Description
Yokogawa AAI143-H53/K4A00: Isolated HART Input Module
Product Description
Advanced 16-channel isolated module with HART protocol support. Features 1500V isolation and ±16µA accuracy. Designed for critical process measurement in harsh industrial environments.
Technical Specifications
- Brand: Yokogawa
- Model: Analog Input Module
- Full Suffix: AAI143-H53/K4A00
- Suffix Breakdown:
- AAI143: Analog Input Module
- H: HART Protocol
- 5: No Explosion Protection
- 3: ISA G3 + Temp (-20°C to 70°C)
- /K4A00: KS Interface Adapter
- Channels: 16 isolated
- Input Signal: 4-20mA
- Accuracy: ±16µA
- Isolation: 1500V AC (input-system)
- Update Speed: 10ms
- Temperature: -20°C to 70°C
- Power: 24V DC
- Weight: 0.3kg
Installation Guide
- Use KS interface adapter for AEA4D terminal boards.
- Maintain 1500V isolation clearance.
- Set 2/4-wire mode per channel.
Compatibility
Works with Yokogawa FCS systems. Requires AEA4D terminal board. Supports HART-enabled transmitters.
Package Contents
- AAI143-H53 module
- KS interface adapter (ATK4A-00)
- Operation manual
Warranty & Shipping
12-month warranty. Ships via FedEx/UPS/DHL worldwide. Delivery in 3-5 days.
Real-World Applications
Chemical Processing: HART-enabled reactor temperature monitoring
Power Plants: Isolated 4-20mA reading for turbine sensors
Mining Operations: Vibration monitoring in -20°C environments
FAQ
Q: What does /K4A00 suffix mean?
A: Includes KS Interface Adapter for AEA4D terminal boards
Q: Maximum ambient temperature drift?
A: ±16µA per 10°C change
Q: Can it power transmitters?
A: Yes – provides 19-25.5V loop power (25mA limit)











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