Yokogawa AST143-S00 CENTUM VP 16-Channel TC/mV Input Module

Product Overview

The Yokogawa AST143-S00 functions as a high-density temperature and millivolt sensing solution for the CENTUM VP and CS 3000 Distributed Control Systems (DCS). This 16-channel module interfaces directly with Thermocouples (TC) and low-voltage mV signals, converting thermal data into precise digital values for the Field Control Station (FCS). It handles wide-ranging temperature monitoring tasks across petrochemical, power generation, and pharmaceutical sectors. We supply this unit as 100% Brand New and Original, ensuring your critical thermal loops maintain factory-calibrated accuracy and long-term stability.

Part Number Breakdown

The AST143-S00 suffix configuration identifies the specific hardware grade and functional type:

Technical Specifications

The AST143-S00 manages extensive sensor types with high-resolution signal processing.

• Number of Channels: 16 independent input channels.

• Supported Input Types: Thermocouples (TC), Millivolt (mV), RTDs, and Thermistors.

• Thermocouple Range: -200 to 1500°C (Depends on TC type).

• RTD Range: -200 to 800°C.

• Thermistor Range: -50 to 150°C.

• Internal Output: Converts raw signals to system-internal 4 to 20 mA digital representation.

• Isolation: Galvanic isolation between field signals and the system backplane.

• Condition: Guaranteed 100% Brand New Original.

Engineering Advantages

The AST143-S00 resolves specific temperature monitoring challenges through superior hardware design:

• Multi-Sensor Versatility: This module accepts Thermocouples, RTDs, and Thermistors simultaneously across its 16 channels. This flexibility eliminates the need for separate, dedicated modules for different sensor technologies, drastically reducing spare parts inventory and simplifying cabinet design.

• High-Density Thermal Mapping: By consolidating 16 channels into a single module slot, the AST143-S00 enables comprehensive temperature profiling of reactors, boilers, and distillation columns. It maximizes I/O density in the FCS rack, allowing for more measurement points without increasing the hardware footprint.

• Advanced Noise Rejection: Low-voltage mV and TC signals often suffer from electromagnetic interference in industrial environments. The AST143-S00 incorporates robust filtering and differential input circuitry to reject common-mode noise, ensuring stable temperature readings even when installed near high-power motors or VFDs.

• Cold Junction Compensation (CJC) Accuracy: The module utilizes precise internal cold junction compensation to maintain reading integrity despite ambient temperature fluctuations within the control cabinet. This eliminates the error common in low-grade temperature interfaces.

FAQs

• Does the AST143-S00 support all standard Thermocouple types (K, J, T, E, etc.)?

  Yes. The module supports all major Thermocouple types defined by international standards. You select the specific TC type for each channel within the CENTUM engineering software during the I/O configuration process.

• Can I mix RTDs and Thermocouples on the same module?

  The AST143-S00 hardware allows for diverse input types. However, always refer to your specific terminal board wiring diagram to ensure the correct 2-wire, 3-wire, or 4-wire connection for each sensor type.

• What is the benefit of the "-S00" version?

  The S00 designation represents the standard hardware revision. It provides a cost-effective, high-performance solution for general-purpose temperature monitoring in non-explosive atmospheres or standard control rooms.

• Is this part brand new or refurbished?

  We sell only 100% Brand New hardware. This AST143-S00 ships in the original Yokogawa factory box with matching serial numbers and intact manufacturer seals, guaranteeing zero prior field use.