Description

ABB DSPU131 3BSE000355R1

The ABB Freelance Controller is a digital slave processing unit that is part of the ABB Freelance hybrid control system and AC 800M high-end process control system family. It is primarily used in conjunction with the S800 I/O module series.

Core Functions & Purpose

1. Distributed I/O Processing:

   • It allows I/O modules (such as DI, DO, AI, AO) to be installed near field devices, away from the central control room.

   • This significantly reduces wiring costs and complexity from the field to the control room, enhancing system reliability and noise immunity.

2. Communication Gateway:

   • The DSPU131 acts as a communication hub. On one end, it connects to the upper-level master controller (e.g., an AC 800M or Freelance controller) via a high-speed fieldbus (such as Profibus-DP).

   • On the other end, it manages multiple S800 I/O modules directly attached to it via a local backplane bus.

3. Data Processing & Diagnostics:

   • It is more than a simple signal repeater. The DSPU131 can configure, read data from, and write data to the connected I/O modules, and perform preliminary data processing.

   • It features powerful diagnostic capabilities, monitoring the status of I/O modules, communication errors, power supply failures, etc. It reports this diagnostic information in real-time to the main control system for quick troubleshooting.

4. Modularity & Scalability:

   • A single DSPU131 unit can connect to multiple S800 I/O modules to form a complete remote I/O station. Different types and quantities of I/O modules can be flexibly configured based on requirements.

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Key Technical Specifications

• Product Type: Digital Slave Processing Unit

• System Affiliation: ABB Freelance & AC 800M

• Compatible I/O: S800 I/O Series Modules

• Primary Communication Interface: Profibus-DP (This is its most common protocol, operating as a DP Slave)

• Supply Voltage: Typically 24 V DC

• Installation: Mounted on a standard DIN rail, forming a station together with S800 I/O modules.

• Status Indication: Features comprehensive LED indicators for power, communication status, run/fault, etc.

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Typical Application Scenarios

The DSPU131 is widely used in industrial process fields that require high reliability, modularity, and distributed control, such as:

• Chemicals & Petrochemicals

• Oil & Gas

• Water & Wastewater Treatment

• Pharmaceutical Industry

• Power & Energy

• Pulp & Paper

 

 

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

 

☀️Tara(Sales Director)

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🥇Product Condition: One-year warranty

 

Company Overview

Main Products

We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:

• FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
• ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
• HONEYWELL | RELIANCE | SCHNEIDER | MODICON
• Westinghouse | WOODWARD | Motorola | Rexroth | SEW

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