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Phone: +86 16626708626Description
Key Technical Specifications
- Part Number: MVME-761-001
- Manufacturer: Emerson
- Related Model: MVME2700-761
- Subcategory: PLC Module
- Platform: VMEbus
- Module Width: Single width
- Front Panel I/O:
- 4 RJ-45 connectors (serial ports)
- 1 AUI connector (Ethernet)
- 1 68-pin SCSI interface connector
- Weight: 0.37 lbs
- Application: Industrial embedded computing and control
- Availability: Discontinued by manufacturer, limited stock
- Warranty: Electrical.com 2-year warranty (supplier-dependent)
Product Introduction
Emerson MVME-761-001 (also referenced as MVME2700-761) is a single-width industrial packaging module for VMEbus systems. It provides serial, Ethernet, and SCSI I/O from the front panel and is used in legacy Motorola MVME / Emerson embedded control platforms.
This module is sourced for exact-replacement in older industrial systems where the VME architecture must remain unchanged. Buyers verify serial port count, Ethernet connector type (AUI), and SCSI interface before ordering.
- MVME-761-001
- MVME-761-001
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Serial ports not responding | Cable fault, wrong baud rate, or port failure | ✅ High | Check cable, verify terminal baud rate, test each port | Rule out cabling and settings first |
| No Ethernet link | AUI cable issue, switch port fault, or port failure | ✅ Medium | Inspect AUI cable, test on known-good switch port | Verify cabling and port settings first |
| SCSI device not detected | Cable fault, termination issue, or controller problem | ✅ High | Check SCSI cable, verify termination, inspect connectors | Rule out cables and terminators first |
| Module not detected by system | Bad seating or slot mismatch | ✅ Medium | Reseat board, verify slot assignment | Check physical installation first |
| Intermittent I/O failures | Marginal board, thermal stress, or backplane issue | ✅ High | Run extended test and monitor temperature | Replace if failures repeat under load |
Contact technical support with photos of the board, I/O cables, connector type, and system logs if the fault is unclear.
Frequently Asked Questions
Q: Is this a direct replacement for all MVME2700 I/O modules?A: No. It only works as a direct replacement when the VME rack and I/O configuration match the original setup.
Q: Can I hot-swap this module?A: No. Power down the system first. Live insertion can damage the module and backplane.
Q: What I/O connectors are on the front panel?A: Four RJ-45 serial ports, one AUI Ethernet connector, and one 68-pin SCSI connector.
Q: Why is this discontinued?A: MVME-761-001 is an obsolete legacy product from the Motorola MVME line. Emerson (which acquired Motorola Computer Group) no longer manufactures it.
Q: How do I confirm compatibility before ordering?A: Match the part number (MVME-761-001 / MVME2700-761), verify your system uses single-width VME, and confirm the I/O port types match your application.
Q: Why is the price lower than new factory hardware?A: Factory-new production is unavailable. Pricing reflects limited surplus supply and test status.
Q: What should I inspect before installing it?A: Check connectors for bent pins, verify cables are correct for RJ-45, AUI, and SCSI, and confirm the module is clean and free of corrosion.
