DP840 3BSE028926R1 | ABB | 800xA System | Pulse Counter

Overview

The ABB DP840 (3BSE028926R1) is a high‑performance pulse counter and frequency measurement module designed for use in ABB’s AC800M control systems. It supports both redundant and single configurations, providing precise measurement across a wide frequency range from 0.5 Hz to 20 kHz.

Technical Specifications

• Model / Part No.: DP840 / 3BSE028926R1
• Function: Pulse Counter / Frequency Measurement
• Input Channels: 8 digital inputs
• Output Channels: None
• Channel Type: DI (Digital Input)
• Frequency Range: 0.5 Hz – 20 kHz
• Redundancy: Supports redundant or single operation
• Compatible Termination Units: TU810, TU812, TU814, TU818, TU830, TU833, TU842, TU843, TU844, TU845, TU852, TU854
• Dimensions: 102 mm (depth) × 119 mm (height) × 45 mm (width)
• Weight: 0.3 kg
• Compliance: RoHS (EU Directive 2011/65/EU), WEEE Category 5
• Customs Tariff Number: 90308400
• HS Code: 903084

Key Features

• Accurate pulse counting and frequency measurement for industrial applications
• Wide input frequency range suitable for diverse process signals
• Redundant design option for enhanced system reliability
• Compact form factor for efficient cabinet integration
• Seamless compatibility with multiple ABB termination units
• Environmentally compliant with RoHS and WEEE directives

Application Scenarios

The DP840 is ideal for monitoring turbine speed, flow meters, and other pulse‑based sensors in power generation, chemical processing, and manufacturing industries.

FAQ

Q: Can the DP840 be used in redundant configurations?

A: Yes, it supports both redundant and single setups for critical applications.

Q: Which termination units are compatible with this module?

A: TU810, TU812, TU814, TU818, TU830, TU833, TU842, TU843, TU844, TU845, TU852, and TU854.