Product Overview
The Yokogawa SEA4D-01 is a dedicated signal termination interface for the ProSafe-RS Safety Instrumented System (SIS). It connects field instruments with safety I/O modules, ensuring reliable signal transmission in critical applications such as Emergency Shutdown (ESD) and Fire & Gas (F&G) systems. This unit is supplied 100% brand new and original, supporting full compliance with SIL3 safety requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| System Compatibility | Yokogawa ProSafe-RS SIS |
| Channel Density | 16 analog channels (32 points, dual-point) |
| Safety Rating | SIL3 compliant |
| Termination Method | M4 screw terminals |
| Module Interface | KS1 cable (e.g., SAI143) |
| Mounting | 19-inch rack mountable |
| Insulation Resistance | > 100 MΩ |
| Voltage Tolerance | 500 V AC (1 minute) |
| Dimensions | 124 mm × 120 mm × 25 mm |
| Weight | 1.5 kg |
Engineering Advantages
Critical Signal Isolation
High insulation resistance (>100 MΩ) minimizes ground loops and signal leakage, ensuring stable 4–20 mA safety signal transmission.
Compact Rack Integration
19-inch rack-mount design allows high-density installation, enabling efficient management of multiple safety I/O channels within limited cabinet space.
Vibration-Resistant Connections
M4 screw terminals provide strong mechanical fastening, ensuring long-term reliability in high-vibration environments such as offshore and heavy industry.
Seamless SIS Integration
Standard KS1 cable interface enables quick, error-free connection to ProSafe-RS I/O modules, reducing commissioning time and complexity.
FAQs
Does the SEA4D-01 support both AI and AO signals?
Yes, it supports analog signal handling for both input and output applications, depending on the connected I/O module.
How does it contribute to SIL3 compliance?
It forms part of the certified hardware chain, providing robust electrical isolation and voltage tolerance to maintain overall loop integrity.
Can third-party cables be used?
It is recommended to use original KS1 cables to ensure proper shielding and maintain SIL certification.
Is this unit refurbished or surplus?
No, all units are supplied 100% brand new in original Yokogawa factory packaging with full documentation.
| 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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