IS215UCVDH5AN GE Mark VI UC2000 VME Drive Board
IS215UCVDH5AN is a triple-board computer module for the GE Mark VI Speedtronic turbine control system. It mounts in the VME rack of the control module and talks to turbine I/O over the VME bus. The front faceplate carries a reset switch, two Genius terminals, two COM ports, a UDH Ethernet port, two ISBUS ports, and an LPT1 port. At its core sits a 300 MHz AMD K6 processor with 16 MB DRAM and 8 MB flash, running the QNX real-time operating system. Because QNX is deterministic, the board holds tight cycle timing under turbine load changes. Every unit we ship carries a 12-month warranty.
Board Identity and Physical Data
- Part number: IS215UCVDH5AN
- Manufacturer: General Electric
- Series: Mark VI Speedtronic
- Functional abbreviation: UCVD – UC2000 VME Drive
- Dimensions: 10.5 in H x 7.75 in D x 3.5 in W
- Weight: 3 lbs 10 oz
- Alert LEDs: 20 onboard indicators
- Revision: primary functional revision A
Processor and Memory Architecture
- CPU: 300 MHz AMD K6
- DRAM: 16 MB
- Flash: 8 MB
- Operating system: QNX real-time, Unix-like
- Bus link: VME backplane to turbine I/O boards
- Form factor: triple-board assembly in one VME slot
Faceplate Interfaces
- Reset switch for local recovery
- Two Genius terminals for device network links
- Two COM ports for serial service access
- Ethernet port for UDH communication
- Two ISBUS ports for inter-board data exchange
- LPT1 port for legacy parallel links
Where This Board Fits
- GE Mark VI gas turbine control cabinets
- Steam turbine drive and management assemblies
- Wind turbine control systems in Mark VI frames
- VME racks feeding UC2000 drive functions
- Plants upgrading from Mark V to Mark VI hardware
Shipping and Lead Time
- Dispatch within 24-28 hours after order confirmation
- Carriers: FedEx, UPS, DHL
- Tracking number sent at dispatch
- Anti-static and shock-proof packing for board assemblies
FAQ
Q: How do I tell a UCVD fault from an I/O fault?
A: Read the 20 alert LEDs and QNX boot log first. If the board boots clean and VME traffic is absent, look at the I/O packs next.
Q: Can I swap this board while the cabinet is powered?
A: No. Remove VME rack power and follow GE lockout steps. The reset switch handles soft recovery only.
Q: What should I check before ordering a replacement?
A: Send the full part number, revision letter, and a faceplate photo. We verify the exact variant before shipment.
Q: Does the board need firmware loading on arrival?
A: It ships with its stored flash image. Confirm the image matches your Mark VI build before commissioning.
Q: How do I know the memory size is correct for my rack?
A: Match the 16 MB DRAM and 8 MB flash against your existing board label. Mixed memory builds cause boot faults.
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