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Key Technical Specifications
- Model: 01-W3628F-01A
- Manufacturer: Motorola
- Product Type: VME conversion/interface module
- Platform: VMEbus
- Primary Use: Signal conversion and interface adaptation
- Form Factor: Plug-in VME board
- Compatibility: Verify connector pinout, electrical levels, and rack revision before install
- Configuration: Check jumper and switch settings against the removed unit
- Condition: New Surplus
- Availability: Limited stock, subject to prior sale
- Replacement Status: Obsolete/legacy part
Product Introduction
Motorola 01-W3628F-01A is a legacy VMEbus interface and conversion module used in industrial control racks. It is typically sourced as an exact-match replacement when a system needs the original board family to preserve signal handling and rack compatibility.
The key buying checks are connector pinout, electrical interface levels, and rack revision. Verify the original unit’s jumper settings and wiring before ordering, because similar Motorola VME boards are not always drop-in compatible.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No response after installation | Backplane power issue or bad seating | ✅ High | Measure rack rails and reseat the module | Check power and slot health first |
| Signals not converting correctly | Wrong jumper setting or pinout mismatch | ✅ High | Compare the board’s configuration to the removed unit | Mirror the original settings exactly |
| Partial I/O works, partial I/O fails | Channel mapping mismatch or wiring fault | ✅ High | Verify each input/output line with a meter | Inspect wiring before replacing the board |
| Intermittent operation | Loose connector, oxidized contacts, or backplane issue | ✅ High | Reseat the board and inspect the edge connector | Clean contacts and retest |
| Overvoltage or wrong logic level | Wrong electrical standard selected | ✅ High | Measure the field signal level at the connector | Confirm voltage levels before commissioning |
| Board runs hot | Poor airflow or rack overload | ⚠️ Medium | Check cabinet temperature and airflow path | Verify cooling before declaring failure |
| Works in one slot but not another | Backplane slot or addressing problem | ✅ High | Move the board to a known-good slot and retest | Inspect the backplane and slot map |
If you’re stuck, send photos of the board, connector pins, jumper positions, and diagnostic logs.
- 01-W3628F-01A
Frequently Asked Questions
Q: Is this a direct replacement for my original 01-W3628F-01A?
A: It can be, but only if the connector layout, pinout, and electrical interface match your system. On legacy Motorola VME hardware, part number similarity is not enough.
Q: Can I hot-swap this module?
A: No. Power the rack down first unless your system documentation explicitly allows live insertion. On a board like this, live removal is a good way to damage the backplane.
Q: What condition is this unit in?
A: New Surplus. That usually means unused inventory, but storage history and packaging condition should still be confirmed.
Q: Why is it cheaper than factory-new hardware?
A: Because it is usually sold as legacy surplus, not current production. The lower price reflects lifecycle status and availability, not a different hardware identity.
Q: Will my settings carry over automatically?
A: Not automatically. Photograph the jumper positions, wiring, and any labels on the old board before you pull it.
Q: What should I verify before I buy it?
A: Confirm the full part number, rack family, pinout, voltage levels, and any software or firmware dependencies. That avoids most replacement surprises.
Q: Does this part usually fail on its own?
A: Not often. Most field problems come from wiring, configuration, contact corrosion, or a bad slot rather than the module itself.
