Yokogawa AAI143-S50 Analog Input Module in stock
The Yokogawa AAI143-S50 is a analog input module for Yokogawa platforms. Allowable Input Current: 24 mA | Withstanding Voltage: 1500 V AC between input and system, for 1 minute | Input Resistance: :. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24h.
Technical Specifications
| 0 | Basic type |
|---|---|
| 3 | With ISA Standard G3 option and temperature (-20 to 70 °C) option |
| 5 | No explosion protection |
| Number of Input Channels | 16, isolated |
| Input Signal | 4 to 20 mA |
| Allowable Input Current | 24 mA |
| Withstanding Voltage | 1500 V AC between input and system, for 1 minute |
| Input Resistance | : |
| Power ON | 270 Ω (at 20 mA) to 350 Ω (at 4 mA) |
| Power OFF | 500 kΩ or larger |
| Accuracy | ±16 µA |
| Data Update Period | 10 ms |
| Transmitter Power Supply | : |
| 19.0 V or higher | (at 20 mA) |
| 25.5 V or less | (at 0 mA, output current limit: 25 mA) |
| Setting of 2-Wire or 4-Wire Transmitter | Configurable for each channel by setting pin |
| Drift Due to Ambient Temperature Change | ±16 µA/10 ˚C |
| Maximum Current Consumption | : |
| 230 mA | (5 V DC) |
| 540 mA | (24 V DC) |
| Weight | 0.3 kg |
| External Communication | Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
| HART Communication | Available |
| -S | Standard type |
| -H | With digital communication (HART protocol) |
| E | With explosion protection |
| /K4A00 | With KS Cable Interface Adapter (For connecting AEA4D Terminal Board) [Model: ATK4A-00] |
| /A4S00 | With Pressure Clamp Terminal Block [Model: ATA4S-00] |
| /A4S10 | With Pressure Clamp Terminal Block (surge absorber) [Model: ATA4S-10] |
| /A4D00 | With Dual Pressure Clamp Terminal Block [Model: ATA4D-00] |
| /A4D10 | With Dual Pressure Clamp Terminal Block (surge absorber) [Model: ATA4D-10] |
| /CCC01 | With Connector Cover for MIL Cable [Model: ACCC01] |
| Manufacturer | Yokogawa |
| Model / SKU | AAI143-S50 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
The Yokogawa AAI143-S50 is a analog input module that serves as a critical component in Yokogawa automation systems. Whether you are replacing a failed unit, building a spare parts inventory, or sourcing for a planned system expansion, understanding the exact specifications of this module is essential to ensuring compatibility and reliable operation.
Number of Input Channels: 16, isolated. Input Signal: 4 to 20 mA. Allowable Input Current: 24 mA. These are not generic specifications — they define how this specific module variant is configured and how it will behave in your system. Yokogawa uses suffix codes in part numbers to indicate configuration options such as voltage range, communication protocol, channel count, and certification status. Two modules with the same base number but different suffix codes can be completely incompatible.
Every module we ship undergoes functional verification on a live Yokogawa rack: power-up with correct backplane voltage, all channels exercised with calibrated signal sources, communication ports verified, and 48 hours of continuous operation at 55°C ambient to catch early-life failures. A printed test report with serial number, test date, technician ID, and all measured values accompanies every shipment. Genuine Yokogawa. 12-month warranty. Ships within 24 hours from Shenzhen via DHL, FedEx, or UPS.
How do I confirm this is the correct part for my system?
Match the full part number from the label on your existing module — not just the base model number, but every suffix character. The suffix codes define critical configuration options. If you are unsure, send us a clear photo of the existing module label. Our engineers will cross-reference the part number and confirm compatibility, typically within 4 business hours.
What testing has been performed on this unit?
Visual inspection for physical damage or tampering. Power-up on a live {vendor} rack with correct backplane voltage. All channels exercised with calibrated signal sources (where applicable). Communication ports verified. 48 hours of continuous operation at 55°C ambient temperature. A printed test report with serial number, test date, and all measured values is included with every shipment.
What warranty and shipping options are available?
12-month comprehensive warranty covering component failure under normal operating conditions. Advance replacement available for critical applications — we ship the replacement before receiving the returned unit. Standard shipping: DHL Express, FedEx Priority, or UPS Worldwide Express. Handling time: within 24 hours of confirmed payment. Typical delivery: 3-5 business days worldwide. Customs documentation included.
Compatible Parts — Same System
These modules share the same system family as the AAI143-S50. Commonly ordered together for complete rack builds or spare parts kits.
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