Circuit Board | 086444-005 | ABB

Technical Specifications

The ABB 086444-005 is a Circuit Board. ABB identifies the unit under the type designation HKQCS PARTS ON LINE, with the catalog description “PWA, MPRC, W/DIRECT FIBER.” The 086444-005 provides the MPRC hardware configuration with direct fiber optic functionality required by the applicable ABB equipment. As a replacement component, it is used for maintenance and servicing where this specific MPRC assembly is installed.

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Troubleshooting & Comissioning Checklist

Backplane Power Off: Never insert or extract the board while the subrack or backplane power is active.
Verify Part Rev: Document the revision suffix (e.g., Rev C/C) to match database configurations.
Alignment and Insertion: Use steady, parallel pressure when sliding the module into its chassis slot; do not force it.

Field Engineering Considerations

Bend Radius Protection: Maintain the fiber-optic cable manufacturer's specified minimum bend radius during routing to prevent signal attenuation or micro-fractures in the glass core.
Ferrule End-Face Cleanliness: Clean all optical connectors with isopropyl alcohol and lint-free wipes before insertion; contamination on the direct fiber interface is the primary cause of optical signal loss or intermittent data drops.
Dust Cap Management: Keep protective dust caps on the module’s optical ports until the exact moment the fiber jumper is connected to shield internal optics from airborne industrial particles.

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Technical FAQ

Q: Which control systems is this card compatible with?
A: It is designed for integration into legacy ABB/Accuray QSC (Quick System Controller) systems as well as older Bailey InfiNet 90 and AC800M DCS architectures.

A: The module was manufactured by ABB in Sweden. It weighs approximately 380 grams to 950 grams . A common production standard for this board is revision Rev: C/C (ECN 42602).

A: Yes. Like all legacy DCS component PWAs, you must wear an anti-static wrist strap during maintenance or handling to avoid discharging static electricity directly onto vulnerable surface-mount chips.

Q: Do you supply brand-new, original parts or second-hand refurbished items?

A: Our stock consists of Original New items; all products undergo quality inspection to ensure they are fully functional.

Q: What guarantees are included with the shipment?
A: All items in stock are tested by engineers, packed in professional ESD packaging, and shipped via express logistics with a global delivery time of 24–48 hours.

Q: How long does global shipping take?
A: Stock items are typically dispatched within 24 hours. Shipments are sent via DHL or FedEx Express, taking approximately 3–5 days to reach Asia, 4–6 days to Europe and the Middle East, and usually arriving within a week in major industrial regions worldwide.

Q: If the model I need is not listed on the website, can I request a quote?
A: Yes. We hold over 200,000 SKUs of industrial spare parts in stock, and many long-tail models are not listed in full. You can send us an RFQ (Request for Quote) directly, and we will provide wholesale pricing promptly.

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