Product Details
The ABB NKTU01-8, also cataloged as the NKTU01 Termination Unit Cable, operates as a dedicated hardware component for multi-channel signal routing between I/O modules and termination units within ABB Symphony Harmony and Bailey INFI 90 systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NKTU01-8 |
| Brand | ABB |
| Origin | Canada |
| Weight | 1.25 lb (Package Gross Weight) |
| Dimensions | Standard subrack cable assembly profile |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Passive cable assembly (no power draw) |
| Cable Type | Termination Unit Cable (BAICAB) |
| Tariff Code | 8544429090 |
| Connector Type | Prefabricated end connectors |
Deterministic Network Backplane and System Signal Integrity
The NKTU01-8 cable assembly establishes point-to-point pin connections between subrack I/O module headers and external termination units. Engineered to preserve channel isolation and signal fidelity, the assembly maintains backplane bus communication velocity across high-density I/O channels without introducing signal distortion or impedance mismatch.
As a completely passive hardware interconnect, the cable eliminates firmware flash compatibility requirements across all supported ABB Symphony Harmony module revisions. Shielded conductor construction resists electromagnetic interference from nearby power distribution lines within industrial enclosures.
Frequently Asked Questions
Q: Does the NKTU01-8 cable assembly require backplane power from the system rack?
A: No, the NKTU01-8 is a passive cable assembly that routes analog and discrete signals directly between headers without drawing power.
Q: Are software configuration changes necessary when replacing an existing cable with the NKTU01-8?
A: No software or firmware modification is required; the cable functions transparently at the physical hardware layer.
Q: What precautions should be taken before disconnecting the cable from a termination unit?
A: Field power supplies and signal loops attached to the termination unit should be de-energized or isolated prior to disconnection to prevent signal spikes or false system trips.
Field Installation Guidelines
- Isolate all external field power sources and signal loops connected to the termination unit prior to cable installation or removal.
- Wear a grounded anti-static wrist strap during handling to protect adjacent module logic from electrostatic discharge.
- Route the cable assembly through cabinet wiring ducts, ensuring minimum bend radius limits are maintained to prevent conductor fatigue.
- Align cable connectors strictly with guide pins on the module and termination unit headers, pushing straight in until locking latches engage.
- Secure strain relief retention clamps within the enclosure to prevent mechanical displacement caused by cabinet vibration.
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.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- 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.
Tech & Buying Guide
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