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Phone: +86 16626708626Description
Key Technical Specifications
- Manufacturer: Emerson
- Part Number: 5X00481G01
- Product Name: Ovation OCR1100 Controller Atom CPU Module
- Series: Ovation
- Product Type: CPU / processor module
- Primary Use: DCS control and process automation
- Processor: Intel Atom CPU
- Operating Voltage: 24 VDC
- Operating Temperature: -40 to 70°C
- Storage Temperature: -40 to 85°C
- Humidity: 5% to 95% non-condensing
- Warranty: Typically 12 months on stocked surplus units
Product Introduction
Emerson 5X00481G01 is an Ovation OCR1100 controller Atom CPU module used in Emerson Ovation DCS applications. It serves as the processor for process control, system coordination, and communications inside the controller rack.
Buyers usually choose this part when they need an exact Ovation replacement with the right form factor, voltage, and controller compatibility. For procurement, the key risk is matching the correct OCR1100 variant and confirming site firmware and rack compatibility before installation.
- 5X00481G01
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No controller boot, no status LEDs | Loss of 24 VDC input or backplane power | ✅ High | Measure 24 VDC at the supply input and backplane points with a multimeter | Check PSU, fuses, and rack power before replacing the module |
| Boot starts, then controller faults | Firmware mismatch or corrupted configuration | ✅ High | Compare the installed firmware and controller image against the site baseline | Verify firmware revision and reload the approved image if needed |
| Communication loss to host or network | Cabling issue, network setup error, or module fault | ✅ High | Check link LEDs, verify cable continuity, and confirm IP/config values | Confirm network settings and replace only after line-side checks |
| Intermittent resets under load | Power instability or overheating | ✅ Medium | Log input voltage during startup and run, inspect airflow and temperature | Check PSU margin and rack cooling before condemning the CPU module |
| I/O or process values stale | Upstream network fault or bad peer device | ✅ Medium | Test adjacent nodes and compare controller diagnostics with a known-good rack | Isolate the fault domain before ordering a replacement |
| Controller appears dead after swap | ESD damage, wrong revision, or bad seating | ✅ High | Reseat the card, inspect edge connectors, and verify part number exactly | Confirm part compatibility and inspect for physical damage |
If you get stuck, send technical support photos of the front label, connector side, rack layout, and diagnostic logs.
Frequently Asked Questions
Q: Is 5X00481G01 a CPU module?
A: Yes. Emerson identifies it as an Ovation OCR1100 Controller Atom CPU Module, so it belongs in the controller/processor class rather than an I/O slot part.
Q: Can I use this as a direct replacement?
A: Usually yes, but only if the existing OCR1100 platform, firmware, and rack configuration match. In the field, the part number alone is not enough; confirm the exact controller revision before you install it.
Q: What voltage does it use?
A: The listed operating voltage is 24 VDC. Check the rack supply and leave margin in the power budget before swapping the module.
Q: Is this module hot-swappable?
A: Do not assume it is. For controller hardware like this, power down the cabinet unless your site documentation explicitly allows live replacement. Swapping it live can create a backplane or firmware issue.
Q: Why is this cheaper than buying from the factory?
A: Because surplus and aftermarket stock often come from excess inventory, liquidation, or recovered stock channels. That lowers cost, but you should still ask for test status, cosmetic condition, and warranty terms before release.
Q: What condition should I expect?
A: The safest listing language is New Original or New Surplus if it is unused, and Refurbished only if it has been tested and reconditioned. Ask for the serial number, test report, and photos if you are buying for a critical unit.
Q: What should I check before installation?
A: Match the exact part number, confirm firmware compatibility, record the old module’s settings, and verify rack power. I have seen simple replacement jobs drag on for days because someone skipped the revision check.
