المنتج
YOKOGAWA A1BA4D-05 | Terminal Board for CENTUM VP Analog I/O Modules
A1BA4D-05
The YOKOGAWA A1BA4D-05 is a 16-channel DIN rail mountable terminal board designed for analog signals in Yokogawa CENTUM VP distributed control systems. It provides reliable signal termination and wiring convenience for connecting analog input and output modules in industrial automation environments.
Efficient Signal Interfacing for CENTUM VP Systems
The YOKOGAWA A1BA4D-05 Terminal Board is specifically designed to facilitate clean and organized signal connections between field instrumentation and Yokogawa CENTUM VP analog I/O modules. Operating seamlessly with compatible analog cards such as AAI141, AAI143, AAV141, AAV144, AAB841, and related models via dedicated KS cables, the terminal board ensures low-noise signal distribution and high insulation performance across complex industrial processes.
Single and Dual-Redundancy System Support
To meet the high-availability demands of modern industrial automation, the A1BA4D-05 supports both single and dual-redundant module setups. It is equipped with dual connectors (CN1 and CN2) to allow seamless integration into duplexed I/O configurations, ensuring uninterrupted control loops and fault tolerance in critical operational environments.
Compact DIN Rail Design with Pressure Clamp Terminals
The terminal board utilizes advanced pressure clamp connection technology, which eliminates screw-loosening issues caused by industrial vibration and significantly reduces wiring time. Its compact DIN rail-mountable form factor optimizes cabinet space, while standard M4 screw holes provide options for alternative wall-mounting layouts.
Applications
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Oil and Gas Refineries: Centralized analog measurement and transmitter signal marshalling.
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Chemical and Petrochemical Plants: Precision loop control and process variable monitoring.
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Power Generation Facilities: Boiler and turbine control instrumentation wiring.
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Water and Wastewater Treatment: Flow, pressure, and level measurement signal termination.
Technical Specifications
| Parameter | Specification Details |
| Model | A1BA4D |
| Suffix Code | -05 (Basic type with no explosion protection) |
| Description | Terminal Board for Analog (Single and dual-redundant, 16-channel x 1 or 8-channel x 1) |
| Mounting Type | DIN Rail Mount Type (Optional wall mounting via M4 screw holes) |
| Terminal Type | Pressure Clamp Terminals (Compatible with 0.5 to 2 mm² wires) |
| Compatible I/O Modules | AAI141, AAI143, AAV141, AAV144, AAB841, AAI841, AAV544, AAI1543, AAT145 |
| Connection Cable | KS1 Cable |
| Insulation Resistance | 10 MΩ or greater at 500 V DC |
| Withstanding Voltage | 500 V AC for 1 minute (Between channels) |
| External Dimensions | Approx. 100 mm (W) x 110 mm (H) x 54 mm (D) |
| Approximate Weight | Approx. 0.30 kg |
FAQ
Q: Which analog I/O modules are compatible with the A1BA4D-05 terminal board?
A: The A1BA4D-05 is compatible with multiple Yokogawa CENTUM VP analog modules, including AAI141, AAI143, AAV141, AAV144, AAB841, AAI841, AAV544, and AAT145.
Q: Does the A1BA4D-05 support dual-redundant module configurations?
A: Yes, the terminal board features dual connectors (CN1 and CN2) to support both single and dual-redundant I/O module setups.
Q: What type of wiring connection is used on the A1BA4D-05?
A: It features pressure clamp terminals, which support secure wire installation without requiring traditional screw tightening.
Q: Is the A1BA4D-05 explosion-protected?
A: The suffix code -05 indicates the basic type with no explosion protection.
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