protecting your automation investment.

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