Yokogawa AAI143-S50/AAS10 Isolated Analog Input Module
Especificações técnicas
Manufacturer: YOKOGAWA
Condition：New with Original Package
Product Type: Isolated Analog Input Modules
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Country of Origin: Singapore
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
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Product Description
The Yokogawa AAI143-S50/AAS10 is a 16-channel isolated analog input module designed to receive 4-20 mA DC signals from field transmitters. It converts these signals into measurement data for distributed control system processing. Furthermore, each input channel provides electrical isolation from the system side, while the module supports individual 2-wire or 4-wire transmitter configuration.
Input Signal and Channel Configuration
The AAI143 provides 16 isolated current input channels for 4-20 mA DC signals. It accepts signals from field transmitters and updates measurement data at 10 ms intervals. The module also allows each channel to accommodate either a 2-wire or 4-wire transmitter through an individual setting pin.
In addition, the 24 mA allowable input current provides a defined operating limit for connected signal circuits. The input resistance varies with the input current, so it should be considered when checking transmitter loop voltage requirements.
Isolation and Measurement Performance
The module provides 1500 V AC withstand voltage between the input and system circuits for one minute. This isolation helps separate field-side signal circuits from the DCS system circuitry.
Its measurement accuracy is specified as +/-16 uA, with a temperature-related drift of +/-16 uA per 10 deg C. Therefore, these values are useful when evaluating measurement precision and expected signal variation under changing ambient temperatures.
Transmitter Power Supply
The AAI143 provides a power supply for 2-wire transmitters. The available voltage is at least 19.0 V at 20 mA and no more than 25.5 V at 0 mA, with an output current limit of 25 mA.
Meanwhile, external wiring voltage drops must be considered when checking the minimum operating voltage required by connected transmitters.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI143-S50/AAS10 |
| Brand | Yokogawa |
| Product Type | Isolated Analog Input Module |
| Number of Input Channels | 16, isolated |
| Input Signal | 4-20 mA DC |
| Allowable Input Current | 24 mA |
| Input Resistance (Power ON) | 270 ohm at 20 mA to 350 ohm at 4 mA |
| Input Resistance (Power OFF) | 500 kohm or larger |
| Accuracy | +/-16 uA |
| Withstanding Voltage | 1500 V AC between input and system, for 1 minute |
| Data Update Period | 10 ms |
| Transmitter Power Supply | At least 19.0 V at 20 mA; maximum 25.5 V at 0 mA |
| Transmitter Supply Output Current Limit | 25 mA |
| Transmitter Configuration | 2-wire or 4-wire, selectable per channel by setting pin |
| Ambient Temperature Drift | +/-16 uA per 10 deg C |
| Maximum Current Consumption (5 VDC) | 230 mA |
| Maximum Current Consumption (24 VDC) | 540 mA |
Frequently Asked Questions
Q: How many analog input signals can the AAI143 handle?
A: It provides 16 isolated input channels, each accepting a 4-20 mA DC current signal.
Q: Can the module connect to both 2-wire and 4-wire transmitters?
A: Yes. Each channel can be configured for either transmitter type through its individual setting pin.
Q: Does the AAI143-S50 support HART communication?
A: The AAI143-S50 standard type does not include the HART communication option. The AAI143-H suffix identifies the HART-enabled version. When using HART through an ER bus node unit, the EB401 firmware must be revision 2 or later.
Other Attributes
- Country of Origin: Japan/Singapore
- Lead Time: In Stock, 2 Working Days
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Question 1: Is Our Price Competitive?
NEW-GEN collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.