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ABB DAI 03 Analog Input Module

ABB DAI 03 Analog Input Module

Product Description

The DAI 03 is a high-precision analog input module for the ABB ABB Advant OCS and ABB MasterPiece 200 Control System architectures.

This module provides 8 independent analog input channels for converting field transmitter signals into digital...

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Availability: Low stock: 10 left

SKU: DAI 03
Vendor: ABB
Category: Analog Input Module
Related Series:

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Product Description

The DAI 03 is a high-precision analog input module for the ABB ABB Advant OCS and ABB MasterPiece 200 Control System architectures.

This module provides 8 independent analog input channels for converting field transmitter signals into digital control data for central processors such as the Advant Controller 410/450 and MasterPiece controllers. As a refurbished legacy DCS component, it undergoes functional testing, capacitor health inspection, and signal accuracy verification to ensure performance equivalent to original factory specifications.

The DAI 03 supports standard process instrumentation signals including 4–20 mA current loops, 0–10 V voltage signals, and differential voltage inputs, making it suitable for monitoring pressure, temperature, flow, and level measurements in process automation systems.

Detailed Technical Specifications

Parameter Specification
Model DAI 03
Platform Advant OCS / MasterPiece 200
Input Channels 8 Analog Channels
Signal Types 0–20 mA, 4–20 mA, 0–10 V, 2–10 V, ±10 V
A/D Resolution 12-bit + sign
Accuracy ±0.1% FS @ 25°C
Current Input Impedance 250 Ω
Voltage Input Impedance > 1 MΩ
Isolation Galvanic isolation (field to logic)
Status Indicators RUN and FAULT LEDs
Power Supply Backplane powered
Mounting S600 I/O rack plug-in module
Compatibility Advant Controller 410 / 450 / MasterPiece 200/1

Applications

  • Power generation process control

  • Petrochemical and chemical processing

  • Metals and mining automation

  • Secondary control loop monitoring

  • Legacy DCS MRO spare replacement

Ideal for maintaining legacy industrial control infrastructure where system continuity is critical.

Frequently Asked Questions

Q1: Is the DAI 03 hot-swappable?
Yes, when live insertion is enabled in system configuration. Follow Advant OCS maintenance procedures to prevent communication bus faults.

Q2: How does refurbished quality compare to new units?
Refurbished units are typically cleaned, electrically tested, and verified using simulated 4–20 mA loops to ensure performance equivalent to new hardware, which is increasingly difficult to source for legacy systems.