IS215UCVEH2AE: GE internal part number
VMIVME-7614-132: original commercial part number (VMIC, later GE)
Both labels refer to the identical 6U VME64 CPU board—commonly called the “UCVE main processor”.
1.Hardware Role
Master CPU of Mark VI or Mark VIe rack; executes all turbine control, protection logic, data logging and communication.
Occupies slot-1 of the VME back-plane and automatically becomes system controller.
2.Key Specifications
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Item
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Specification
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Processor
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Intel Celeron 300 MHz, Socket-370
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Chip-set
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Intel 440BX
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Memory
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32 MB on-board SDRAM (not expandable)
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Mass storage
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128 MB CompactFlash, IDE interface, hot-swappable
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L2 cache
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128 kB
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Real-time clock
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On-board lithium cell, 10-year hold-up
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Ethernet
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2 × 10/100 Base-T RJ-45, front access
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Serial ports
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2 × RS-232/485 (16550-compatible), front access
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Parallel port
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1 × ECP/EPP on header
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VME interface
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VME64 32-bit, 40 MB/s, A16/A24/A32, D16/D32, RMW supported
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Timers
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3 × 16-bit programmable
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Watch-dog
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Software-enabled; can assert VME SYSFAIL or local reset
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Power
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+5 V only, 3.2 A typical, supplied by VME back-plane
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Operating temp
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30…+65 °C (tested to 40 °C start-up)
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Dimensions
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160 × 233 mm (6U single-slot)
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MTBF
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> 250 kh @ 55 °C (MIL-HDBK-217F, ground fixed)
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3.Software Environment
Ships with QNX 4.25 RTOS (GE-custom image); includes “bootmon” for remote Ethernet re-flash.
Fully supported by Control ST V 5.x/6.x for on-line download, break-point debugging and variable watch.
User algorithms: compile C code → *.so → place in /opt/ge/apps; main task auto-loads at start-up.
4.Typical Port Usage
ü LAN1: plant DCS link (EGD protocol, 2 kHz update)
ü LAN2: engineering laptop or remote diagnostics (RDMIVision)
ü COM1: GPS / IRIG-B time synchronisation
ü COM2: Modbus-RTU to local instruments (temperature, pressure)
5.Cross-Reference IS215UCVEH2AE ↔ VMIVME-7614-132
VMIVME-7614-132 = commercial ordering code, common in third-party VME chassis.
IS215UCVEH2AE = GE spare-part number used in Mark VI documentation.
Same PCB # 350-017614-132 D; plug-and-play replacement, no jumpers or firmware change needed.
6.Need more UCVE processors or other VME boards?
PLC Autocontroller
Contact: Ms. May
+86-18106909650 (WhatsApp)
ab@mooreplc.com
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