CB06551
Product Introduction
CB06551 is KOLLMORGEN original 6U single-slot VMEbus storage expansion module, matching Motorola MVME series VME single board computers (MVME162/MVME5100/MVME5500), dedicated for onboard floppy & hard disk storage expansion on VME rack control system, widely used in legacy industrial DCS, locomotive control, military test VME cabinet storage extension。
Description
Model Interpretation
CB：Kollmorgen VME accessory module prefix06551：fixed part number for VME floppy/hdd storage interface board, fixed hardware configuration
Technical Specifications
Mechanical & Form Factor
6U Eurocard single-height VME standard size, install into standard VME rack slot via P1/P2 backplane connector
Storage Configuration
Built-in interface for one 3.5" 1.44MB floppy disk drive + one IDE hard disk drive; optional onboard Flash storage chip replacing mechanical disk
Electrical Parameter
Power supply: +5V/+12V/-12V sourced from VME backplane P1 bus, typical power consumption 7.2WOperating temperature: 0℃~+55℃ standard industrial grade; extended version -40℃~+85℃ wide temperatureStorage range: -45℃~+85℃, non-condensing humidity 5%~95%RH
Interface & Communication Configuration
Front Panel Ports
FDD interface header, IDE hard disk socket, power terminal for external disk drive; power/access activity LED indicators
VME Bus Connection
P1/P2 VME edge connector, VME slave bus access, A16/A24/A32 VME address space compatible, communicates with host MVME CPU board via VME bus DMA channel
Core Functions
Expand mechanical disk storage for MVME host SBC, realize local system program storage, historical data offline save instead of onboard Flash only
Compatible with classic real-time OS (VxWorks/OS9/pSOS), supports OS boot from floppy/IDE disk for system backup & firmware upgrade
Hardware disk access fault detection, LED alarm for disk missing/read error; bus isolation circuit to avoid disk fault impacting entire VME backplane operation
Applicable Scenarios
Old thermal power auxiliary DCS cabinet, railway vehicle VME control rack, military ground measurement test bench, ship auxiliary monitoring VME control system matching MVME162/MVME5100 series master board
Operation & Maintenance Instructions
Cut off rack total power before plugging/unplugging CB06551 module or external disk drive, forbidden hot plug disk devicesCheck IDE/floppy cable terminal regularly to avoid loose contact causing storage identification failureReplace aging mechanical floppy drive with optional onboard Flash chip for long-term unattended running to reduce mechanical failure rateClean module edge connector dust periodically to prevent VME bus poor contact
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