NINT-68C ABB ACS600 ACS800 Fiber Optic Interface Board
Manufacturer: ABB
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Part Number: NINT-68C
Condition：New with Original Package
Product Type: Inverter Control Boards
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The ABB NINT-68C (Part Numbers: 64008498D / 61336125F) serves as the primary fiber optic interface and control distribution hub for high-power ABB variable frequency drives. This brand-new, original board acts as the critical bridge between the main control unit (RMIO/RDCU) and the IGBT power semiconductor modules within ACS600 and ACS800 inverter systems. By utilizing fiber optic technology, the NINT-68C manages high-speed pulse transmission and real-time feedback collection while maintaining absolute electrical isolation from high-voltage components.
Technical Specifications
The NINT-68C utilizes industrial-grade components and a multi-channel architecture to ensure drive stability:
| Attribute | Specification Value |
| Manufacturer | ABB Group |
| Model Number | NINT-68C (64008498D / 61336125F) |
| Condition | 100% Brand New, Original Factory Stock |
| Compatible Systems | ABB ACS600, ACS800-104/107/607 VFDs |
| Communication Type | Fiber Optic Links (high-speed data exchange) |
| Function | IGBT Drive Signal Distribution & Feedback Collection |
| Protection | Conformal Coating (moisture and corrosion resistant) |
| Power Supply | Internal (via inverter module supply board) |
| Operating Temperature | 0°C to +70°C |
| Dimensions | 257 mm × 138 mm × 175 mm |
| Weight | 300 g – 1.43 kg (depending on configuration) |
Engineering Advantages
The ABB NINT-68C eliminates the risks associated with Electromagnetic Interference (EMI) in high-power switching environments. By employing fiber optic communication, the board isolates sensitive control logic from the massive electrical noise generated by IGBT switching. This optical link ensures that control pulses reach the power semiconductors with zero distortion, preventing timing errors that could lead to motor instability or semiconductor failure.
To survive the demanding conditions of process industries, the board features a comprehensive conformal coating. This protective layer shields the circuitry against moisture, conductive dust, and corrosive gases often found in chemical plants or offshore installations. The multi-channel architecture simultaneously handles drive signals and collects real-time feedback, including current, voltage, temperature, and fault alarms. This dual-functionality allows the drive to execute precision speed and torque regulation while providing the controller with immediate diagnostic data. Its compact design facilitates direct integration within ACS800 power modules, making it an ideal solution for retrofitting legacy systems to extend their operational lifespan without cabinet modifications.
FAQs
Why does the NINT-68C utilize fiber optics instead of standard copper wiring?
High-power VFDs generate significant EMI that can corrupt electrical signals in copper wires. Fiber optics provide complete galvanic isolation and immunity to electrical noise, ensuring high-speed, secure data exchange between the control unit and the power modules.
Is the NINT-68C compatible with both the ACS600 and ACS800 series?
Yes. The NINT-68C provides a standardized interface for ABB’s legacy and modern high-power platforms, specifically supporting the ACS600 and ACS800 series (including liquid-cooled and multi-drive versions).
What diagnostics can I monitor through this interface board?
The NINT-68C transmits critical real-time feedback to the main controller, including phase current, DC bus voltage, IGBT temperature, and specific fault alarms. This allows for predictive maintenance and rapid fault isolation within the inverter system.
How do I verify the condition of the fiber optic ports on the NINT-68C?
During installation, ensure the fiber optic cables are clean and properly seated. The drive controller will typically trigger a communication fault if signal attenuation occurs. Replacing older boards with a brand new NINT-68C ensures maximum signal strength and reliable IGBT firing.