Product Details

Modicon 416NHM21200 is a reliable modbus plus adapter and high-performance network interface module designed for Modicon Quantum PLC racks. This plc communication card establishes a Modbus Plus industrial network link, enabling high-speed peer-to-peer data exchange between Quantum CPUs, remote I/O racks, HMI terminals and other compatible Modicon automation devices. It transfers real-time process tags, alarm signals and setpoint data across the network, supporting master-slave communication and distributed interlock logic. The module plugs directly into the Quantum backplane and works seamlessly with the rack CPU to handle network protocol processing, offloading communication tasks from the main processor. Equipped with status LEDs and a dedicated network terminal port, it simplifies field commissioning and fault checking. Built with industrial-grade components and robust surge protection, it can run continuously in harsh factory environments with electrical noise and vibration. As a discontinued legacy spare, this modbus plus adapter serves as a drop-in replacement to restore Modbus Plus network connectivity for ageing Modicon Quantum automation racks.

Basic Parameters

Brand: Modicon (Schneider legacy)

Model: 416NHM21200

Product Type: Modbus Plus Communication Adapter Module

Compatible Rack: Modicon Quantum backplane and chassis

Network Protocol: Modbus Plus

Data Rate: 1 Mbps

Connection: Modbus Plus bus terminal connector

Mounting: Single-slot backplane installation

Indicator: Front LED for power, network activity and fault status

Power: Supplied via Quantum rack backplane

Product Status: Discontinued, end of original production

Net Weight: Approximately 0.38 kg

Supported Functions

This modbus plus adapter manages all Modbus Plus protocol communication for the host Quantum PLC. The network interface module supports cyclic data exchange, event messaging and peer communication among multiple network nodes. This plc communication card transmits discrete and analog values, alarm information and recipe data between controllers and supervisory equipment. It performs automatic network diagnosis, detects bus short circuit, signal loss and node conflict, and reports fault codes to the CPU. When network anomalies occur, it avoids abnormal data transmission to protect the running process. It can cooperate with Quantum CPU, analog input/output modules, discrete I/O modules and remote I/O adapters to build a complete distributed control network.

Core Functions

As a dedicated network interface module, this modbus plus adapter acts as the bridge between the Quantum backplane and the Modbus Plus field bus. It packages and parses network messages, allowing the PLC to share data with other legacy Modicon devices without extra protocol conversion. This plc communication card works as a direct spare to rebuild high-speed network communication for ageing Modicon Quantum automation racks.

Hardware Specifications & Environmental Features

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -20°C ~ +70°C

Relative Humidity: 5%–95%, non-condensing

Housing: Compact industrial plastic single-slot module

Protection: Onboard transient and ESD suppression, network short-circuit detection

Anti-interference: Isolated network circuit and noise filtering for bus signals

Compatibility: Modicon Quantum CPU, Quantum I/O modules, Modbus Plus compatible nodes

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note: Confirm Quantum rack compatibility, Modbus Plus bus termination, node address and network wiring before ordering.

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