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Product Description
Overview
The AAI143-H50/K4A00 from Yokogawa is a high-performance analog input module designed for precise process measurement and control. This module supports 16 channels of 4-20 mA signals with full isolation between channels, ensuring reliable data acquisition and minimizing cross-channel interference. The integrated HART digital communication interface enables seamless diagnostics and parameter configuration over existing wiring.
Key Features
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Model: AAI143-H50/K4A00
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Analog input range: 4-20 mA
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Number of channels: 16
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Input isolation: Channel-to-channel isolated
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Communication: HART protocol support
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Explosion protection: Not included
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Mounting: Supports KS Cable Interface Adapter (for AEA4D terminal board, Model ATK4A-00)
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Type: Basic version with digital communication
Technical Specifications
| Parameter |
Specification |
| Signal Type |
4-20 mA analog input |
| Channels |
16 |
| Input Impedance |
250 Ohm typical |
| Isolation Voltage |
1500 V AC channel-to-channel |
| Accuracy |
0.1% of span typical |
| Response Time |
100 ms typical |
| Communication |
HART Protocol |
| Power Supply |
24 V DC nominal |
| Mounting |
KS Cable Interface Adapter compatible |
| Temperature Range |
-20 to 60 Celsius operating |
| Housing |
DIN rail mount, industrial grade |
Applications
This module is suitable for distributed control systems, process monitoring, and integration with advanced SCADA systems. Typical industries include chemical, oil and gas, water treatment, and power generation.
FAQ
Q: Can this module be used in explosive environments?
A: The AAI143-H50/K4A00 is not rated for explosion protection; select a certified model if required.
Q: Is the HART communication supported on all channels?
A: Yes, all 16 channels can communicate digitally via HART for configuration and diagnostics.
Q: What terminal board is compatible with this module?
A: The module connects through a KS Cable Interface Adapter to the AEA4D terminal board, Model ATK4A-00.
Similar Models Comparison
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AAI143-H30: Non-HART version, same channel count.
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AAI143-H60: HART version with explosion protection.
