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Yokogawa ATT4S-00 S2 Terminal Block

في الأوراق المالية!
  • Part Number: ATT4S-00 S2
  • Brand: Yokogawa
  • Type: Terminal Blocks
  • Dimensions: 3.3x10.7x13cm
  • Country of Origin: Japan
  • Barcode: 8537101190

Additional Specifications

Color / Pattern
  • Brown
  • Orange
  • Black
Power Source
  • DC-powered
  • AC-powered
Communication Protocols
  • Ethernet
  • Modbus
  • Profibus
  • Serial
Controller Design
  • Modular
  • Compact
Tags: Terminal Blocks , Yokogawa CENTUM VP

وصف المنتج

The Yokogawa ATT4S-00 S2, also cataloged as the ATT4S Terminal Block, operates as a dedicated hardware component for thermocouple and millivolt (mV) signal connections within Yokogawa process control platforms.

Hardware Specifications

Parameter Specification
Model ATT4S-00 S2
Brand Yokogawa
Origin Unspecified
Weight 0.20 kg
Dimensions Compact terminal block footprint
Operating Temp Standard industrial limits
Storage Temp Unspecified
Power Consumption Passive physical termination unit
Signal Channels 16 channels (Thermocouple / mV inputs)
Connection Type Pressure clamp terminals
Isolation / Insulation 500 V AC withstanding voltage
Application Field variable wiring interface

Process Control Signal Integration and Isolation Architecture

  • Provides cold junction compensation (CJC) reference paths across pressure clamp terminals to maintain millivolt-level temperature accuracy.
  • Incorporates 500 V AC dielectric insulation ratings across terminal paths to ensure channel-to-channel isolation and prevent ground loop interference.
  • Facilitates direct 4-20 mA HART loop protocol transparent routing and millivolt sensor integration across high-density DCS I/O field interface blocks.

Frequently Asked Questions

Q: What termination mechanism is utilized on the ATT4S-00 S2 terminal block?

A: The module incorporates 16-channel pressure clamp terminals engineered for vibration-resistant wiring retention.

Q: What is the dielectric voltage withstand rating between signal terminals?

A: The terminal assembly is rated for a 500 V AC withstanding voltage, providing electrical surge protection across individual sensor channels.

Q: How does the terminal block prevent measurement errors across thermocouple channels?

A: The terminal housing integrates isothermal mass zones to minimize thermal gradients across field screw interfaces, maintaining precise cold junction compensation baseline integrity.

Field Installation Guidelines

  • Mount the terminal block securely onto the designated enclosure baseplate or DIN rail, verifying physical locking stability.
  • Strip field thermocouple leads to the specified length and insert fully into the pressure clamp terminals, tightening clamping screws to standard torque limits.
  • Terminate all cable shields at a single dedicated low-impedance earth bar within the cabinet to suppress high-frequency noise.
  • Maintain physical separation between low-level millivolt/thermocouple field wiring and high-voltage power cables in control panel wiring ducts.
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