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- Yokogawa
- AAI143-S53/K4A00
- Analog Input Module
- Japan
- 107.5 mm × 32.8 mm × 130 mm
- 0.3kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: AAI143‑S53/K4A00
Product Introduction
The AAI143‑S53/K4A00 is a robust, 16‑channel isolated analog input module designed for heavy‑duty industrial control systems. It accepts standard 4–20 mA signals with high accuracy and offers wide‑temperature reliability. The S53 variant features an extended operating range up to +70 °C, while the K4A00 interface connector ensures secure and neat cable connection to terminal boards. This module is engineered for use in challenging environments where signal integrity, precise acquisition, and thermal resilience are non‑negotiable.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AAI143‑S53/K4A00 |
| Input Signal | 4–20 mA DC |
| Number of Channels | 16 (each channel isolated) |
| Input Resistance | Approximately 270–350 Ω |
| Accuracy | ±16 µA |
| Data Update Interval | 10 ms |
| Isolation Voltage | 1500 V AC (input to system, 1 min) |
| Transmitter Loop Power | 19–25.5 V DC at up to 25 mA per channel |
| Operating Temperature | –20 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Interface Type | K4A00 cable connector |
| Mounting Style | Rack or baseplate module installation |
| Dimensions (L × W × H) | 107.5 mm × 32.8 mm × 130 mm |
| Weight | 0.30 kg |
| Power Consumption | ~230 mA at 5 V DC; ~540 mA at 24 V DC |
| Compliance | Meets industrial safety and EMC standards |
Product Applications
-
Petrochemical & Refining Environments
Monitors critical signals from field transmitters in hot and electrically noisy zones. -
Power Plant Instrumentation
Interfaces with multiple sensors in boiler, turbine, and auxiliary systems under wide temperature swings. -
Water & Wastewater Control
Provides reliable multi-channel sensing for treatment processes and pump systems. -
Chemical and Pharma Process Control
Delivers precise analog sampling even in controlled clean-room settings with thermal challenges. -
Heavy Manufacturing Automation
Handles analog signal acquisition in steel mills, mining operations, and pulp & paper plants.
Product Advantages
-
Extended Thermal Range
Maintains accuracy and reliability from –20 °C up to +70 °C, standing out in hot-zone field cabinets. -
High Electrical Isolation
1500 V AC isolation per channel protects against ground loops and signal corruption. -
Precision Input Handling
±16 µA accuracy enables tight control over process variables, improving system response. -
Quick Response Rate
10 ms refresh ensures your control system remains aligned with real-time data. -
Secure K4A00 Interface
Cable connector supports clean, reliable wiring and easy maintenance access. -
Compact and Lightweight
107.5 × 32.8 × 130 mm and 0.30 kg—ideal for dense control system installations.
Brand & Series
-
Brand: Yokogawa
-
Series: AAI143 Series – Isolated analog input modules with variants designed for temperature range, interface type, and protocol needs.
Related Models (Same Series / Closely Related)
| Model | Input Type | Channels | Temp Range | Interface | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AAI143‑S50/K4A00 | 4–20 mA | 16 | –20 °C to +60 °C | K4A00 | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑H53/K4A00 | 4–20 mA + HART | 16 | –20 °C to +70 °C | K4A00 | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑S53/S1 | 4–20 mA | 16 | –20 °C to +70 °C | S1 loop | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑S53/A4S00 | 4–20 mA | 16 | –20 °C to +70 °C | A4S00 clamp | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑S53/K4S00 | 4–20 mA | 16 | –20 °C to +70 °C | K4S00 cable | 107.5 × 32.8 × 130 | 0.30 |
Popular Models from the Same Brand
| Model | Type | Channels | I/O Type | Interface | Temp Range | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| AAI543‑S53/K4A00 | Analog Output | 16 | Output | K4A00 | –20 °C to +70 °C | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑H50/A4S00 | Analog Input + HART | 16 | Input | A4S00 | –20 °C to +60 °C | 107.5 × 32.8 × 130 | 0.30 |
| AAI543‑H53/K4S00 | Analog Output + HART | 16 | Output | K4S00 | –20 °C to +70 °C | 107.5 × 32.8 × 130 | 0.30 |
| AAI143‑H53/A4S00 | Analog Input + HART | 16 | Input | A4S00 | –20 °C to +70 °C | 107.5 × 32.8 × 130 | 0.30 |
| AAB841‑S00/K4A00 | Mixed I/O Module | 8 in/8 out | In/Out | K4A00 | –20 °C to +60 °C | 107.5 × 32.8 × 130 | 0.30 |
Frequently Asked Questions (QA Format)
Q1: What temperature range is supported?
A1: –20 °C to +70 °C—extended high-temperature tolerance compared to standard modules.
Q2: How many channels are available?
A2: Sixteen isolated analog input channels.
Q3: What interface does it use?
A3: K4A00 cable connector—to ensure tidy and reliable wiring.
Q4: Does it support HART protocol?
A4: No; the S53 variant is analog-only. Choose H53/K4A00 for HART.
Q5: What kind of input accuracy is provided?
A5: High precision with ±16 µA accuracy per channel.
Q6: How fast is the update rate?
A6: The module updates data every 10 ms.
Q7: What isolation performance does it offer?
A7: 1500 V AC isolation between inputs and system to protect against interference.
Q8: What are its physical dimensions and weight?
A8: Measures 107.5 × 32.8 × 130 mm and weighs 0.30 kg.
Q9: Can it power field transmitters?
A9: Yes, loop power up to 25 mA per channel is supported.
Q10: Is it suited for harsh industrial zones?
A10: Absolutely—designed for operation in electrically noisy and high-temperature environments.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.