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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Yokogawa ASD143 Product Introduction
The Yokogawa ASD143 is a high-performance analog input safety barrier designed for use in hazardous areas. It ensures safe and reliable signal transmission between field devices and control systems by limiting the energy transferred to the hazardous area. The ASD143 is widely used in industries such as oil and gas, chemical, and pharmaceutical, where intrinsic safety is critical.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | ASD143 |
| Input Signal | 4-20 mA (Analog) |
| Output Signal | 4-20 mA (Analog) |
| Supply Voltage | 10.5 – 30 V DC |
| Operating Temperature | -20°C to +60°C |
| Hazardous Area Certification | ATEX, IECEx, UL, CSA |
| Dimensions | 107.5 × 130 × 32.8 mm |
| Weight | 0.3 kg |
| Mounting | DIN rail mounting |
| Protection Class | IP20 |
| Isolation Voltage | 250 V AC/DC |
Product Applications
The Yokogawa ASD143 is ideal for applications requiring intrinsic safety barriers in hazardous environments. Key applications include:
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Process Control Systems: Ensures safe signal transmission in oil refineries and chemical plants.
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Gas Detection Systems: Used with gas sensors in hazardous zones.
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Pharmaceutical Manufacturing: Provides safety in environments with flammable substances.
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Power Plants: Protects control systems from explosive atmospheres.
Product Advantages
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High Reliability: Ensures stable signal transmission with minimal distortion.
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Wide Certification: Complies with ATEX, IECEx, UL, and CSA standards.
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Compact Design: Saves space in control cabinets.
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Easy Installation: DIN rail mounting simplifies setup.
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Robust Construction: Suitable for harsh industrial environments.
Frequently Asked Questions (FAQ)
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What is the purpose of the ASD143?
The ASD143 acts as a safety barrier to prevent ignition in hazardous areas by limiting energy. -
What certifications does the ASD143 have?
It is certified by ATEX, IECEx, UL, and CSA for use in explosive atmospheres. -
Can the ASD143 be used with 4-20 mA sensors?
Yes, it is designed for 4-20 mA analog signals. -
What is the operating temperature range?
It operates between -20°C and +60°C. -
How is the ASD143 mounted?
It is mounted on a standard DIN rail. -
What is the isolation voltage of the ASD143?
The isolation voltage is 250 V AC/DC. -
Is the ASD143 suitable for Zone 0 applications?
Yes, it can be used in Zone 0, 1, and 2 hazardous areas. -
What is the weight of the ASD143?
It weighs 0.3 kg. -
Can the ASD143 be used in outdoor environments?
No, it has an IP20 rating and is designed for indoor use. -
Does the ASD143 require maintenance?
No, it is maintenance-free under normal operating conditions.
Recommended Related or Similar Models
| Model | Description |
|---|---|
| ASD144 | Analog input safety barrier with HART support |
| ASD145 | Dual-channel analog input safety barrier |
| ASD146 | High-density analog input barrier |
| ASD147 | Temperature transmitter safety barrier |
| ASD148 | Digital input safety barrier |
| ASD149 | Fieldbus safety barrier |
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