Yokogawa AST143 TC/mV Input Module

製品紹介

The Yokogawa AST143 TC/mV Input Module is a precision analog input module designed for integration with Yokogawa DCS (Distributed Control System) platforms. This module is engineered to accurately measure signals from thermocouples (TC) and millivolt (mV) sources, providing reliable process data for monitoring, control, and automation applications. It supports multiple thermocouple types and mV input ranges, ensuring flexible compatibility with a wide range / temperature and process sensors.

The AST143 module is suitable for industries where precise temperature measurement is critical, including chemical processing, power generation, oil and gas, and manufacturing. It /fers high input accuracy, signal isolation, and robust performance, making it an ideal choice for industrial environments with demanding operating conditions.

製品仕様

Applications

The AST143 TC/mV Input Module is widely used in:

• Chemical and Petrochemical Plants: Measuring temperatures in reactors, furnaces, and pipelines.

• Power Generation Facilities: Monitoring boiler, turbine, and heat exchanger temperatures.

• Oil & Gas Industry: Recording temperatures in pipelines, compressors, and processing 台s.

• Water and Wastewater Treatment: Monitoring heating and cooling processes.

• Manufacturing Automation: Controlling processes requiring accurate temperature readings.

• Process Safety Systems: Providing real-time data for alarms and emergency shutdowns.

Advantages

• High Accuracy: ±0.1% full-scale accuracy ensures reliable process measurement.

• Multi-Type Thermocouple サポート: Compatible with B, E, J, K, N, R, S, and T thermocouples.

• mV Input Capability: Accepts millivolt signals for flexible sensor integration.

• Robust Signal Isolation: Channel-to-channel and channel-to-system isolation prevents interference.

• LED Status Indicators: Simplifies maintenance and troubleshooting.

• Seamless DCS Integration: Fully compatible with Yokogawa DCS backplane systems.

• Wide Operating Range: Reliable performance under varying temperature and humidity conditions.

• Enhanced Process Monitoring: Ideal for industrial processes requiring precise temperature control.

FAQ

1. How many input channels does the AST143 module support?
   It supports 16 independent TC/mV input channels.

2. What types / thermocouples are compatible with this module?
   Types B, E, J, K, N, R, S, and T are supported.

3. Can the module accept millivolt signals?
   Yes, it supports ±100 mV and ±50 mV configurable input ranges.

4. What is the input accuracy / the module?
   The module provides ±0.1% / full-scale accuracy.

5. Does the module provide electrical isolation?
   Yes, it provides channel-to-channel and channel-to-system isolation.

6. What is the response time for input signal processing?
   The response time is ≤ 500 ms.

7. Is the module compatible with Yokogawa DCS systems?
   Yes, it integrates seamlessly with the DCS backplane.

8. Does the module have visual indicators for troubleshooting?
   Yes, each channel has a dedicated LED indicator.

9. What is the operating temperature range?
   The module operates between 0°C and +55°C.

10. Can this module be used for process safety applications?
    Yes, it can provide critical temperature signals for alarm and emergency shutdown systems.

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