DP840 ABB - Pulse Counting Module 8 Channel

ABB DP840 Pulse Counting Module

Product Overview

The ABB DP840 is an 8-channel pulse counting and frequency measurement module designed for industrial automation systems. It offers flexible configuration and reliable performance in demanding environments.

Product Details

• Article Number: DP840 3BSE028926R1
• Product Type: Pulse Counter
• Signal Specification: 24 V d.c. (19.2 - 32 V d.c.)
• Number of Channels: 8 independent channels
• Redundancy Support: Yes
• HART Protocol: Not supported
• Mechanical System: S800

Technical Specifications

• Frequency Range: 0.5 Hz to 20 kHz
• Measurement Modes: Pulse count or frequency measurement
• Counter Resolution: 16-bit accumulator
• Input Interfaces: NAMUR, 12V, 24V
• Maximum Cable Length: 200 meters
• Power Dissipation: 4 W
• Operating Temperature: 0°C to +55°C
• Isolation: Groupwise isolated from ground

Key Features

• 8 identical independent channels
• Configurable as pulse counter or frequency meter
• Digital input signal capability
• Single or redundant application support
• Advanced on-board diagnostics
• Configurable input filters
• Cyclic self-diagnostics
• Multiple interface support

Frequently Asked Questions

• What is the maximum frequency measurement capability?
  The module can measure frequencies from 0.5 Hz up to 20 kHz.
• Can the inputs be used as digital inputs?
  Yes, each channel can also be read as digital input signals.
• Is redundancy supported with this module?
  Yes, the DP840 can be used in both single and redundant applications.

Compatibility

• TU810V1, TU812V1, TU814V1
• TU830V1, TU833
• TU842, TU843, TU844, TU845
• TU852, TU854
• S800 Mechanical System
• Keying Code: CF

Certifications & Standards

• CE Marked
• ATEX Zone 2
• C1 Division 2 cULus
• Marine: BV, DNV, LR
• EN 61010-1 Electrical Safety
• RoHS & WEEE Compliant

Physical Specifications

• Width: 45 mm (1.77")
• Height: 119 mm (4.7")
• Depth: 102 mm (4.01")
• Weight: 0.15 kg (0.33 lbs)