61336125F ABB NINT-68C | Fiber-Optic VFD Interface

61336125F ABB NINT-68C | Fiber-Optic VFD InterfaceProduct Overview The ABB NINT 68C (Part Numbers: 64008498D 61336125F) serves as the primary signal conversion and distribution hub for high power ACS600 and ACS800 Variable Frequency Drives (VFD). It functions as the critical communication link between the drives control unit and the power stages. This board translates complex control logic into precise Pulse Width Modulation (PWM) commands while maintaining strict galvanic isolation to protect low

Connection Interface: 20-way removable terminal block (or pre-wired cordsets)

Always confirm your existing bill of materials to ensure the correct hardware match

you must ensure your I/O rack and controller firmware support Series C modules before attempting a migration

but the system manages them so that a secondary module takes over the full load instantly upon a detected fault in the primary unit

Standardized API 670 Integration: The system strictly adheres to the API 670 machinery protection standard

Parameter Details Number of Terminals 36 (18 points per side) Terminal Type Cage-style Screw Clarip Voltage Rating 250V AC/DC (Maximum) Current Capacity (V/COM) 10A Maximum Current Capacity (I/O) 2A Maximum FLEXBUS Throughput 5V DC

and Zero/Index tracks)

Backplane: Passive backplane architecture for power and signal routing

Parameter Specification Safety Integrity Level SIL 3 Certified Number of Channels 16 (Individually Isolated) Input Type No-voltage contact (Dry contact) Logic Thresholds ON ≤ 1 kΩ

normally open (N

ensuring full compliance with international safety standards and ATEX/IECEx hazardous area certifications

Input Voltage: 24 V DC