170NEF11021

Overview

170NEF11021 is a Schneider Modbus Plus communication adaptor designed for Modicon Momentum automation platforms, enabling peer-to-peer token bus communication.

Compatibility

• Platform: Modicon Momentum

• Bus Manager PLC: Compact 984, Quantum

Communication

• Protocol: Modbus Plus

• Access Method: Peer to peer, token bus

• Transmission Rate: 1 Mbit/s

• Medium: Twisted pair

• Topology: Multidrop with extension or tap off cable

Network Capacity

• Devices per Segment: 0–31

• Devices per All Segments: 0–63

• Max Cable Distance: 5000 m with repeater

Data and Fail-Safe

• Data Format: 984

• Fail States: Full scale value, maintain value, fallback to zero, forcing to zero

Power and Indicators

• Supply: From I/O base

• Indicators:

• Green LED for power/communication (MB + ACT)

• Red LED for communication error network A (ERR A)

• Red LED for communication error network B (ERR B)

Electrical Connections

• Connectors:

• 1 x SUB-D 9 for Modbus Plus network

• 1 x SUB-D 9 for redundant Modbus Plus network

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