PDP403 Metso DCS Distributed Processing Unit

• Brand
  Metso
• Model
  PDP403
• Product Name
  Distributed Processing Unit (DPU)
• Place of Origin
  United States
• Customs HS Code
  85371000
• Power Supply
  0.6 A
• Dimensions
  305 mm height × 190 mm width × 35 mm depth
• Weight
  1.45 kg
• Operating Temperature
  0°C ~ +55°C
• Storage Temperature
  -40°C ~ +85°C
• Warranty
  12 month
• Product Status
  original

Features of Metso PDP403

Equipped with high-precision piezoresistive silicon differential pressure sensor, featuring outstanding repeatability, long-term stability and low signal drift.

Turndown ratio reaches up to 100:1. A single transmitter supports multiple pressure measurement ranges to cut spare parts stock.

Two-wire 4–20 mA analogue output integrated with HART digital communication. Parameters can be configured locally via pushbuttons or remotely through a HART communicator.

Built-in comprehensive self-diagnostic capability. It identifies sensor failures, over-range pressure and circuit anomalies and generates relevant alarm signals.

Supports square root calculation for flow measurement. Multiple engineering units are selectable and signal damping can be adjusted as required.

Robust enclosure rated IP66 / NEMA 4X, providing protection against dust, moisture and corrosive site environments.

Adopts welded oil-filled sensor design which separates electronic components from process media, delivering superior vibration and shock resistance.

Various wetted material choices including 316L stainless steel and Hastelloy C, compatible with different corrosive liquid, gas and steam media.

Optional local LCD display for on-site viewing of process readings and transmitter status.

Electronic component operating temperature: -40 °C ~ +85 °C, capable of withstanding demanding industrial field conditions.

Designed for differential pressure, level and flow measurement, widely used in pulp & paper, mining, chemical and power industries.

Pulp & paper mill DCS control system: Runs distributed on-site control logic, collects analogue and digital signals from pulp preparation, paper forming and drying processes. It implements pulp flow regulation and tank level control, and exchanges data with the Metso DCS main controller.

Mining mineral processing plant: Installed inside control cabinets of concentrators for crusher, grinding circuit and flotation process control. It completes real-time signal acquisition, interlock protection and local loop control under dusty and high-vibration working conditions.

Thermal power plant boiler auxiliary control: Deployed in boiler air and flue gas systems, feedwater control and filter differential pressure monitoring. It enables rapid local signal processing and safety interlock logic execution.

Chemical and petrochemical plant: Applied for reactor, separator and pipeline control. It performs distributed control and safety interlock functions and supports redundant setup to guarantee uninterrupted production.

Water treatment and wastewater plant: Manages filter backwashing, pump interlock and flow regulation. It locally processes field measurement data to reduce the computing load of the DCS main system.

Cement production line automation: Used in control cabinets for kilns and raw meal grinding systems. It achieves local closed-loop control, equipment interlock and alarm handling.

Oil & gas field control skids: Mounted on process skids for well sites and refinery auxiliary units to deliver independent distributed processing and fast interlock response.

DCS renovation and upgrade for industrial facilities: Acts as replacement spare parts for legacy Metso DCS systems. It preserves the original control logic and reduces rewiring work on site.

Safety-related auxiliary control loops: Executes non-SIS safety interlock and equipment protection logic. It cooperates with the SIS system to improve overall plant operational safety.

FAQ for Metso PDP403 (Distributed Processing Unit / DPU for Metso DNA / maxPAC)

Q1: What is Metso PDP403?

A1: Metso PDP403 is a legacy Distributed Processing Unit (DPU), the core controller node for Metso DNA and maxPAC distributed control systems. It executes control logic, collects field I/O signals and handles Ethernet communication for industrial process automation.

Q2: What are the key features of Metso PDP403?

A2: The PDP403 is rack-mountable processor card equipped with multiple Ethernet ports for system networking. It supports real-time process control, built-in system diagnostics and hot swap capability within the maxPAC chassis for continuous plant operation.

Q3: Where is Metso PDP403 applied?

A3: Metso PDP403 DPU is widely deployed in pulp & paper, power plants, mining and mineral processing plants running Metso DNA control systems. It is a critical spare part for DCS maintenance, system retrofitting and upgrade projects.

Q4: Can I source tested Metso PDP403 spare parts from your company?

A4: Yes, we supply inspected surplus Metso PDP403 distributed processing units for global clients. Every module undergoes pre-shipment functional testing. We provide 12-month warranty and fast worldwide shipping for DCS spare parts.

Ralated model:

UKB-3-35E
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H1111.0204
HC-RFS353K
85UVF1‑1CEX