Product Description
The AAI135-S50 is a precision analog input module designed for the Yokogawa CENTUM VP control system. It provides 8 fully isolated 4–20 mA input channels, ensuring reliable signal acquisition while protecting the system from electrical noise and ground loop interference.
The S50 specification denotes a standard basic type intended for installation in non-hazardous (safe) areas, making it well suited for high-reliability process automation environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Channels | 8 channels, fully isolated |
| Input Signal Range | 4–20 mA DC |
| Isolation | Channel-to-channel and channel-to-system |
| Power Consumption | 360 mA @ 5 V DC; 450 mA @ 24 V DC |
| Field Wiring Options | Pressure clamp terminals, MIL cables, or KS1 cables |
| Explosion Protection | Non-explosion protected (Type 5) |
| Design Classification | Basic functional type (Type 0) |
| Dimensions (W × H × D) | 33 × 130 × 107 mm |
| Weight | 0.3 kg |
Application Scenarios
The AAI135-S50 is commonly used in medium-density monitoring applications such as temperature, pressure, and flow measurement in chemical plants, water treatment facilities, and other process industries.
Its fully isolated architecture makes it particularly effective for installations with long cable runs or electrically noisy environments where maintaining signal integrity is critical.
Technical FAQ
Q: How does the AAI135-S50 differ from higher-density AAI135 variants?
A: While some AAI135 models offer 16 input channels, the S50 variant provides 8 fully isolated channels, prioritizing signal separation and protection over channel density.
Q: What field wiring options are supported?
A: The module supports pressure clamp terminal blocks for direct wiring, as well as MIL and KS1 cable interfaces for fast, prewired connections to external terminal boards.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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