IS215UCVGH1AC
IS215UCVGH1AC
IS215UCVGH1AC
IS215UCVGH1AC
IS215UCVGH1AC

GE IS215UCVGH1AD | Turbine Control CPU, 128MB RAM, QNX OS

  • Model:​ GE IS215UCVGH1AD
  • Brand:​ GE (General Electric)
  • Series:​ Mark VI / Mark VIe (Speedtronic)
  • Core Function:​ Acts as a single-slot VME controller with integrated local HMI ports (Video/USB) for turbine control and diagnostics.
  • Product Type:​ UCVG Control Processor (General Purpose w/ Graphics)
  • Key Specs:​ 650 MHz Intel Celeron | 128MB SDRAM | Front SVGA/USB
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Part number: IS215UCVGH1AD
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Description

Product Introduction

The ​ is a UCVG​ series VME controller board within the GE Mark VI/VIe ecosystem. Unlike the standard UCVE(which is headless/pure computation), the UCVG​ variant is designed as an integrated “General Purpose” controller featuring a Single-Slot VME​ form factor with rich front-panel I/O.

This “H1AD”​ revision houses a 650 MHz Intel Ultra-Low Voltage Celeron​ processor, 128 MB SDRAM, and 128 MB Flash. Its defining characteristic is the front-panel interface: it includes SVGA (Video), Keyboard/Mouse (USB/PS2), and USB ports, allowing technicians to connect a local monitor and peripherals directly to the controller rack for on-site diagnostics without needing a separate HMI computer. It handles turbine sequencing, data acquisition, and communicates via dual 10/100BaseTX Ethernet (IONet) and RS-232 serial ports. It is commonly used in applications requiring local operator interaction or where a standalone HMI PC is not feasible .

IS215UCVGH1AC

IS215UCVGH1AC

Key Technical Specifications

  • System Role:​ UCVG (Universal Control – General Purpose w/ Graphics)
  • Processor:​ Intel Ultra Low Voltage Celeron (650 MHz)
  • Memory:​ 128 MB SDRAM (Runtime), 128 MB Flash (Storage/OS)
  • Form Factor:​ 6U VME (Single Slot w/ Faceplate)
  • Front Panel I/O:
    • SVGA Port​ (Video Output for local Monitor/Touchscreen)
    • Keyboard / Mouse Ports​ (USB or PS/2 depending on specific sub-rev)
    • USB Ports​ (For peripherals/flash drives)
    • 2x Ethernet​ (10/100BaseTX, RJ-45, for IONet/Control Net)
    • Serial Ports​ (RS-232, COM1/COM2 for Diags/Modbus)
  • Backplane:​ VME64 (P1/P2 Connectors for Rack Communication)
  • Power Req:​ +5 V DC (Primary Logic), +12V (for USB/Video)
  • Indicators:​ System OK, Active, Network Link/Act LEDs
  • Temp Range:​ 0 °C to +70 °C (Operational, typical)
  • OS:​ QNX Real-Time Operating System (GE Custom Image)

 

Quality Control Process (Engineer’s Perspective)

  1. Incoming Verification:​ Match serial to manifest. Inspect 96-pin VME fingers (P1/P2)​ for gold creep or carbon arcs. Critically, check the VGA (DB15) and USB ports​ on the faceplate for bent pins—these are high-risk points during rack access.
  2. Boot & Video Test:​ Seat in a VME rack with 5V/12V. Connect a VGA monitor to the front. The GE boot logo must display​ during POST. If “OK” LED is Green but screen is blank, the GPU/init sequence may be faulty.
  3. Peripheral Stress:​ Plug a USB keyboard/mouse. Enter BootMon​ (Ctrl+X). Navigate menus to confirm keystroke registration and mouse movement—verifies the I/O controller hub is alive.
  4. Network Loop:​ Patch Ethernet Port 1 to a laptop running ToolboxST. Ping flood at 1500 bytes; 0% loss​ confirms the “H1AD” networking PHY is intact.
  5. Final QC & Packaging:​ Clean VME fingers with isopropanol. Bag in rigid ESD foam. Label “QC Passed – Video/USB/Net OK”.
IS215UCVGH1AC

IS215UCVGH1AC

Replacement Pitfall Guide

❗ UCVG vs UCVE (Wrong Slot Risk):

  • UCVE​ (IS215UCVEH2Aetc.) = Headless (No Video/USB). Pure processing/Voting.
  • UCVG​ () = Has Video/USB ports for Local HMI.

    Do not swap a UCVEfor a UCVGH1ADblindly.​ If the project (.tcf) is configured for a headless controller, forcing a UCVG might trigger “Wait for Display” timeouts in the BIOS/OS, delaying turbine startup. Conversely, if the site relies on Local SVGA, you mustuse UCVG.

❗ Local Monitor Dependency:​ If the site uses the front SVGA port​ (e.g., in a remote compressor station without central HMI), replacing this with a standard UCVEwill result in no local display. Always verify if the panel cutout has a VGA cable plugged in.

❗ 12V Rail Requirement:​ The Video and USB features on UCVGdraw from the +12V​ backplane rail. In older Mark VI racks where +12Vis disabled or the P2 connector isn’t fully seated, the board may boot (5V OK) but USB ports won’t power​ and the monitor stays dark.

❗ Application & Config Download:​ Like all Mark VI/e controllers, hardware swap requires downloading the Control App (.appl)​ and Config (.cfg). Because UCVG has more I/O definitions (USB/Video), a mismatch with an old file mightflag “Hardware Mismatch” in ToolboxST—be prepared to cross-load the hardware definition.

❗ VME Seating & Faceplate:​ 6U board with heavy faceplate ports. Ensure the faceplate screws are secured; cable torque can pull the P1/P2 connectors partially out over time, causing “VME Bus Error” or intermittent communication loss.

Keep these in mind and you’ll cut 90% of rework time.

 

Compatibility Matrix & Benchmarks

  • ​ → GE IS215UCVGH1AC: Direct Replacement/Upgrade— “AD” is a later sub-revision of the H1A UCVG family. Electrically/Mechanically compatible. “AD” may have component updates (e.g., USB 2.0 vs 1.1, capacitor grades). Usually a straight swap if jumpers/config match.
  • ​ → GE IS215UCVEH2AF: Functional Alternative (Caution)— UCVE is Headless. Can run the same logic apps, but loses Local SVGA/USB capability. Only substitute if local HMI is not required and config is updated.
  • ​ → Mark VI/VIe VME Rack: Direct— Slides into standard Controller Slots (requires Carrier if using integrated faceplate kits).
  • Boot Time:​ ~30-45s (Incl. Video BIOS Init)
  • Video Res:​ Typically 1024×768 / 800×600 (Industrial Panel Std)
  • Peripheral Power:​ +12V DC (From Backplane P2)

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