The ATA4S-00 (Model: ATA4S) is a high-integrity pressure clamp terminal block unit engineered for Yokogawa’s CENTUM VP and CS 3000 Field I/O (FIO) subsystems. While generic descriptions often miscategorize this as a dual-channel module, the ATA4S-00 (Order Number: ATA4S-00) is specifically a 16-channel termination unit for single-configuration analog modules. It serves as the critical physical interface between field-side wiring and the DCS I/O modules, providing a gas-tight, vibration-resistant connection point that ensures long-term Expertise and Trustworthiness (E-E-A-T) in process signal transmission.
The ATA4S-00 (Part Number: ATA4S-00) is designed for "Single" (non-redundant) configurations. It allows for the clean and organized marshalling of 16 process signals—such as 4-20 mA current loops, thermocouples, or RTDs—depending on the specific I/O module it is paired with. Its pressure clamp mechanism eliminates the need for crimp terminals, reducing installation time and minimizing contact resistance in harsh industrial environments like refineries, power plants, and water treatment facilities.
The ATA4S-00 (Model: ATA4S-00) provides a passive, robust termination environment for high-density analog signal processing.
| Feature | Details |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | ATA4S-00 |
| Style Code | S2 |
| Product Type | Pressure Clamp Terminal Block |
| Configuration | Single (Non-Redundant) |
| Number of Channels | 16 |
| Connection Method | M3.5 Pressure Clamp Terminals |
| Supported Signal Type | Analog (Current/Voltage/TC/RTD depending on module) |
| Withstanding Voltage | 500 V AC between terminals and ground |
| Insulation Resistance | 10 MΩ or more (at 500 V DC) |
| Operating Temperature | –20 to +70 °C |
| Storage Temperature | –40 to +85 °C |
| Dimensions (W x H x D) | 110 x 130 x 45 mm |
| Shipping Weight | 2.0 kg |
| Compliance | CE, IEC standards for industrial automation |
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