Product Description
The SAI143-S63 is a high-density analog input module designed for integration within the Yokogawa ProSafe-RS and Yokogawa CENTUM VP architectures.
It provides 16 channels of individually isolated 4–20 mA DC inputs, ensuring high-integrity signal acquisition even in electrically noisy industrial environments.
The S63 suffix designates a hardened environmental specification, featuring:
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Extended operating temperature range
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ISA-S71.04 G3 conformal coating for enhanced corrosion resistance
Engineered for long-term reliability, the SAI143-S63 incorporates individual channel isolation to protect the system backplane from field-side surges. An integrated signal cable interface adapter simplifies installation while maintaining a compact footprint inside the I/O nest.
This variant is intended for general-purpose (non-explosion hazardous) areas where environmental durability is prioritized over explosion-proof certification.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal Range | 4 to 20 mA DC |
| Number of Channels | 16 channels, individually isolated |
| Module Type | Standard performance analog input |
| Data Refresh Cycle | 10 ms (Typical) |
| Allowable Input Voltage | 30 V DC max |
| Input Impedance | 250 Ω |
| Environmental Protection | ISA-S71.04 G3 Conformal Coating |
| Operating Temperature Range | -20 to 70 °C |
| Interface Configuration | Integrated signal cable interface adapter |
Application Areas
The SAI143-S63 is widely used in:
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Offshore production platforms
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Chemical processing plants
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Petrochemical refineries
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Heavy manufacturing facilities
It is particularly suited for monitoring:
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Pressure transmitters
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Flow meters
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Level transmitters
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Other 4–20 mA field instrumentation in critical control and safety loops
The G3 coating and extended temperature tolerance make it ideal for environments with corrosive gases and fluctuating ambient conditions.
Common Technical FAQ
Does the SAI143-S63 support HART communication?
This module is optimized for high-speed 4–20 mA signal acquisition. For full HART pass-through capability, users typically select SAI143-H series variants specifically designed for HART integration.
What is the significance of the G3 coating?
The G3 rating follows the ISA-S71.04 environmental classification standard, indicating resistance to severe corrosive atmospheres containing gases such as hydrogen sulfide (H₂S), chlorine (Cl₂), and sulfur dioxide (SO₂). This significantly extends service life in aggressive industrial environments.
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| Condition | 100% New with Original Package |
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| 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. |
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| 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. |
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