ABB DAI04 Bailey INFI 90 Analog Input Module 16-Channel
Product Overview
The ABB DAI04 is a high-density analog input module engineered for the ABB Bailey INFI 90 and Symphony Plus distributed control systems (DCS). It serves as a precision interface for local signal acquisition, converting raw field data from transmitters and sensors into digital values for high-level controller processing.
Designed for industrial reliability, the DAI04 supports 16 independent channels compatible with standard 4–20 mA current loops and 0–10 V voltage signals. The module features integrated channel-to-bus isolation to protect the system backplane from field-side electrical interference. Its hot-swappable architecture ensures that maintenance or module replacement can be conducted without interrupting the continuous operation of critical process loops, making it a staple in power generation and petrochemical facilities.
Technical Specifications
Technical characteristics for the DAI04 analog interface:
| Parameter | Specification Details |
| Model Number | DAI04 |
| Manufacturer | ABB Bailey |
| Product Type | Analog Input Module |
| System Compatibility | INFI 90, Symphony Plus, Harmony |
| Number of Channels | 16 Analog Inputs |
| Signal Compatibility | 4–20 mA Current, 0–10 VDC, 1–5 VDC |
| Resolution | 12-bit to 16-bit (Software dependent) |
| Accuracy | ±0.1% of Full Scale (FS) |
| Isolation | Channel-to-bus galvanic isolation |
| Operating Voltage | 24 VDC (Backplane powered) |
| Power Dissipation | 5 W |
| Dimensions (W x H x D) | 5.1 cm x 20.3 cm x 2.5 cm (2.0" x 8.0" x 1.0") |
| Weight | 1.9 kg (4 lbs 2.1 oz) |
| Operating Temp | 0 °C to +60 °C |
| Tariff Code | 8538903000 |
| Country of Manufacture | Germany |
What's clients say about us
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Operations Director, GermanyRelated Products
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Guide
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