ED1780A HEDT300340R1

Description

1. Product Description

2. Key Technical Parameters

Parameter	Specification
Brand	ABB
Model	ED1780A HEDT300340R1
Type	System Bus Amplifier Module
Voltage	12V DC (±10%)
Current	2–22 mA (input); 0.5A (max module current)
Signal Types	Analog (4–20 mA, ±10V), temperature (RTD/TC), digital (24V DC)
Interface	ABB ConTrans I-Remote bus
Channels	Configurable (analog/digital mix)
Compatibility	ABB DCS systems (e.g., Symphony, Freelance)
Dimensions	1.5 cm x 20 cm x 30.2 cm
Weight	0.24 kg
Operating Temperature	-10°C to +50°C (non-condensing)
Warranty	12 months

ED1780A HEDT300340R1

3. Advantages and Characteristics

• Modular Scalability: Supports ConTrans I-Remote nodes for expanding signal capacity (e.g., 10+ nodes per network).
• Versatile Signal Handling: Integrates analog, temperature, and digital signals in a single module.
• Rugged Design: Industrial-grade construction with IP20 protection against dust and moisture.
• Easy Integration: Plug-and-play compatibility with ABB DCS systems, reducing commissioning time.
• Energy Efficiency: Low power consumption (12V DC) for sustainable operations.
• Long-Term Support: Backed by ABB’s global service network and firmware updates.

4. Application Fields and Cases

• Industries: Manufacturing (assembly lines), energy (power plants), water treatment, and chemical processing.
• Scenarios: Process monitoring, actuator control, and distributed I/O expansion.
• Case Study: A manufacturing plant used the ED1780A HEDT300340R1 to integrate 50+ analog sensors into its DCS. The module’s signal conditioning and bus amplification reduced signal loss by 20%, improving process accuracy and uptime.

5. Competitor Comparison

Compared to generic bus amplifier modules, the ED1780A HEDT300340R1 offers superior compatibility with ABB’s DCS ecosystem, eliminating the need for adapters. Its modular design allows mixed signal configurations (analog/digital) in a single unit, outperforming fixed-channel alternatives. The module’s compact size (30% smaller than legacy models) and low power consumption also enhance space efficiency and sustainability.

ED1780A HEDT300340R1

6. Selection Suggestions

• Signal Requirements: Match analog/digital channel needs (e.g., 4–20 mA for transmitters, RTD for temperature).
• System Compatibility: Verify ABB DCS model (Symphony/Freelance) and ConTrans I-Remote support.
• Environment: Ensure temperature (-10°C to +50°C) and humidity (non-condensing) match site conditions.
• Scalability: Plan node expansion (10+ nodes) for future signal additions.

7. Precautions

• Installation: Power off systems before installation; follow ABB’s wiring guidelines for signal/voltage isolation.
• Configuration: Use ABB’s System 800xA software for channel setup and calibration.
• Maintenance: Regularly inspect connectors for corrosion; schedule firmware updates via ABB service tools.
• Safety: Comply with local electrical codes (e.g., IEC 61131-2) and use surge protectors for field wiring.