Overview
The Schneider Electric 170NEF11021 Modbus Plus communication adaptor is designed to connect Modicon Momentum I/O bases to Modbus Plus networks. Operating at 1 Mbit/s, it supports peer-to-peer token bus communication, allowing fast and deterministic data exchange between PLCs and field devices. This module is ideal for industrial environments requiring robust and scalable networking.
The adaptor supports multidrop topology and can connect up to 31 devices per segment, or 63 across all segments using repeaters. It features LED indicators for power, activity, and communication errors, simplifying diagnostics and maintenance.
The 170NEF11021 is compatible with Compact 984 and Quantum PLCs, making it a flexible solution for legacy and hybrid systems. It draws power directly from the I/O base, reducing wiring complexity and installation time.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | 170NEF11021 |
| Product Type | Modbus Plus Communication Adaptor |
Typical Applications
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Distributed Control Systems: Enables high-speed networking between multiple PLCs and remote I/O stations.
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Process Automation in Chemical Plants: Supports real-time data exchange across hazardous zones.
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Power Generation Facilities: Links turbine controllers and monitoring systems over long distances.
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Manufacturing and Assembly Lines: Provides deterministic communication for synchronized operations.
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Legacy System Integration: Bridges older Modicon platforms with modern networks alongside new installations.
FAQ
Q1: What PLCs are compatible with the 170NEF11021?
A1: It works with Modicon Momentum, Compact 984, and Quantum PLCs.
Q2: What is the maximum cable length supported?
A2: Up to 5000 meters with repeaters.
Q3: How many devices can be connected?
A3: Up to 31 per segment, and 63 across all segments.
Q4: What kind of connector does it use?
A4: It uses a SUB-D 9-pin connector for Modbus Plus.
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| Warranty | 12 Months |
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