Schneider 170NEF11021 Modicon Momentum Modbus Plus Communication Adaptor

Overview

The Schneider 170NEF11021 is a Modbus Plus communication adaptor designed for the Modicon Momentum automation platform. This compact device provides robust communication capabilities between industrial devices by supporting a peer-to-peer token bus network. It integrates seamlessly into Modicon Quantum and Modicon 984 systems. The 170NEF11021 ensures reliable data transfer with a maximum transmission rate of 1 Mbit/s, making it ideal for large-scale industrial environments.

Key Features

• Manufacturer: Schneider Electric
• Product Line: Modicon Momentum
• Part Number: 170NEF11021
• Product Type: Modbus Plus Communication Adaptor
• Communication Protocol: Modbus Plus
• Transmission Rate: 1 Mbit/s
• Communication Topology: Multidrop (with device connecting via extension or tap-off cable)
• Max. Devices per Segment: 31 devices (per segment)
• Max. Devices across Network: 63 devices
• Cable Distance: Up to 5000 meters with a repeater
• Data Format: Peer-to-peer, Token bus
• Power Supply: From I/O base
• Marking: CE
• Local Signaling: 2 LEDs for module status and communication errors
• Electrical Connection: 2 SUB-D 9 connectors (one for Modbus Plus, one for redundant network)

Technical Specifications

Description

The Schneider 170NEF11021 is a vital communication adaptor designed for Modicon Momentum systems, offering seamless connectivity with Modbus Plus networks. This adaptor facilitates high-speed communication between industrial devices with a transmission rate of 1 Mbit/s. The Modbus Plus protocol uses a peer-to-peer token bus topology, allowing for efficient data exchange between up to 31 devices per segment.

This adaptor supports a cable distance of up to 5000 meters when using a repeater, ensuring long-range communication capabilities. It can support up to 63 devices across the entire network, making it an ideal solution for large-scale industrial automation systems.

The 170NEF11021 is engineered with user-friendly features, including two SUB-D 9 connectors—one for the primary Modbus Plus network and another for a redundant network, ensuring continuous operation. It also includes two status LEDs for clear indication of the module’s power state and communication status. The green LED confirms that the module is powered and communicating properly, while the red LEDs indicate any communication errors on networks A or B.

Designed to operate in industrial environments, the 170NEF11021 complies with CE standards and integrates easily into existing Modicon Quantum and Modicon 984 systems. The device’s multidrop topology enables it to connect devices through an extension or tap-off cable, providing flexibility in system design and installation.

Applications

The Schneider 170NEF11021 is ideal for use in large industrial networks requiring reliable and scalable communication between Modicon automation systems. Whether used in Modicon Momentum, Modicon Quantum, or Modicon 984 platforms, it ensures smooth communication between devices, making it perfect for manufacturing, process control, and automation systems.

Why Choose the Schneider 170NEF11021?

• Efficient Communication: Supports Modbus Plus protocol with up to 1 Mbit/s transmission rate.
• Flexible Connectivity: Accommodates up to 31 devices per segment and up to 63 devices across the network.
• Long-Range Communication: Up to 5000 meters with a repeater for extended network coverage.
• Seamless Integration: Compatible with Modicon Momentum, Quantum, and 984 platforms.
• Redundant Network Support: Dual SUB-D 9 connectors for primary and backup Modbus Plus connections.
• Clear Status Indication: LED indicators for power and error notifications.