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A1BA4D Terminal Board Yokogawa

A1BA4D Terminal Board Yokogawa

The Yokogawa A1BA4D, also cataloged as the A1BA4D Terminal Board, operates as a dedicated hardware component for analog signal interfacing within distributed control system platforms.

Suffix Breakdown & Model Matrix

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Disponibilidad: En existencias

SKU: A1BA4D
Proveedora: Yokogawa
tipo: Terminal Board
Related Series:

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The Yokogawa A1BA4D, also cataloged as the A1BA4D Terminal Board, operates as a dedicated hardware component for analog signal interfacing within distributed control system platforms.

Suffix Breakdown & Model Matrix

  • A1BA4D: Base model designation for analog input/output terminal board.
  • 0: Standard configuration code.
  • 6: Specification code denoting ISA Standard G3 conformal coating for corrosive environmental protection, excluding explosion-proof classification.

Hardware Specifications

Parameter Specification
Model A1BA4D
Brand Yokogawa
Origin Japan
Weight 0.3 kg
Dimensions Standard DIN rail mount form factor
Operating Temp -20 to 70 deg C
Power Consumption Not applicable (Passive component)
Channel Capacity 16-channel x 1 or 8-channel x 1
Redundancy Single and dual-redundant support

Process Control and Signal Interface

The A1BA4D terminal board supports 4-20 mA HART loop protocol connectivity between field instruments and I/O modules. The layout allows for flexible configuration, supporting either 16-channel single-loop or 8-channel redundant-loop architectures to meet specific control requirements. The board includes channel-to-channel isolation paths when populated with appropriate I/O cards, ensuring effective signal conditioning. With the inclusion of the G3 option, the circuit board assembly is protected against atmospheric contaminants, ensuring long-term signal stability in chemically aggressive industrial atmospheres.

Frequently Asked Questions

Q: Is this terminal board compatible with both single and redundant I/O module configurations?

A: Yes. The A1BA4D is designed to support both 16-channel single and 8-channel dual-redundant I/O configurations, depending on the specific module placement and wiring scheme.

Q: What does the "G3" suffix denote regarding environmental performance?

A: The G3 suffix indicates that the terminal board is manufactured with conformal coating compliant with ISA Standard G3, which provides protection against severe corrosion caused by airborne contaminants.

Field Installation Guidelines

  • Mount the unit on a standard 35 mm DIN rail in a vertical orientation to facilitate proper ventilation and cabling access.
  • Ensure all field wiring shields are grounded at the cabinet entry or terminal board ground bus to maintain signal integrity and meet EMI/RFI shielding requirements.
  • Verify wire gauge compatibility with the terminal block connectors before termination; ensure screws are tightened to correct torque specifications to prevent terminal heating.
  • For redundant configurations, cross-verify terminal mapping with the system I/O database to ensure A/B channel assignment matches the control strategy.