Product Overview

The Eaton ELC-PV28NNDT stands as a high-performance cornerstone within the ELC2 generation, delivering advanced 32-bit processing power in a modular nano-PLC footprint. This controller addresses the rigorous demands of high-speed industrial machinery, where rapid execution of logic is paramount for maintaining system synchronization. By utilizing a 32-bit CPU, the ELC-PV28NNDT significantly reduces scan times compared to standard micro-controllers, allowing it to manage complex mathematical operations and high-speed pulse inputs with exceptional precision. With a dense configuration of 28 built-in I/O points—consisting of 16 versatile digital inputs and 12 high-speed transistor outputs—this unit provides the perfect balance of scale and speed for localized control systems, assembly lines, and specialized OEM equipment.

Core Technical Advantages

High-Speed 32-Bit Processing

The ELC2 architecture utilizes a 32-bit RISC processor that executes instructions with remarkable efficiency. This hardware advantage enables the controller to handle sophisticated PID loops and high-frequency motion control tasks that typically require much larger and more expensive PLC systems.

Versatile Sinking/Sourcing Inputs

The 16 digital inputs support both Sink and Source configurations (24VDC), providing maximum flexibility when integrating various sensor types. This adaptability simplifies the bill of materials for engineers, as the ELC-PV28NNDT can interface with almost any NPN or PNP field device without additional signal conditioning.

Efficient Transistor Output Array

The 12 NPN transistor outputs provide high-speed switching capabilities with a 300mA capacity per point. These outputs excel in applications requiring pulse-width modulation (PWM) or rapid cycling of solenoid valves and small DC relays, where mechanical relay lifespan would be insufficient.

Technical Specifications

Engineering Installation Guide

Power Supply Integrity

The ELC-PV28NNDT requires a stable 24VDC power source. Ensure that the power supply ripple remains within 5% to prevent internal logic resets. We recommend utilizing a dedicated industrial power supply to isolate the PLC from high-power inductive loads that may induce electrical noise.

Wiring and Grounding

When wiring the 16 digital inputs, ensure signal cables are separated from high-voltage AC lines to minimize electromagnetic interference (EMI). Connect the ELC ground terminal to the main panel earth bar using the shortest possible path to ensure the internal 32-bit CPU remains shielded from transient surges.

Heat Dissipation and Clearance

Although the unit only consumes 6W, maintain a minimum clearance of 50mm above and below the PLC when mounted on the DIN rail. This space allows for natural airflow, ensuring that the transistor outputs can operate at their full 0.3A rating without thermal derating in enclosed control cabinets.

Engineering Advantages

The ELC-PV28NNDT excels in precision-driven environments where space is at a premium but processing speed cannot be compromised. Its robust construction ensures long-term reliability in high-vibration applications such as conveyor sorting or automated testing rigs. The ELC2 series' compatibility with advanced communication protocols allows this PLC to serve as an intelligent node within a larger SCADA network. By integrating this controller, engineers secure a future-proof hardware platform that handles high-density I/O tasks while maintaining the thermal efficiency required for tightly packed industrial control panels.

Delivery & Logistics

Delivery Time: 3-5 days once payment is finalized.

Shipping Carriers: Shipped globally via DHL, FEDEX, or UPS.

Packaging: We dispatch all units in anti-static and impact-resistant packaging. Every PLC is shipped in its original factory-sealed box to guarantee that the 32-bit hardware remains in pristine condition from our facility to your site.

Technical FAQs

Q1: What is the primary difference between the ELC-PV and the standard ELC-PB models?

A1: The PV series is part of the ELC2 generation, featuring a significantly faster 32-bit CPU and increased memory capacity compared to the standard PB models, making it suitable for more complex logic and faster scan times.

Q2: Can I use this controller to drive high-speed stepper motors?

A2: Yes, the transistor outputs on the ELC-PV28NNDT are capable of high-speed pulse output, making it an excellent choice for controlling stepper drives and servo systems in localized motion applications.

Q3: Does this unit support analog expansion modules?

A3: Absolutely. The ELC-PV28NNDT is fully expandable. You can connect ELC series analog I/O, temperature measurement, and communication modules to the right side of the main unit to meet specific project needs.

Q4: How do I configure the inputs for Sink vs. Source?

A4: You determine the input logic by the wiring of the S/S (Sink/Source) terminal. Connecting the S/S terminal to +24V configures the inputs as Sink; connecting it to 0V configures them as Source.