Product Description
The ASD143-P00/SB4S0 is a high-density digital input module designed for the Yokogawa CENTUM VP and related distributed control architectures. Unlike analog input modules, the ASD143-P00/SB4S0 is optimized for discrete signal monitoring, providing reliable detection of switch states, relay contacts, and limit sensors within industrial automation systems.
This module converts 24 V DC field signals into logic-level data for the DCS, enabling sequence control, safety interlocks, and process status monitoring. The module incorporates optical galvanic isolation to protect the internal system bus from electrical surges and transient field disturbances.
The ASD143-P00/SB4S0 is engineered for high-speed response, achieving millisecond-level signal detection suitable for safety-critical process sequencing and plant protection logic. The /SB4S0 suffix denotes a specific terminal connector configuration designed for secure, vibration-resistant field wiring connections.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | ASD143-P00/SB4S0 |
| Input Channels | 16 isolated digital inputs |
| Rated Input Voltage | 24 V DC (+20% / –15%) |
| Input Current | 4.1 mA per channel at 24 V DC |
| Isolation | Optical galvanic isolation |
| ON Voltage Threshold | ≥ 18 V DC |
| OFF Voltage Threshold | ≤ 5 V DC |
| Response Time | ≤ 8 ms (ON/OFF transitions) |
| Status Indicators | Per-channel LED diagnostics |
| Power Consumption | 150 mA at 5 V DC |
| Terminal Interface | /SB4S0 connector type |
| Operating Temperature | 0°C to 50°C |
| Weight | 0.3 kg |
Application
The ASD143-P00/SB4S0 is widely deployed in:
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Power plant burner management systems
-
Petrochemical valve position monitoring
-
Water and wastewater treatment pump control
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Industrial safety and interlock logic systems
It is particularly suitable for environments with high electrical noise or complex switching logic requirements.
Technical FAQ
Does the ASD143-P00/SB4S0 require external input power?
Yes. A 24 V DC field power supply is required to energize the input loops. Optical isolation ensures separation between field wiring and DCS internal circuitry.
How does the /SB4S0 suffix affect installation?
The /SB4S0 suffix specifies the physical connector and terminal layout. Proper wiring matching the pinout configuration is essential to avoid installation errors and ensure reliable signal acquisition.
| 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? |
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