ProductPRODUCT
Featured products
Contact Us
- Yokogawa
- AAI143
- Analog Input Module
- Japan
- 251 mm × 70 mm × 100 mm
- 0.3kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 96
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview: Yokogawa AAI143
The Yokogawa AAI143 is an isolated analog input module designed for Distributed Control Systems (DCS). It accepts 16 channels of standard 4–20 mA signals, converting field instrumentation data into reliable digital information. Available in variants with or without HART communications and optional explosion protection, the AAI143 adapts seamlessly to demanding industrial monitoring environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | AAI143 (base analog input, 16‑channel, isolated) |
| Number of Input Channels | 16 (isolated) |
| Input Signal | 4–20 mA |
| Allowable Input Current | 24 mA |
| Input Resistance (ON) | 270 Ω (at 20 mA) to 350 Ω (at 4 mA) |
| Input Resistance (OFF) | ≥ 500 kΩ |
| Accuracy | ±16 μA |
| Data Update Period | 10 ms |
| Transmitter Supply Voltage | ≥ 19.0 V (20 mA), ≤ 25.5 V (0 mA) (max output 25 mA) |
| Temperature Drift | ±16 μA per 10 °C change |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| HART Communication | Available on H variants |
| Channel Configuration | 2‑wire or 4‑wire per pin setting |
| Input‑to‑System Withstand Voltage | 1,500 VAC for 1 minute |
| Communication Interfaces | Pressure clamp terminal, MIL connector cable, dedicated cable |
| Weight | 0.30 kg |
| External Dimensions (S03 S1) | 251 mm × 70 mm × 100 mm |
| Operating Temperature Range | Standard: –10 °C to +55 °C (H variants with G3: –20 °C to +70 °C) |
Applications
This module is central to process control systems, capturing sensor outputs—such as pressure, flow, or temperature transmitters—and feeding data into automation systems. Suitable for petrochemical, power generation, manufacturing, and other critical industries, its isolated design and optional HART support enable versatile digital integration while ensuring signal integrity.
Key Advantages
-
High Channel Density: Handles 16 isolated inputs in a compact design.
-
Flexible Wiring Support: Accommodates both 2‑wire and 4‑wire transmitters on a per‑channel basis.
-
Precision Performance: ±16 µA accuracy and fast 10 ms data updates ensure tight control loops.
-
Advanced Communication: HART-enabled variants support simultaneous digital communication with analog signals.
-
Built for Harsh Conditions: G3 variants resist extreme temperature and environmental stress.
-
Robust Isolation: Input‑to‑system withstands 1,500 VAC, enhancing safety and protection.
-
Compact & Lightweight: Measures just 0.30 kg, simplifying cabinet layouts.
Related Models (Same Series)
| Model | Description | Key Feature | Weight (kg) |
|---|---|---|---|
| AAI143‑S50 | Standard analog input (non‑HART) | 16 ch isolated | 0.30 |
| AAI143‑H50 | HART‑enabled analog input | HART communication | 0.30 |
| AAI143‑S53 | Standard variant with ISA G3 and ±70 °C | High temp, rugged | 0.30 |
| AAI143‑H53 | HART + G3 + wide temp capability | Full robust variant | 0.30 |
| AAI141‑S50 | Non‑isolated analog input | Cost‑effective | 0.30 |
Popular Models from Yokogawa
| Model | Description | Use Case | Weight (kg) |
|---|---|---|---|
| AAI143‑H50 | HART analog input module | Digital-enabled field devices | 0.30 |
| AAI143‑S53 | High‑temp standard input | Harsh ambient monitoring | 0.30 |
| AAI543‑S50 | Analog output module | Driving actuators or indicator | 0.40 |
| AAI141‑S50 | Non‑isolated analog input | Basic signal capture economy | 0.30 |
| AAV144 | Voltage input module (±10 V) | Broad-range sensor integration | 0.30–0.40 |
FAQ (10 Q&A)
Q1: What signals does the AAI143 accept?
A1: It accepts 4–20 mA analog input signals across 16 isolated channels.
Q2: Does it support digital communication?
A2: Yes, H variants support HART digital communication alongside analog signal.
Q3: Can I use it with 2‑wire or 4‑wire transmitters?
A3: Yes—each channel is configurable via dedicated pins.
Q4: What is the module’s accuracy?
A4: Its input accuracy is approximately ±16 μA.
Q5: How quickly does it read data?
A5: It updates all channels every 10 ms.
Q6: How is signal isolation handled?
A6: The module provides full isolation between inputs and system side, rated to 1,500 VAC for 1 minute.
Q7: Is it rugged enough for high-temperature environments?
A7: The S53 and H53 variants operate reliably from –20 °C to +70 °C.
Q8: How much does it weigh?
A8: Approximately 0.30 kg—lightweight and easy to mount.
Q9: What wiring options are available?
A9: Use pressure clamp terminals, MIL connector cables, or dedicated cables for connection.
Q10: Is HART supported on all models?
A10: Only H variants (e.g., H50, H53) support HART communication.
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.