ATA4S-00 S2 Yokogawa Terminal Block Datasheet & Manual

ATA4S-00 S2 Yokogawa Analog Input Pressure Clamp Terminal Block（副本）

ATA4S-00 S2 Yokogawa Analog Input Pressure Clamp Terminal Block（副本）

Availability: 10 left in stock

Yokogawa ATA4S-00 S2 Pressure Clamp Terminal Block The Yokogawa ATA4S-00 S2, also cataloged as the ATA4S-00 Pressure Clamp Terminal Block,...

Manufacturer: Yokogawa
Product Type: Terminal Blocks
Product Origin: Japan
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa ATA4S-00 S2 Pressure Clamp Terminal Block

The Yokogawa ATA4S-00 S2, also cataloged as the ATA4S-00 Pressure Clamp Terminal Block, operates as a dedicated hardware component for secure signal termination and field-to-module connectivity within CENTUM VP and CS 3000 control networks.

Hardware Specifications

Parameter	Specification
Model	ATA4S-00 S2
Brand	Yokogawa
Origin	Japan
Weight	0.6 kg
Dimensions	50 mm x 130 mm x 150 mm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	Passive Component
Terminal Type	Pressure Clamp
System Compatibility	AAI141-H00 / FIO Analog I/O
Mounting Type	Panel / Rack Mount

DCS Process Control Connectivity

The ATA4S-00 S2 terminal block is engineered to interface directly with Yokogawa FIO (Field Control Station I/O) modules, specifically supporting analog input configurations such as the AAI141. The pressure clamp design maintains mechanical contact force on conductors, minimizing contact resistance in low-voltage signaling loops. The assembly facilitates 4-20 mA HART loop protocol transmission by providing a stable, vibration-resistant termination point that supports consistent loop impedance. This termination architecture is constructed to maintain strict channel-to-channel isolation when paired with compatible I/O modules, preventing cross-talk and minimizing noise injection from external field cabling into the DCS signal processing environment.

Frequently Asked Questions

Q: Can the ATA4S-00 S2 be utilized for both analog and digital I/O signals?

A: The ATA4S-00 S2 is specifically engineered as a pressure clamp terminal block for analog signal applications. While the mechanical form factor may appear similar to other terminal types, use this module only with compatible analog I/O modules to ensure the internal wiring paths and terminal configuration meet the signal requirements of the loop.

Q: Does the terminal block provide internal surge protection for the connected I/O?

A: The ATA4S-00 S2 functions as a passive termination interface. It does not contain active surge suppression or galvanic isolation circuitry. Over-voltage protection and electrical isolation are managed by the associated I/O module and external field-side surge arrestors.

Field Installation Guidelines

Mounting: Secure the terminal block to the cabinet mounting plate using the designated fastening points. Ensure the block is oriented to facilitate clear access for field wiring and provides adequate clearance for cable bending radii.
Wiring: Strip field conductors to the length specified by the terminal block documentation (typically 8 mm to 10 mm). Insert the conductor into the pressure clamp and tighten to the manufacturer-specified torque to ensure a vibration-proof connection.
Shielding: Terminate cable shields to the cabinet ground bar as close to the terminal block as possible. This establishes a low-impedance path to ground, which is necessary to maintain the EMI/RFI immunity of the analog signal loop.
Maintenance: Periodically check the pressure clamp connections for mechanical security, especially in environments subject to thermal cycling or mechanical vibration. Retorque connections if resistance measurements indicate contact degradation.

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