Product Overview

The ATK4A-00 S1 (Model: ATK4A-00 S1) is a high-reliability interface adapter engineered for Yokogawa’s CENTUM VP and CS 3000 Field I/O (FIO) subsystems. It is specifically designed to bridge high-density analog modules and remote terminal boards via KS series cables. While generic documentation may occasionally misidentify this as a standalone signal converter, the ATK4A-00 S1 (Order Number: ATK4A-00-S1) is technically a 40-pin KS Cable Interface Adapter. It mounts directly onto the front of I/O modules—such as the AAI143 or AAI543—converting their standard field interface into a specialized 40-pin connector.

The "S1" hardware revision is optimized for the latest Vnet/IP environments, ensuring low-impedance signal transmission and high mechanical stability for 16-channel analog signals. By implementing the ATK4A-00 S1 (Part Number: ATK4A-00-S1), system integrators can replace tedious point-to-point wiring with pre-fabricated KS cables. This modular approach significantly reduces wiring errors, simplifies marshalling cabinet design, and accelerates maintenance procedures in critical industrial sectors like petrochemical refining and power generation.

Detailed Technical Specifications

The ATK4A-00 S1 is a passive yet critical hardware component designed for precise signal marshalling.

• Manufacturer: Yokogawa Electric Corporation

• Model Number: ATK4A-00 S1

• Style Code: S1 (Optimized hardware revision)

• Product Type: KS Cable Interface Adapter

• Interface Connector: 40-pin connector for KS Cable attachment

• Signal Capacity: Supports up to 16 Analog Channels (Input or Output)

• Module Compatibility: Works with AAI141, AAI143, AAI541, AAI543, and similar FIO modules

• System Bus Compatibility: Fully compatible with Vnet/IP and legacy FIO nodes

• Mounting Method: Direct plug-in mount to the front of FIO I/O modules

• Contact Resistance: Optimized for negligible resistance to maintain RTD, TC, and 4-20mA accuracy

• Insulation Resistance: 100 MΩ or more (at 500 V DC)

• Withstanding Voltage: 500 V AC between terminals and ground

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

• Net Weight: 0.08 kg (0.17 lbs)

• Manufacturing Origin: Japan

Core Application Scenarios

The ATK4A-00 S1 (Order Number: ATK4A-00-S1) is essential for modernizing DCS wiring:

• High-Density Signal Marshalling: Linking 16-channel analog inputs to AEA4D terminal boards via a single KS cable.

• Rapid Maintenance: Enabling quick disconnection of entire I/O modules without loosening individual field wires.

• Cabinet Optimization: Reducing the space required for internal wiring by using pre-terminated multi-core cables.

• Vibration-Prone Environments: Providing a secure, locked connector interface that is more stable than individual screw terminals.