Description
Key Technical Specifications
- Model: IS415UCVHH1A
- Brand: GE
- Series: Mark VIe
- Product type: VME controller board
- Number of channels: 6
- Power supply: 200 to 250 Vac
- Operating system: QNX
- Processor: Intel Ultra Low Voltage Celeron, 650 MHz
- Memory: 128 MB SDRAM
- Temperature range: 0 to 70 °C
- Form factor: VME / 6U class controller
- Use case: Gas turbine control, steam turbine control, wind turbine control
Product Introduction
GE IS415UCVHH1A is a Mark VIe VME controller board used in turbine control systems. It handles application execution, configuration, and system supervision inside the GE control architecture.
This board is typically selected as a direct replacement in Mark VIe installations where exact part-number matching matters. Published listings also identify it as a 6-channel controller with QNX, 200 to 250 Vac power, and a 0 to 70 °C operating range.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Controller does not boot | Loss of 200 to 250 Vac supply or backplane issue | ✅ High | Measure incoming supply at the rack and check status LEDs | Verify power and backplane before replacing the board |
| Application will not load | Corrupt software image or configuration mismatch | ✅ High | Compare the loaded project and controller identity in the engineering tool | Reload the correct configuration if hardware passes power checks |
| Communication timeout | Ethernet or serial link fault, wrong IP, or network mismatch | ✅ High | Check link LEDs, ping the controller, and verify network settings | Inspect cabling and addressing before condemning the board |
| Unexpected trip or shutdown | Logic, I/O, or field device issue rather than CPU failure | ⚠️ Medium | Review event logs and turbine diagnostics | Check field wiring and inputs before swapping the controller |
| Intermittent resets | Marginal power, overheating, or loose seating in the VME rack | ✅ Medium | Measure supply stability and inspect board seating and cooling | Reseat the board and verify cabinet cooling |
| No response after swap | Wrong revision, wrong firmware, or bad installation | ✅ High | Confirm part number, firmware, and rack position against the removed unit | Match the original controller code exactly |
Contact technical support with photos of the board label, rack, LEDs, and diagnostic logs if the issue is still unclear.
- IS415UCVHH1A
Frequently Asked Questions
Q: What is the GE IS415UCVHH1A used for?
A: It is a Mark VIe VME controller board for turbine control applications. In field use, it serves as the controller that runs the control logic and system tasks.
Q: Is this a CPU board or an I/O board?
A: It is a controller board, which is closer to the CPU side of the system than to distributed I/O. That distinction matters when you are matching the replacement to the rack architecture.
Q: Is it compatible with Mark VIe systems only?
A: That is the published application family for this part. Do not assume compatibility with older Mark V or non-GE platforms without checking the exact system documentation.
Q: What should I verify before buying?
A: Confirm the full part number, rack type, power requirement, and firmware or revision level. On GE turbine controls, a suffix mismatch can create more downtime than the original failure.
Q: Is this unit new or surplus?
A: It is commonly sold as New Original or New Surplus, depending on the supplier. Surplus pricing is usually lower because it comes from excess inventory or unused stock, not because the board is a lower grade.
Q: Can I install it live?
A: No, not on a control board like this. Power down, isolate the rack, and copy the original board details before removal.
Q: Why do some listings show different specs?
A: Third-party listings often mix catalog data with seller-added inventory details, so you should verify the exact revision against the OEM documentation before installation.



WhatsApp: +86 16626708626
Email:
Phone: +86 16626708626