Overview

The HBI-100 is a signal processing unit designed for LED display dimming, 4-20mA signal conversion, and alarm output control. It features a high-performance 16-bit A/D converter and microprocessor, supporting 4 programmable alarm relay contacts (AL1, AL2, AL3, AL4) for monitoring applications.

1. Safety Information (p.3-4)

• Electrical Hazards:
  • Ensure power isolation before installation or maintenance.
  • The equipment operates at high voltage, requiring caution.
• Electrostatic Discharge (ESD) Precautions:
  • Handle PCBs with care to prevent static damage.
  • Use conductive packaging for PCB storage.
  • DO NOT remove or install PCBs while power is applied.

2. Storage Before Installation (p.5)

• Store the equipment in a dry, covered area to protect from moisture and extreme temperatures.
• Inspect components for physical damage before installation.
• Ensure that packing cases are stored in a dry area to avoid water damage.

3. Features (p.6)

• 4-20mA current input signal processing.
• High-performance 16-bit A/D converter and microprocessor.
• 4 programmable alarm relay contacts (AL1, AL2, AL3, AL4).
• Dimming function for LED display adjustment.
• Hysteresis band configuration for stable alarm management.
• 30 linear section conversion for level-to-volume transformation.

4. Technical Specifications (p.6-7)

• Dimensions: 36(W) × 144(H) × 111.5(D) mm
• Material: ABS
• Accuracy: ±1% at 25°C ±5°C
• Measurement Period: 300ms
• Input Resistance: 68Ω (internal resistance for 4-20mA signals)
• Operating Temperature: -10°C to +50°C (10~90% RH)
• Storage Temperature: -20°C to +70°C (5~95% RH)
• Weight: 325g (approx.)
• Mounting: Panel mount
• Power Supply:
  • 24V DC (18-32V range)
  • Max Power Consumption: 5.04W (24VDC, Imax=220mA)

5. Layout & Panel Cut (p.7)

• Control Buttons:
  • MODE: Used for settings.
  • L/V: Switches between Level and Volume display modes.
  • BS: Buzzer stop key & UP key in setting mode.
  • DM: Dimmer control for LED lighting.

6. Connection & Power (p.8)

• 4-20mA Input Signal Processing:
  • Converts input current to voltage signal via 68Ω resistor.
• Power Isolation:
  • External power circuit and internal signal processing circuits are electrically isolated.

7. Main Functions (p.9-11)

• Scaling Function:
  • Allows PV (process variable) scaling for custom display ranges.
• Alarm Delay Setting:
  • Prevents false alarms by setting ON/OFF delay time (0-99 sec.).
• Input Transformation:
  • Supports linear conversion of 4-20mA input to user-defined values.
• Zero & Span Adjustment:
  • Provides manual correction for sensor offset values.

8. Operation & Configuration (p.11-12)

• Factory Mode: Pre-configured default settings for manufacturing.
• Setting Mode: Allows user customization for alarm setpoints, scaling, and delay times.
• Data Storage: Stores user settings in internal memory for non-volatile operation.
• Alarm Function:
  • Volume-based alarm activation with adjustable delay settings.

9. Revision History (p.13)

• Version R1 (2025.03.03) – Initial release.