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YOKOGAWA A1BD5D-05 Terminal Board

YOKOGAWA A1BD5D-05 Terminal Board

Configured for high-density signal distribution in DCS platforms, the YOKOGAWA A1BD5D-05 (A1BD5D-05 Terminal Board) provides direct physical/electrical execution of field wiring termination for digital I/O modules within CENTUM VP architectures.

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Availability: Low stock: 99 left

SKU: A1BD5D-05
Vendor: Yokogawa
Category: Terminal Board
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Configured for high-density signal distribution in DCS platforms, the YOKOGAWA A1BD5D-05 (A1BD5D-05 Terminal Board) provides direct physical/electrical execution of field wiring termination for digital I/O modules within CENTUM VP architectures.

Hardware Specifications

Parameter Specification
Model A1BD5D-05
Brand YOKOGAWA
Origin japan
Weight 0.70 kg
Dimensions Standard DIN-rail mount format
Operating Temp Standard Industrial Range
Power Consumption Passive Interface
Channel Capacity 32 channels x 1 block
Terminal Type Pressure clamp
Insulation Resistance >= 10 MΩ at 500 VDC

DCS Process Control and Connectivity

The A1BD5D-05 acts as the physical interface between field-level discrete devices and digital I/O modules. The board supports both single and dual-redundant module configurations, ensuring high-availability signal path management. To maintain signal integrity, the terminal board supports 600 V PVC-insulated wiring and maintains a withstanding voltage of 2.0 kVAC (between power and READY terminals). The board facilitates 24 VDC (+/- 10%) power distribution to connected field loops, providing a compact, DIN-rail mountable solution for space-constrained control cabinets.

Frequently Asked Questions

Q: Can the A1BD5D-05 be used for analog signal termination?

A: No, this terminal board is engineered specifically for digital I/O channels; utilizing it for analog signal paths may lead to impedance mismatches and signal distortion.

Q: Does the board provide internal fusing for the 32 channels?

A: The A1BD5D-05 acts as a signal pass-through terminal block. External fusing must be implemented according to the specific loop requirements and the protection standards of the field device.

Field Installation Guidelines

  1. DIN-Rail Mounting: Secure the board onto a standard 35 mm DIN-rail. Ensure the locking latch is fully depressed to prevent mechanical instability in high-vibration areas.
  2. Wiring Termination: Use pressure clamp terminals for all connections. Ensure that wire ferrules are used for stranded conductors to maintain a gas-tight electrical contact and prevent strand splaying.
  3. Earthing and Shielding: Bond the terminal board frame to the cabinet instrument earth. Maintain continuity for all signal cable shields to the designated grounding rail to minimize electromagnetic interference (EMI).
  4. Segregation: Maintain a physical separation of at least 150 mm between the digital signal wiring on this board and high-voltage power conduits to prevent transient coupling.