IntroductionIntroductionSenior Design Team SD0609Senior Design Team SD0609

ECE Card Key Security SystemECE Card Key Security System

Nick MoszerNick Moszer

Raylin NevlandRaylin Nevland

Ryan LindsayRyan Lindsay

ProblemProblem

►Current Card Key System in ECECurrent Card Key System in ECE

System is 20+ years oldSystem is 20+ years old Cannot be expanded to more doorsCannot be expanded to more doors Increasing security concerns in the Increasing security concerns in the

departmentdepartment Campus replacement solution Campus replacement solution

prohibitively expensiveprohibitively expensive

SolutionSolution

►Senior Design ProjectSenior Design Project Harness ECE student Harness ECE student

brain powerbrain power System can be System can be

modular and easily modular and easily adaptable adaptable

Tailored to ECE Tailored to ECE faculty operationfaculty operation

Cost effective solutionCost effective solution

RequirementsRequirements

► Build a Modular SystemBuild a Modular System Change any part and system still worksChange any part and system still works Use off the shelf hardwareUse off the shelf hardware Reader systems interchangeable with changing Reader systems interchangeable with changing

needs in the building needs in the building ► (swipe, proximity, biometric)(swipe, proximity, biometric)

Ability to read Tri-College cards Ability to read Tri-College cards Check out ECE equipment and computer account Check out ECE equipment and computer account

creation creation ► Cost EffectiveCost Effective

Components are inexpensiveComponents are inexpensive Maintenance is minimalMaintenance is minimal

Initial ResearchInitial Research

►Start from center and work outStart from center and work out

We need a central controlling unit to process We need a central controlling unit to process input from door readersinput from door readers

How will we communicate with it and over How will we communicate with it and over what medium?what medium?

How will we process the input once it is How will we process the input once it is received? received?

Central ControllerCentral Controller

► Communication OptionsCommunication Options Serial – dominant but outgoingSerial – dominant but outgoing Ethernet (TCP/IP) – incoming standardEthernet (TCP/IP) – incoming standard Wireless (TCP/IP) – very rare but possibleWireless (TCP/IP) – very rare but possible

► Choice: Ethernet with TCP/IPChoice: Ethernet with TCP/IP Allows Power-Over-Ethernet (POE) Allows Power-Over-Ethernet (POE) Inexpensive and meets fire codeInexpensive and meets fire code No runs more then 100m in building No runs more then 100m in building Allows for secure closed system Allows for secure closed system Follows modular design requirementFollows modular design requirement

Central ControllerCentral Controller

► Processing Input Processing Input PC with LinuxPC with Linux

► Possibly less reliablePossibly less reliable► Plethora of Software OptionsPlethora of Software Options► Much simplerMuch simpler► Dr. Farden will be happyDr. Farden will be happy

Embedded SolutionEmbedded Solution► More ReliableMore Reliable► Increased ComplexityIncreased Complexity► Very Limited Software Options Very Limited Software Options

► Choice: PC w/ LinuxChoice: PC w/ Linux

Central ControllerCentral Controller

Card Reader OverviewCard Reader Overview

►Magnetic Swipe (Omron)Magnetic Swipe (Omron)►Proximity (HID)Proximity (HID)►RCM2200 Microprocessor (Rabbit RCM2200 Microprocessor (Rabbit

Semiconductor)Semiconductor)►48 – 24 V Converter (TI)48 – 24 V Converter (TI)►48 – 5 V Converter (TI)48 – 5 V Converter (TI)►5 V Relay (Generic)5 V Relay (Generic)►PCB Board (in-house)PCB Board (in-house)►Door Lock (TBA)Door Lock (TBA)

Omron Magnetic Card ReaderOmron Magnetic Card Reader

►Low CostLow Cost► Industry StandardIndustry Standard►Low Power CMOSLow Power CMOS

5 V Operation5 V Operation

►TTL LogicTTL Logic Data StreamData Stream Card LoadCard Load Clock (per track)Clock (per track)

HID Proximity Card ReaderHID Proximity Card Reader

► Industry Standard Industry Standard ►Low Power CMOSLow Power CMOS

5 V operation5 V operation►TTL LogicTTL Logic

Data StreamData Stream Card LoadCard Load Clock Clock

►Access IndicationAccess Indication LED and BeeperLED and Beeper

Rabbit Semiconductor Rabbit Semiconductor RCM2200RCM2200

►Low CostLow Cost►26 I/O ports26 I/O ports►10BaseT Ethernet10BaseT Ethernet►22.1Mhz 22.1Mhz

processorprocessor►Dynamic CDynamic C

Highly adaptiveHighly adaptive Large LibrariesLarge Libraries

►5 V, 134mA draw5 V, 134mA draw

Reader Unit Power Reader Unit Power ConversionConversion

►48 - 5 V Converter48 - 5 V Converter Rabbit RCM2200Rabbit RCM2200 Magnetic Card ReaderMagnetic Card Reader Proximity Card ReaderProximity Card Reader Relay (Door Lock)Relay (Door Lock)

►48 – 24 V Converter48 – 24 V Converter Door Lock MechanismDoor Lock Mechanism 170mA draw170mA draw

Card Reader OverviewCard Reader Overview

Power RequirementsPower RequirementsRabbit:Rabbit: 5V DC with 5% 5V DC with 5%

tolerance, 134mAtolerance, 134mA

Swipe Reader:Swipe Reader: 5V DC with 5% 5V DC with 5% tolerance, 20mAtolerance, 20mA

HID ProxPro:HID ProxPro: 5-16V DC, 75mA 5-16V DC, 75mA @ 5V@ 5V

Door Lock:Door Lock: 24V DC, 170mA24V DC, 170mA

Total Power needed:Total Power needed: 229mA @ 5V229mA @ 5V170mA @ 24V170mA @ 24V

Approximately= 5.25 W total draw per Approximately= 5.25 W total draw per readerreader

Power RequirementsPower Requirements

►Power source:Power source: Decided on Antec 550 W PC power supplyDecided on Antec 550 W PC power supply Delivers 18A on 12V output = 216 WDelivers 18A on 12V output = 216 W Powering 12 readers on one supply- Powering 12 readers on one supply- 216 W / 12 = 18 W each.216 W / 12 = 18 W each.

►Power Over Ethernet (POE)Power Over Ethernet (POE) 1 Ohm Resistance/100 feet1 Ohm Resistance/100 feet 350 mA max per line @ 48V = 16 watts350 mA max per line @ 48V = 16 watts Usage only 33% of maximumUsage only 33% of maximum

►Order of Power distributionOrder of Power distribution

Outlet~120 V ACOutlet~120 V AC PS back-upPS back-up 12V 12V output from PC Supplyoutput from PC Supply 12V - 48V 12V - 48V voltage converter for POEvoltage converter for POE 48V - 24V 48V - 24V voltage converter Door voltage converter Door

LockLock 48V – 5V 48V – 5V voltage converter Rabbit, voltage converter Rabbit,

Proximity and Swipe readerProximity and Swipe reader

PS BackupPS Backup

PC Power Supply12V out

PC Power Supply12V out

Voltage Converter12V to 48V

Voltage Converter12V to 48V

Converter48V to 24V Converter

48V to 24V Converter48V to 5VConverter48V to 5V

RelayRelay RabbitRabbit

Swipe ReaderSwipe Reader

Proximity ReaderProximity Reader

120 V AC120 V AC

24V Door Lock24V Door Lock

Power Flow Chart

ExpendituresExpenditures

►Development Costs = $270Development Costs = $270

►Central Controller (per 12 doors) = Central Controller (per 12 doors) = $1100$1100

►Cost per door = $550 to $850 Cost per door = $550 to $850

Development CostsDevelopment Costs

►Rabbit Development Board = $200Rabbit Development Board = $200

►3 track swipe reader = $703 track swipe reader = $70

►Everything else will be used in final Everything else will be used in final product.product.

Central ControllerCentral Controller

►PC Components = $350PC Components = $350►Ethernet Switch = $79Ethernet Switch = $79►Ethernet Punch-down block = $55Ethernet Punch-down block = $55►12V to 48V DC to DC = $94 per 3 12V to 48V DC to DC = $94 per 3

doorsdoors►Enclosure = $90Enclosure = $90►Heat control and monitoring = $50Heat control and monitoring = $50►Misc = $40Misc = $40

Cost Per DoorCost Per Door

►Electric Lock = $300Electric Lock = $300► Input Readers = $20 to $300Input Readers = $20 to $300►Rabbit RCM2200 =$60Rabbit RCM2200 =$60►DC to DC Converters = $40DC to DC Converters = $40►Plenum Ethernet = < $10Plenum Ethernet = < $10►PCB = In-House?PCB = In-House?►Enclosure = $50Enclosure = $50►Misc = $20Misc = $20

SummarySummary

►Solution tailored to ECE faculty Solution tailored to ECE faculty Cost effectiveCost effective Easy to use interfaceEasy to use interface Modular system that is adaptable to next Modular system that is adaptable to next

generation identification systemsgeneration identification systems Components readily availableComponents readily available Increased security in every roomIncreased security in every room Designed to meet the needs and meet the Designed to meet the needs and meet the

long term goals of our departmentlong term goals of our department

Future Progress Planning

Questions?Questions?