Yokogawa AAI135 Analog Input Module
Especificações técnicas
Manufacturer: YOKOGAWA
Condition：New with Original Package
Product Type: Analog Input Modules
-
Country of Origin: Singapore
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
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Product Description
The AAI135 is an 8-channel analog input module from Yokogawa, designed to receive 4-20 mA DC signals through isolated input channels. It converts field transmitter signals into input data for the control system. Furthermore, the module supports HART communication, allowing digital communication alongside analog signal transmission. Its channel isolation and 10 ms data update period define key characteristics for signal acquisition.
Analog Input Function
The AAI135 receives 4-20 mA signals from field transmitters through eight isolated input channels. Channel isolation provides electrical separation between input channels and helps limit the propagation of electrical disturbances between signal circuits.
The module supports a maximum allowable input current of 25 mA. Its input resistance varies with the operating current, while the 500 V AC withstand voltage specification defines the insulation capability between the input and system and between input channels.
HART Communication
The AAI135 supports HART digital communication. This allows compatible field devices to exchange digital information over the 4-20 mA signal loop. Meanwhile, the analog input channel continues to provide the process signal for control system acquisition.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI135 |
| Brand | Yokogawa |
| Product Type | Analog Input Module |
| Number of I/O Channels | 8 |
| Channel Isolation | Isolated channels |
| Input Signal | 4-20 mA DC |
| Allowable Input Current | 25 mA |
| Withstanding Voltage (Input to System) | 500 V AC for 1 minute |
| Withstanding Voltage (Between Input Channels) | 500 V AC for 1 minute |
| Input Resistance (Power ON) | 290 ohm at 20 mA to 450 ohm at 4 mA |
| Input Resistance (Power OFF) | 500 kohm or greater |
| Accuracy | +/-16 uA |
| Data Update Period | 10 ms |
| Transmitter Power Supply | 15.0 V or higher at 20 mA; 29.3 V or less at 0 mA |
| Temperature Drift | +/-16 uA per 10 deg C |
| Maximum Current Consumption (5 VDC) | 360 mA |
| Maximum Current Consumption (24 VDC) | 450 mA |
| HART Communication | Available |
| External Connection | Pressure clamp terminal, MIL connector |
| Weight | 0.3 kg |
Suffix Code Configuration
The AAI135 ordering codes define the communication option, explosion protection and environmental configuration.
| Suffix Code | Specification |
|---|---|
| -S | Standard type |
| -H | With digital communication (HART protocol) |
| 5 | Without explosion protection |
| E | With explosion protection |
| 0 | Basic type |
| 3 | With ISA Standard G3 option and temperature option (-20 to 70 deg C) |
Therefore, the complete ordering code should be checked before replacement or procurement, particularly when HART communication, explosion protection or the ISA Standard G3 option is required.
Frequently Asked Questions
Q: How many analog input channels does the AAI135 provide?
A: The AAI135 provides eight isolated input channels. Each channel accepts a 4-20 mA DC signal.
Q: Does the AAI135 support HART communication?
A: Yes. HART communication is available with the -H suffix configuration. The -S suffix identifies the standard type.
Q: What is the difference between suffix codes 5 and E?
A: Code 5 specifies a configuration without explosion protection, while code E specifies a configuration with explosion protection. Select the appropriate version according to the installation requirements.
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.