ABB LT C743CE02 3BHE013299R0002 Control and Communication Board

Key Features

• Multi-Protocol Communication – Supports Modbus TCP/IP, PROFIBUS DP, and CANopen (via optional adapters) for seamless integration with PLC, DCS, and SCADA systems

• Modular Hot-Swappable Design – Allows board replacement without disassembling the entire drive, minimizing downtime

• Built-in Diagnostics – Detects communication errors and hardware faults, sending alerts for proactive maintenance

• Compact Form Factor – Designed for space-constrained VFD cabinets and control racks

• Industrial-Grade Construction – Engineered for reliable operation in demanding industrial environments

Technical Parameters

Core Advantages

1. Critical Control-to-Communication Interface

The LT C743CE02 serves as the central communication hub within the drive cabinet, connecting the drive’s main control unit (MCU) to field devices and higher-level systems. It receives command signals (speed setpoints, start/stop commands) from PLCs, DCS, or SCADA via industrial protocols and converts these to electrical commands for the MCU. Real-time drive data—motor speed, current, fault codes—is transmitted back using the same protocols.

2. Minimized Downtime Through Modular Design

The board’s modular architecture allows for hot-swappable replacement—if the board fails, it can be swapped out without shutting down the entire drive. This reduces unplanned downtime compared to replacing the complete drive unit. Built-in diagnostics detect communication errors or hardware faults early, enabling proactive maintenance before issues escalate.

3. Seamless Multi-Protocol Integration

Support for Modbus TCP/IP and PROFIBUS DP (with CANopen via optional adapters) makes this board compatible with a wide range of control systems beyond ABB—including Siemens and Allen-Bradley platforms. This eliminates the need for protocol converters, reducing installation time and costs.

4. Space-Efficient and Field-Proven

The compact form factor fits easily into crowded VFD cabinets, making it ideal for retrofits or new installations where panel space is limited. Field engineers note that verifying the backplane connection is critical during installation—loose pins can cause intermittent communication faults.

Applications

The ABB LT C743CE02 is deployed across industrial drive and control applications:

Primary Functions

• Upstream Communication – Receives command signals from PLC/DCS/SCADA

• Downstream Data Transmission – Transmits real-time drive data and fault codes

• Signal Conversion – Converts protocol signals to electrical commands for MCU

• Diagnostic Reporting – Detects and reports communication and hardware faults

Recommended Models & Related Products

Note: This part number is referenced across multiple ABB product lines. Always verify the exact board labeling and system application against your existing unit before ordering.

What’s Included

• 1 × ABB LT C743CE02 Control and Communication Board (3BHE013299R0002)

Note: Drive unit, backplane, cables, and configuration software are sold separately.

Why Buy From Us?

• New and Original – Genuine ABB product

• In Stock – Ready to ship immediately

• Fully Tested – Each unit verified for functionality

• Warranty Included – Purchase with confidence

• Technical Support – System compatibility assistance available

Frequently Asked Questions (FAQ)

Q1: What is the ABB LT C743CE02 (3BHE013299R0002)?

It is a Control and Communication Board (CCB) designed for ABB’s ACS880/ACS500 series variable frequency drives. It serves as the interface between the drive’s main control unit and external systems, handling signal processing and communication protocols.

Q2: What communication protocols does this board support?

It supports Modbus TCP/IP and PROFIBUS DP, with CANopen available via optional adapters.

Q3: Is this board hot-swappable?

Yes. The modular design allows for hot-swappable replacement, minimizing downtime when the board needs to be replaced.

Q4: What are the physical dimensions of this board?

Approximately 120 mm (W) × 80 mm (H) × 247 mm (D).

Q5: What is the weight of this board?

Approximately 1.12 kg.

Q6: What is the power supply requirement?

The board operates on 24V DC from the drive’s internal power supply.

Q7: Is this a genuine ABB product?

Yes. This is a genuine ABB control and communication board with order number 3BHE013299R0002.

Q8: What should I verify before ordering?

Always verify the exact part number (3BHE013299R0002), confirm your drive model (ACS880/ACS500 series), and check the existing board configuration before ordering. Note that this part number appears in multiple ABB product line references, so confirm the physical board labeling matches your application.