Ross Hill 0509-2600: Sprocket Slip PCB, single-phase
The sprocket slip detection card in a Ross Hill / NOV system: drawworks drivetrain protection.
Independent supplier. RHCC 0509-2600 is identified from the installed number. Manufacturer and trademark names are used for reference only, and condition is disclosed before sale.
| Part number | 0509-2600 |
|---|---|
| System | Ross Hill / Hill Hayes / NOV SCR drilling |
| Function | Drawworks protection |
| Condition | New-surplus, used-tested, reconditioned |
| Also searched as | 0509-2600 · 05092600 · 2600 · Ross Hill · NOV · Hill Hayes |
What it does
Sprocket slip detection watches for a drivetrain discrepancy at the drawworks and acts before mechanical damage compounds. It is a protection function, which means a failed card is invisible during normal operation and only matters at the moment you need it. That makes it worth verifying rather than assuming healthy.
Symptoms that point here
| What you are seeing | What it usually indicates |
|---|---|
| Nuisance slip trips during normal hoisting | Detection threshold or card drifted |
| No protection response during a genuine event | Detection path failed: protection absent |
| Intermittent alarm that tracks vibration | Sensor wiring or connector before card |
| Alarm will not reset | Latch circuit on the card |
| Protection trips on hoisting equipment you cannot trace | The sprocket slip protection function lives on this single-phase board: verify it before condemning drive modules |
Confirm the installed unit
For 0509-2600, send the complete dash number and a clear nameplate or board-label photo. The quoted unit is matched to the supplied identifier before condition and lead time are confirmed.
Condition and sourcing
RHCC 0509-2600 is quoted only after current availability, condition, and lead time are confirmed. Any offered unit is identified as new-surplus, used-tested, or reconditioned before sale.
If the observed failure does not line up with RHCC 0509-2600, use the SCR Drive Fault Finder to narrow the subsystem before requesting a part.
FAQ
What does the sprocket slip card do?
Is it safety related?
Do you supply this board?
Availability & Quote
For RHCC 0509-2600, condition is disclosed before sale. Item photographs are supplied with an actual offer.
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