Product Details
Configured for pulse communication and signaling execution in ACS600 power conversion assemblies, the ABB NINT-52C 61353283 (NINT-52C Main Circuit Interface Board) provides direct physical/electrical execution. The module manages dual RS-485 serial channels and 500 VAC galvanically isolated 24 VDC internal power rails to route gating commands and feedback telemetry between control electronics and primary power switching circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NINT-52C 61353283 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 200 g (0.20 kg) |
| Dimensions | 110 mm x 70 mm x 40 mm |
| Operating Temp | -25 to +60 deg C |
| Power Consumption | < 2.5 W |
| Input Voltage | 24 VDC +/- 10% |
| Output Voltage | 24 VDC |
| Communication Ports | 2 x RS-485 |
| Data Rate | Up to 115.2 kbps |
| Isolation Voltage | 500 VAC |
| Protection Class | IP20 |
| Storage Temperature | -40 to +85 deg C |
| Relative Humidity | 5-95%, non-condensing |
| Mechanical Shock | 15 g, 11 ms |
| Vibration Resistance | 2 g, 10-150 Hz |
| MTBF | > 100,000 hours |
Firmware Flash Compatibility and Deterministic Communication
The NINT-52C circuit interface board operates with fixed firmware flash compatibility profiles aligned with ACS600 drive controller hardware. Dual RS-485 differential channels operate at data rates up to 115.2 kbps to exchange critical runtime parameters, status frames, and fault conditions across internal serial paths. By enforcing strict 500 VAC isolation between the 24 VDC control side and power section circuits, the board suppresses high dV/dt noise coupling, maintaining low packet latency and deterministic network timing across the main drive framework.
Frequently Asked Questions
Q: What is the isolation rating between the power circuit interface and the low-voltage control signals on the NINT-52C?
A: The module is engineered with a continuous 500 VAC galvanic isolation barrier to protect low-voltage control circuitry from power section noise and voltage spikes.
Q: What are the communication specifications for the dual onboard serial ports?
A: The board features two RS-485 differential communication ports supporting baud rates up to 115.2 kbps for deterministic real-time data exchange within the drive architecture.
Q: Can the NINT-52C module be configured via software DIP switches or jumper settings?
A: No, the NINT-52C is a non-configurable hardware interface card designed to operate with fixed hardware parameters and factory firmware mappings within ACS600 systems.
Field Installation Guidelines
- Electrostatic Discharge (ESD) Protection: Handle the NINT-52C board strictly by its PCB non-conductive edges while wearing an grounded wrist strap. Electronic components on the card are sensitive to static discharge.
- Mechanical Mounting and Fastening: Ensure the drive system is completely de-energized and main DC bus capacitors are discharged. Mount the 110 mm x 70 mm x 40 mm card into its card cage assembly, torquing all retaining screws to establish low-impedance chassis ground bonding.
- RS-485 Cable Routing and Shielding: Connect RS-485 communication lines using twisted-pair shielded cables. Route communication lines away from main three-phase AC input/output motor leads to prevent electromagnetic interference. Terminate cable shields to ground terminals using 360-degree grounding clamps.
- Power Inspection: Verify that the incoming auxiliary power supply stays within the required 24 VDC +/- 10% operational band before energizing the drive system.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























