PS20 Hardware Manual Rev A Release Date
Contents
1. the switch power as indicated by the green PWR LED is inter rupted the red STAND BY LED will come ON to indicate that switch power is off but the com puter is still active and in shutdown mode OPiS PS20 User Manual RevA Page 5 of 9 Environmental Specifications Storage Temperature 20 85 C 4 185 F Operational Temperature 0 60 C 32 140 F Storage Shock half sine wave 1000 G 1 ms Operational Shock half sine wave 300 G 2ms 160G 1ms Input Protection Clamp This unit has an input protection clamp to protect from voltage transients induced by lightning and other transient voltage events Features e Bi directional e 5000W Peak Pulse Power capability on 10 1000uS waveform e Repetition rate duty cycle 0 05 e Response time typically less than 1 0pS from 0 Volts to BV Power Input Clamp Maximum Ratings and Characteristics 25 C Ambient Temperature Rating Symbol Value Unit Peak Pulse Power Dissipation on 10 1000US waveform Pppwy Min 5000 Watts Peak Pulse Current of on 10 1000uUS waveform PPM 129 Amps Steady State Power Dissipation at T 75 C Lead Py AV 8 Watts Lengths 375 9 5mm Peak Forward Surge Current 8 3mS Single Half Sine lesm 400 Amps Wave Superimposed on Rated Load JEDEC Method PS20 User Manual RevA Page 6 of 9 Power Input Clamp Electrical Specification Tamp 25 C Reverse Breakdown Voltage Maximum Maximum Stand2. PLUS MOBILE C 2006 Aplus Mobile Inc TM PS20 Hardware Manual RevA Release Date August 19 2009 PS20 User Manual RevA Page 2 of 9 PS20 Theory of Operation If you turn the computer off through the Windows shutdown box on the main screen and the switch power is still on the PS20 will just reboot the system in a few seconds Conversely if the system senses the switch power is down after a short delay it will shut down Windows orderly as if you had shut it down yourself The PS20 system will go to sleep waiting for switch power to come back up for a few seconds and then it will boot again It will finish booting no matter what the power state and then check switch power again to see if it needs to stay up or it needs to shutdown Windows The vehicle s key initiates power connection to the computer This wakes the computer up and boots the operating system There is no on off switch or button on the computer To reboot the computer simply turn the key switch off wait for the computer to go through orderly shutdown Red light will be on After the red light is out turning the key switch on will automatically boot the computer Green LED Vehicle switch power ON Red LED Vehicle switch power OFF and computer in shutdown mode NO LED Computer disconnected from battery This computer uses a 3 wire power input The main 12VDC wire is connected directly to the positive terminal of the vehicle s battery to allow for th
3. The CPU cannot be replaced without total disassembly of the case Please consult the factory for any upgrades PS20 User Manual RevA Page 8 of 9 Custom Connector Pin Out Output Power 1 5A Max Current Input Power Black Red Switch Red Switch Red Main Battery Red Main Battery GND Black O Z w Q GPIO Oo GND GND GPO GP4 GP1 GP5 GP2 GP6 ONONARWNM PS20 System Watchdog Timer See watchdog timer documentation on the supplied driver cd PS20 GPIO See GPIO documentation on supplied driver cd PS20 User Manual RevA Page 9 of 9 Aplus Mobile Contact Information Address Aplus Mobile Inc 19629 S McCord Rd Oregon City OR 97045 Contacts Customer Support 503 265 9325 info AplusMobile com Find Aplus Mobile on the web at www AplusMobile com CAGE Code 4P1Q1 Pronet Supplier Code P0843918
4. e computer to perform orderly shutdown after the key has been turned off This con nection is enabled and disabled internally and will not drain the vehicle s battery once the mother board has shutdown The switch 12VDC wire input connection goes to switched power usually the ignition switch and when closed causes the computer to wake up and boot When this switch is open the computer will switch over to the main battery connection and will shutdown The third wire is system ground This should be connected to the main battery or an extremely high quality ground point Do not use chassis grounds on older vehicles Power Connection Diagram PS20 User Manual RevA Page 3 of 9 A A 0 A 12VDC Vehicle Battery Main 12VDC Power Vehicle Key G Switch 12VDC Power Ground PS20 IH PS20 User Manual RevA Page 4 of 9 Glossary of Abbreviations CAN Controller Area Network BIOS Basic Input Output System BV Breakdown Voltage CF Compact Flash CPU Central Processing Unit GPIO General Purpose Input Output HD Hard Drive I O Input Output LED Light Emitting Diode OS Operating System PWR Power SATA Serial ATA USB Universal Serial Bus VDC Volts Direct Current Start Up Sequence Connect peripheral cables required for your application Connect unit to DC power source Apply DC power to turn unit ON Green PWR LED should come ON During normal operation if
5. ep and you must cycle switch power in order to boot OS again e If the power control senses switch power is down for 8 14 seconds continuously then it will initiate OS shutdown on main power If switch power comes back anytime during shutdown sequence and before it goes to sleep it will attempt to reboot OS without requiring you to recycle the power Power recycling is only required if system is fully asleep otherwise the system will be fully automatic and should not require power cycling during normal operation This is a rare situation e Once system has shutdown and gone to sleep all front panel LEDs OFF you must cycle switch power to reboot system e The system will always try to boot OS if switch power is present at any time except when system has gone fully to sleep i e all front panel LEDs are OFF 1 Turn ON switch power 2 System will boot itself and remain ON until switch power is turned OFF Turning OFF switch power for a short period of time will initiate OS shutdown on main power and sleep mode The power control will disconnect from all outside power ie red LED is off after it senses the OS has completely shut down This is automatic there are no drivers for this func tion Repairs All repairs should be done at the Aplus Mobile Inc factory or in extreme cases serviced by a qualified super technician capable of aircraft system level work There are no user serviceable or replaceable parts inside the system
6. off Ver Volts y Pei h Clamping Led r pare Voltage Vr mA Voltage VC Current Ipp A eakage Ip Volts MIN MAX Ipp Volts Vr HA 24 0 26 70 29 50 5 38 9 129 0 10 The transient voltage suppression specifications above are subject to change depending on the required input clamp voltage for the application System can operate on voltages of up to 48VDC under special circumstances Consult the factory The input is 60V transient capable past the input clamp Different clamp voltages are available for specific applications W a SIM Card Cover WA i a Cell Modem SIM Card The modem is contained on the inside of the PSPS20 lid On the end of the modem there is a grey rubber plug Remove plug and insert the SIM card into the SIM card socket Replace the plug to retain the SIM card Input Voltage Considerations Nominal Operational Voltages 9 5 16 5VDC Even though the PS20 is fused internally you must provide an additional 5 10A fused input PS20 User Manual RevA Page 7 of 9 Operation e Applying power will turn ON the computer and boot your OS automatically Power control system is always checking for the presence of switch power and if the com puter is running e f switch power is present the power control will check to see if the OS is booted If not it will attempt to boot OS If it is unsuccessful after 25 attempts the power control will put the sys tem to sle
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