Company Information | ||||||||
sales@xmjzjsgs.com | ||||||||
Mobile | +8613666033393 | |||||||
+8613666033393 | ||||||||
13666033393 | ||||||||
Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Introduction
The ABB GCU-02 3AXD50000028861 is a high-performance inverter mainboard, designed to serve as a central control unit in ABB’s drive systems. As a core component of the inverter, the GCU-02 handles power conversion management, signal processing, and communication with peripheral systems. It ensures the smooth and reliable operation of motor control systems in demanding industrial applications.
Manufactured with ABB’s rigorous standards and long-standing expertise in industrial automation, this mainboard offers exceptional precision, durability, and compatibility with ABB’s ACS and DCS series drives. Its compact and robust construction allows for easy integration and consistent performance in high-load, continuous-operation environments.
Technical Specifications
Parameter | Value |
---|---|
Model | GCU-02 |
Part Number | 3AXD50000028861 |
Product Type | Inverter Mainboard |
Function | Control unit for frequency converters |
Compatibility | ACS800, DCS800 Series Drives |
Input Voltage Range | 24V DC (from control supply) |
Communication Interfaces | Fiber optic, RS485, CAN, Modbus RTU |
Processor | High-speed digital signal processor (DSP) |
Cooling Method | Air-cooled (via drive unit) |
PCB Coating | Protective conformal coating |
Mounting Type | Plug-in / Slot Mount |
Ambient Operating Temp. | -10°C to +55°C |
Storage Temperature | -40°C to +70°C |
Relative Humidity | 5%–95% non-condensing |
Dimensions (L x W x H) | 110 x 80 x 25 mm |
Weight | 0.299 kg |
Applications
The ABB GCU-02 mainboard is specifically designed for applications involving industrial automation, energy systems, and motor control. Some of its typical use cases include:
-
Medium to large industrial motors and drives
-
Conveyor and material handling systems
-
Pump and fan control systems in HVAC
-
Marine propulsion systems
-
Mining and metallurgy equipment
-
Power generation and energy grid interfaces
-
Paper, pulp, and chemical production lines
Product Advantages
-
High Reliability – Designed for critical operations with high tolerance for electrical noise and thermal stress.
-
Easy Integration – Fully compatible with ABB ACS800 and DCS800 drive systems, minimizing retrofit challenges.
-
Robust Design – Encased in a conformally coated PCB to resist moisture, dust, and corrosive elements.
-
Enhanced Communication – Multiple industrial protocol interfaces ensure seamless integration with PLCs and control systems.
-
Long Lifecycle Support – Backed by ABB’s extensive support network, spare parts availability, and documentation.
-
Optimized Performance – Ensures accurate inverter control, optimizing motor efficiency and reducing power consumption.
-
Compact Form Factor – Saves panel space while providing all necessary control functions.
Frequently Asked Questions (FAQ)
-
What are the common failure symptoms of the GCU-02 mainboard?
Frequent drive faults, inconsistent inverter operation, or loss of communication with peripheral devices often indicate issues with the GCU-02. -
How can I identify whether my GCU-02 board is faulty or the issue lies elsewhere in the drive system?
Run a diagnostic test using ABB’s DriveWindow software. If control commands are not reaching the inverter despite stable power and peripheral connections, the GCU-02 may need replacement. -
Can the GCU-02 be hot-swapped while the system is running?
No. Always power down and discharge all capacitors before removing or inserting the mainboard to avoid electrical damage and personal injury. -
Is it necessary to update firmware after installing a new GCU-02 board?
Yes. Firmware compatibility must match the specific drive configuration. ABB recommends updating or matching firmware during installation. -
Does the GCU-02 board support closed-loop motor control?
Yes, it fully supports both open-loop and closed-loop control modes when paired with compatible encoder feedback modules. -
Can I use the GCU-02 with non-ABB sensors and control modules?
Only if they meet ABB’s interface and signal specifications. Third-party compatibility should be verified before deployment. -
What is the expected operational lifespan of the GCU-02 under normal conditions?
Typically 10+ years under stable temperature, humidity, and voltage conditions, assuming regular maintenance and drive cooling are properly maintained. -
How do I verify that my GCU-02 is the correct revision for my drive unit?
Check the firmware ID and hardware revision label on the board, and compare it with your drive’s specification in ABB’s compatibility chart. -
Are there recommended environmental conditions for storing a spare GCU-02 board?
Yes, it should be stored in anti-static packaging, within a temperature range of -40°C to +70°C, and kept away from humidity and direct sunlight. -
What precautions should be taken during installation to avoid damaging the board?
Wear ESD protection, ensure proper orientation when plugging in, avoid touching PCB tracks, and confirm all connectors are properly seated before powering up.
Related Models (Same Series or Compatible)
Model | Description | Compatibility | Weight | Dimensions (mm) |
---|---|---|---|---|
GCU-01 | Earlier version of GCU control board | ACS800 | 0.60 kg | 230 × 155 × 38 |
RMIO-02 | Relay and I/O interface board | ACS800/DCS800 | 0.50 kg | 210 × 150 × 30 |
SDCS-PIN-41 | Pulse input interface card | DCS800 | 0.45 kg | 220 × 140 × 32 |
SDCS-CON-4 | Control and communication board | DCS800 | 0.55 kg | 230 × 150 × 30 |
DDCS-Comm Board | Drive-to-drive communication board | ABB Drives | 0.48 kg | 210 × 140 × 25 |
SDCS-FEX-2 | Fiber optic extension interface | DCS800 | 0.40 kg | 205 × 145 × 28 |
Popular ABB Automation Modules (Other Series)
Model | Product Type | Series | Weight | Dimensions (mm) |
---|---|---|---|---|
CI854AK01 | Communication Interface Module | AC 800M | 0.45 kg | 120 × 80 × 30 |
PM864AK01 | CPU Processor Unit | AC 800M | 0.50 kg | 140 × 100 × 40 |
AI810 | Analog Input Module (8 ch.) | S800 I/O | 0.30 kg | 115 × 81 × 32 |
AO845A | Analog Output Module (4 ch.) | S800 I/O | 0.32 kg | 115 × 81 × 32 |
DO820 | Digital Output Module | S800 I/O | 0.34 kg | 115 × 81 × 32 |
CI840A | Communication Interface Module | S800 I/O | 0.38 kg | 115 × 81 × 32 |