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Product Overview

The ATA4D-00 (Model: ATA4D-00) is a high-availability terminal block unit specifically engineered for Yokogawa’s CENTUM VP and CS 3000 Field I/O subsystems. This unit serves as the physical interface between critical field instrumentation and the system's I/O modules, providing a vibration-resistant pressure clamp termination for up to 16 analog channels. The ATA4D-00 (Part Number: ATA4D-00) is designed for "Dual-Redundant" architectures, allowing field signals to be branched to two separate I/O modules simultaneously to ensure zero signal loss during module maintenance or hardware failure.

As a passive but critical interconnect component, the ATA4D-00 (Order Number: ATA4D-00) is optimized for clean electrical environments (version without surge absorbers). It is built to maintain signal transparency and integrity for 4-20mA or 1-5V analog loops. For deployment in harsh industrial atmospheres, such as chemical processing or pulp and paper mills, this unit supports ISA Standard G3 conformal coating, providing high resistance to corrosive gases and ensuring long-term operational reliability.

Detailed Technical Specifications

The ATA4D-00 provides robust signal routing and high-performance insulation for mission-critical analog loops.

  • Manufacturer: Yokogawa Electric Corporation

  • Model Number: ATA4D-00

  • Style Code: S2 (Latest hardware revision)

  • Product Type: Dual-Redundant Pressure Clamp Terminal Block

  • Application: 16-Channel Analog I/O (FIO System)

  • Redundancy: Dual-Redundant support for 1:1 module pairing

  • Connection Type: Pressure Clamp (Screwless termination)

  • Signal Capacity: 16 Input or Output Channels

  • Suffix Code -0: Standard version without integrated surge absorbers

  • Withstanding Voltage: 500 V AC between terminals and ground

  • Insulation Resistance: ≥ 10 MΩ (measured at 500 V DC)

  • Operating Temperature: –20°C to +70°C (Extended range support)

  • Ambient Humidity: 5 to 95% RH (Non-condensing)

  • Mounting: Rack mount or DIN rail via specific base unit

  • Dimensions (W x H x D): 110 mm $\times$ 130 mm $\times$ 60 mm

  • Net Weight: 0.7 kg

  • Shipping Weight: 2.0 kg

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