Product Details
The ABB NKTU01-L11, also cataloged as the NKTU01-L11 Termination Unit Cable, operates as a dedicated hardware component for prefabricated signal routing between I/O modules and termination units within ABB Symphony Harmony INFI 90 systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NKTU01-L11 |
| Brand | ABB |
| Origin | Canada |
| Weight | 0.635 kg (1.4 lb) gross weight |
| Dimensions | Standard L11 length 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-L11 cable assembly provides direct point-to-point electrical interconnection between subrack I/O cards and field termination units, ensuring signal propagation over long cabinet runs. Low inner-conductor impedance supports backplane bus communication velocity and real-time sampling performance without phase shift or signal degradation.
Passive pin assignments eliminate active timing overhead, preserving full firmware flash compatibility across connected Symphony Harmony controller racks. The heavy-duty industrial jacketing protects physical signal channels against industrial electromagnetic interference and mechanical strain during continuous rack operations.
Frequently Asked Questions
Q: Does the NKTU01-L11 cable require external power to operate?
A: No, the NKTU01-L11 is a passive prefabricated cable designed solely for electrical signal routing between I/O modules and termination units.
Q: Can the cable assembly be disconnected while active I/O loops are powered?
A: Field circuits on the termination unit should be de-energized or isolated before disconnecting the cable to avoid voltage transients on active channels.
Q: Is special configuration required when installing the NKTU01-L11 in an existing subrack?
A: No configuration is required; the cable uses hardwired pin-to-pin alignment that operates plug-and-play with compatible module and termination headers.
Field Installation Guidelines
- Isolate all associated power feeds and process loops linked to the module and termination unit before installation.
- Wear an anti-static wrist strap during handling to prevent electrostatic discharge to adjacent module electronics.
- Route the cable assembly through cabinet wiring ducts, ensuring minimum bend radius limits are met to prevent conductor stress.
- Align cable connectors carefully with the pin headers on the module and termination unit, pressing straight in until locking latches engage.
- Secure strain relief retention clamps to prevent mechanical pull on the connectors caused by panel 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.
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