Delta Tau ACC‑24E2S DB

Product Name

Embedded Industrial Process Controller

Product Introduction

ACN CS (Valmet legacy Metso product) is rack‑or panel‑mounted high‑performance embedded controller, used for standalone or network‑connected process control, fast machine control and multi‑variable advanced control, compatible with Valmet DNA and DNAe DCS platforms.

Category:
Description

Technical Specifications

  • Power supply: 24 V DC
  • Operating system: RT‑Linux
  • Minimum control cycle: 20 ms
  • Expansion slot: 2 PCIe expansion slots
  • Redundancy: full 1:1 redundancy support, redundant Ethernet and fieldbus
  • Mounting mode: panel mounting or 19‑inch standard rack shelf mounting
  • Enclosure protection grade: IP20, conformal coating optional
  • Cooling mode: passive cooling without fan
  • Operating temperature: 0 °C ~ +40 °C

Functional Features

No moving internal components for high reliability; supports star and ring network topology; SD card stores complete software and parameters for fast node replacement; multiple fieldbus interface expandable by PCIe cards; supports automatic startup after power recovery; marine certification available as option.

Application Scenarios

Pulp and paper industry process control, chemical industry embedded control node, metallurgical auxiliary equipment control, marine automation system, distributed industrial process monitoring.

Performance Parameters

Multi‑task real‑time operation; stable redundant network switchover; support large‑scale process variable logic operation; fieldbus maximum quantity 5.

Material Composition

Metal alloy enclosure, internal industrial embedded CPU board, passive heat dissipation fin structure, plastic interface baffle.

Structural Characteristics

Compact box‑type structure; vertical panel installation or shelf placement; external heat‑dissipation rib structure; front‑side Ethernet and fieldbus interface terminals.

Working Principle

Runs real‑time Linux operating system; executes user‑configured control logic, PID and advanced multivariable control algorithm; communicates with I/O modules and upper‑level DCS system via Ethernet and fieldbus; completes process closed‑loop regulation and data uploading.

Installation Requirements

Install inside indoor control cabinet; ensure surrounding space for passive heat dissipation; vertical installation orientation must comply with specification; redundant network shall adopt independent physical cable routing.

Usage Notes

Do not block heat‑dissipation fins; select conformal coating option for high‑humidity or corrosive atmosphere; use SD card for parameter backup regularly; forbidden to open enclosure shell on site; power supply must adopt industrial grade 24 V DC power source.

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