Product Snapshot
- Brand: Yokogawa
- Model: AAI143-H50/K4A00
- Category: Analog Input Module
- Signal Type: 4 to 20 mA
- Channels: 16, fully isolated
- Designed for stable field signal collection.
- Optimized for Yokogawa Centum VP.
Why Choose This Module
- HART access without extra hardware.
- High channel density saves rack space.
- Isolation improves noise immunity.
- Fast data refresh supports control loops.
- Reliable for long-term plant operation.
Electrical and Measurement Performance
- Input range supports standard process sensors.
- Maximum input current up to 24 mA.
- Measurement accuracy within ±16 microamp.
- Update cycle of 10 milliseconds.
- Stable readings during temperature changes.
- Strong resistance to electrical interference.
Input Circuit Characteristics
- Powered input resistance adapts to load.
- High resistance when power is off.
- Protects transmitters during shutdown.
- Supports long cable runs.
Transmitter Power and Channel Setup
- Built-in loop power for field devices.
- Supports two-wire transmitters.
- Supports four-wire transmitters.
- Each channel set by onboard pin.
- Current limiting improves safety.
Digital Communication Capability
- HART protocol enabled.
- Allows remote device diagnostics.
- Supports parameter reading and tuning.
- No impact on analog signal quality.
Suffix and Option Structure
- Model Core
- AAI143 Analog input module family
- Functional Code
- H Digital communication with HART
- 5 No explosion protection
- 0 Basic configuration
- Option Code
- K4A00 KS cable interface adapter
- Compatible with AEA4D terminal board
Mechanical and Power Data
- Lightweight module for easy handling.
- Approximate weight 0.3 kg.
- Low power draw at 5 V DC.
- Efficient operation at 24 V DC.
Installation and Integration
- Fits standard Yokogawa I/O racks.
- Dedicated cables simplify wiring.
- Clear terminals reduce wiring errors.
- Easy replacement during maintenance.
Typical Use Cases
- Flow and pressure monitoring.
- Temperature transmitter inputs.
- Process automation systems.
- Plant upgrades with HART devices.
Warranty and Shipping
- 12-month warranty included.
- Factory-grade protective packaging.
- Global shipping via FedEx.
- UPS and DHL available.
Professional FAQ
- When is a HART module preferred?
- When device data and diagnostics are needed.
- Is this model suitable for dense cabinets?
- Yes. Sixteen channels reduce slot usage.
- How do I choose between H and non-H models?
- Select H when smart transmitters are used.
- Does HART slow analog updates?
- No. Analog and digital work together.
- Is this module good for future expansion?
- Yes. It supports modern field devices.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
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