140NOC78000

The Schneider Electric 140NOC78100 is a high-performance Ethernet control network module designed for the Modicon Quantum PLC platform. It serves as a powerful communication interface, enabling real-time data exchange between controllers, distributed I/O, and industrial networks using Modbus TCP and EtherNet/IP protocols.

Built for mission-critical automation systems, this module combines high-speed communication, redundancy, and advanced network services, making it ideal for large-scale industrial environments where uptime, scalability, and performance are essential.

Technical Specifications

Parameter	Specification
Product Type	Ethernet Control Network Module
Platform	Modicon Quantum
Communication Protocols	Modbus TCP, EtherNet/IP
Ethernet Ports	RJ45 (10BASE-T / 100BASE-TX)
Transmission Rate	10 / 100 Mbit/s
Exchange Mode	Full Duplex
Max Connections	Up to 64 simultaneous connections
Embedded Switch	4-port Ethernet switch
Network Services	SNMP, DHCP/BootP, QoS, NTP, SMTP, CIP messaging
Redundancy	Hot standby architecture
Network Topology	Daisy chain, redundant ring (RSTP support)
Diagnostics	Embedded web server + LED indicators
Bus Current Requirement	~360–400 mA @ 5 V DC
Power Supply	Supplied via Quantum backplane
Operating Temperature	0 °C to 60 °C
Storage Temperature	–40 °C to 85 °C
Dimensions (H × W × D)	155 × 110 × 45 mm (standard Quantum module size)
Weight	Approx. 0.34 – 0.35 kg

Recommended Related Models

140NOC78100C – Conformal coated version
140NOC78000 – Ethernet I/O head module (higher connection capacity)
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140CRA93200C – RIO Drop Adaptor Module
140NOE77101 – Ethernet Communication Module

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Applications

The 140NOC78100 is widely deployed in automation systems requiring reliable Ethernet communication and distributed control:

Large manufacturing and assembly systems
Process industries (oil, gas, chemical, utilities)
Distributed I/O architectures
SCADA and HMI network integration
High-availability systems with redundant communication

Advantages

Reliable Redundancy: Hot standby architecture ensures continuous operation even during network failures.
Integrated 4-Port Switch: Simplifies wiring and reduces the need for external networking hardware.
Flexible Network Topologies: Supports ring and daisy chain configurations for scalable system design.
Advanced Network Services: Includes SNMP, QoS, NTP synchronization, and embedded router functionality.
High Compatibility: Works seamlessly with Quantum CPU 140CPU6xxxx series and existing automation infrastructure.

Technical FAQs

What is the main function of the 140NOC78100?
It enables Ethernet-based communication between Quantum PLCs and distributed devices.
Which protocols are supported?
Modbus TCP and EtherNet/IP are supported.
How many devices can it connect to?
Up to 64 simultaneous connections.
Does it support redundancy?
Yes, it supports hot standby redundant architecture.
What is the transmission speed?
10/100 Mbps Ethernet communication.
Does it include an Ethernet switch?
Yes, a built-in 4-port switch is included.
What are the module dimensions?
155 × 110 × 45 mm.
What is the module weight?
Approximately 0.34–0.35 kg.
Is it still in production?
It has been discontinued, with end-of-service timelines defined by Schneider Electric.
What makes this module stand out?
Its combination of redundancy, embedded switch, and advanced Ethernet services makes it ideal for mission-critical industrial networks.