Description

Yokogawa A1BD5D-06 Terminal Board for Digital

The Yokogawa A1BD5D-06, also cataloged as the A1BD5D Terminal Board for Digital, operates as a dedicated hardware component for handling 32-channel digital signal interfacing within CENTUM VP Field I/O subsystems. It accommodates both single and dual-redundant configurations and provides direct DIN rail mounting for system integration.

Hardware Specifications

Parameter	Specification
Model	A1BD5D-06
Brand	Yokogawa
Origin	Japan
Signal Type	Digital
Channel Capacity	32 channels × 1
Redundancy	Single and dual-redundant configurations supported
Mounting Type	DIN rail
Connection Adapter	ATK4A
Compatible Interface Cables	AKB331, AKB337
Withstanding Voltage	500 V AC for 1 minute (16 pts × 1)
Insulation Resistance	≥ 10 MΩ at 500 V DC
Net Weight	0.53 kg
Operating Temp	0 to 55 degC
Power Consumption	Dependent on connected FIO module

Process Control Connectivity Features

The A1BD5D-06 incorporates channel-to-channel isolation to minimize electrical interference and supports 4-20 mA HART loop protocol monitoring when interfaced with compatible FIO modules. Cold junction compensation (CJC) is implemented on associated modules for accurate temperature-dependent signal processing, and FOUNDATION Fieldbus/Profibus PA connectivity is supported via proper interface cabling.

Frequently Asked Questions

Q: Can the A1BD5D-06 module be hot-swapped?
A: Hot swapping is not supported; the module must be powered down prior to insertion or removal.

Q: What is the maximum isolation voltage between channels?
A: Each channel is rated for 500 V AC for 1 minute against adjacent channels.

Q: Are there specific cable types required for installation?
A: Only AKB331 or AKB337 interface cables are certified for direct connection to this terminal board.

Field Installation Guidelines

• Mount the A1BD5D-06 on a standard DIN rail ensuring secure mechanical engagement.
• Route digital field wires to maintain separation from high-voltage lines to prevent noise coupling.
• Ensure proper grounding of the DIN rail and shielded cabling to reduce electromagnetic interference.
• Maintain ambient temperature within 0 to 55 degC and avoid exposure to moisture accumulation.
• Verify correct ATK4A adapter installation and cable orientation before powering the system.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems