A1BA4D-05

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Model	A1BA4D-05
Brand	YOKOGAWA
Product Type	Analog Terminal Board (FIO System)
Configuration	Single/dual-redundant; 16-channel ×1 or 8-channel ×1
Mounting Type	DIN rail (35 mm)
Signal Connections	Pressure clamp terminals; KS cable adapter; MIL connector (customer-furnished)
Weight	0.3 kg (shipping weight: 1.5 kg)
Dimensions (W×H×D)	263 mm × 138 mm × 88 mm
Suffix Code	-05 (basic type, no explosion protection)
Compatibility	Yokogawa DCS/FIO systems (Centum CS/VP, ProSafe-RS)
Environment	Operating: -10°C to +60°C; Storage: -20°C to +70°C (non-condensing)

A1BA4D-05

3. Advantages and Features

• Flexible Signal Routing: Supports multiple connection methods (terminals, KS cables, MIL connectors) for versatile field device integration.
• Redundancy Support: Dedicated terminal blocks for dual-redundant configurations, enhancing system reliability.
• Space-Saving Design: Compact DIN rail mount reduces panel space requirements in control cabinets.
• Easy Maintenance: Modular design allows quick replacement without disrupting system operations.
• Cost-Effective: Basic configuration (no explosion protection) suits non-hazardous industrial settings.

4. Application Areas and Use Cases

• Industries: Manufacturing, energy, water treatment, chemical processing.
• Scenarios: Analog signal termination for DCS I/O modules, field device wiring, redundant system setups.
• Use Case: A manufacturing plant integrated 20 A1BA4D-05 boards to manage analog signals (4–20 mA) from temperature and pressure sensors in its Centum VP DCS, achieving 99.9% signal integrity and simplified maintenance.

5. Competitor Comparison

• Channel Density: 16-channel ×1 configuration (vs. 8–12 channels in alternatives) for high-density applications.
• Redundancy Flexibility: Native dual-redundant support (no additional adapters required), reducing installation complexity.
• Yokogawa Ecosystem Fit: Pre-engineered compatibility with Yokogawa’s I/O modules and diagnostics, minimizing commissioning time.
  

  A1BA4D-05

6. Selection Recommendations

• Channel Requirements: Choose 16-channel ×1 (high-density) or 8-channel ×1 (sparse) based on system I/O needs.
• Environment: Suitable for non-hazardous zones (no explosion protection); use alternative models (e.g., A1BA4D-XX with explosion protection) for hazardous areas.
• Mounting Space: Ensure DIN rail availability (35 mm) and panel dimensions (263 × 138 mm) fit the enclosure.
• Redundancy Needs: Opt for dual-redundant configuration (with compatible I/O modules) for critical processes.

7. Precautions

• Installation: Torque terminals to 0.5–0.8 N·m to prevent loose connections; follow Yokogawa’s wiring diagrams.
• Signal Integrity: Use shielded cables for analog signals to minimize interference; avoid mixing power and signal wiring.
• Maintenance: Inspect terminals annually for corrosion or looseness; replace worn terminals promptly.
• Compatibility: Verify compatibility with Yokogawa I/O modules (e.g., AAD11, AAM11) before deployment.