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UPiS Manual

1. Battery Voltage Sensor Real Time System Current measure Accuracy 10mA The measurements contains e The RaspberryPi current consumption e Battery Charging current consumption e Microcontroller current consumption e Serial Bridge current consumption e UPiS LEDs current consumption e Various Components of the UPiS current consumption Note There are already available separated measurements of the RaspberryPi current consumption and the rest of the system It will be provided on the Firmware update 1 02 due to testing process Real Time System Current measure Accuracy 10 mV micro USB Powering Voltage Sensor Real Time System Current measure Accuracy 10 mV RaspberryPi P1 5V Powering Voltage Sensor Emulated RTC DS1307 with drift correction system Real Time System Current measure Accuracy 10 mV Emulated RTC based on the crystal of 32768 KHz Communicated with RaspberryPi via I2C and Emulate the DS1307 It will be provided on the Firmware update 1 01 due to testing process Timed Start Up Shutdown Programmed on RTC timer starts up and shutdown based on 1 minute intervals e Maximum programmed time is 1000 minutes e Minimum programmed time is 2 minutes XTEA Encryption System XTEA Cryptographic system with User Keys Programming providing Cryptographic protection of professional software written for the RaspberryPi It will be provided on the Firmware update 1 02 due to testing process
2. The proper settings of the jumpers are shown here below The RS232 of the RaspberryPi is set to the 115200 bps 8N1 so terminal program on the PC should be set to the same rate and other parameters Figure 15 RaspberryPi RS232 connected to the UPiS Module micro USB Disabling the Recovery use of the RaspberryPi RS232 is explained in details in the next sections and should be done if user plans to use this port for any other application than rescue procedure 2 Routes RaspberryPi RS232 to RS232 UPiS Level Converter Valid for the UPiS ADVANCED only Similar as in the 1 the RS232 of the RaspberryPi can be routed to the UPiS RS232 level converter instead to the UPiS micro USB interface Usage is similar to the described above This functionality is available only in the UPiS Advanced O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Figure 16 RaspberryPi RS232 connected to RS232 UPiS Level Converter 3 Route RaspberryPi RS232 to UPiS Serial Port Valid for the UPiS BASIC and UPiS ADVANCED The UPiS Advanced and UPiS Basic are equipped with their own serial port This port is used to control the UPiS from a terminal program There is a long list of commands available to control the UPiS If user like to control the UPIS from their RaspberryPi need to connect the UPiS serial port to the RaspberryPi serial port A detailed
3. Scripting Commands A list of 18 commands is already implemented and will be upgraded with more according to user s requests and future system developments Each command starts always with There are FACTORY Factory Defaults Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 VERSION Hardware and Firmware Version STATUS System Status ANTMPC Analog Temperature Celsius ANTMPF Analog Temperature Fahrenheit PM Powering Mode CHGR ON OFF Charger ON or OFF RPI RaspberryPi P1 5V Voltage level USB UPiS USB Voltage level BAT UPiS Battery Voltage level CUR System Current Consumption PWRINFO ON OFF Powering change source trigger LPRSTA Low Powering Restart Time TIME Time DATE Date START Timed RaspberryPi Startup STOP Timed RaspberryPi Shutdown RTCCF RTC Correction Factor Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 WARRANTY UPiS is warranted to be free from defects in materials and workmanship from the date of purchase for a 12 month period Warranty excludes normal wear and tear accidental or deliberate damage We will accept returns ONLY on the following conditions These conditions do not affect your statutory rights In the case of faulty items we will repair the
4. Shut Down Procedure in order to save power for the RTC The cut off power of the LiPOLiPo Battery is 3V STA GREEN LED e Flashes 10 times every 20 mS when power source has been changed after 3 6 seconds of cable connection or disconnection O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 e LIGHTs for 100 mS every 500 mS when cable power is connected e LIGHTs for 100 mS every 2000 mS when UPiS is running on battery backup power and battery level is higher than 3 6V typical running conditions on battery e DARKif system is in Low Power Mode O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply APPENDIX C User Manual Version 1 01 Print Date 01 11 2013 Technical Specifications P1 Connector Plug in Uninterruptible Power intelligent Supply Advanced Technical Specifications Firmware Version 1 00 Type Top End Stack RaspberryPi ON OFF Hardware ON OFF switch cutting 5V supply to the RaspberryPi P1 Connector PINs used Standard e GND P1 Connector PINs used 6 9 14 20 25 e 5V P1 Connector PINs used 1 4 Optional Selectable by jumpers e SDAO P1 Connector PIN used 3 e SCLO P1 Connector PIN used 5 e TXDO P1 Connector PIN used 8 e RXDO P1 Connector PIN used 10 e GPIO GEN as 1 wire IO pin P1
5. All in One device with Plug amp Play capability In fact you do not need to set anything in order to use the UPiS module just Plug it on the P1 connector and Play with it However if you need more features you can easily access them by jumpers adjusting the UPiS exactly to your current project requirements The UPiS supports the user with a high number of features in a single low cost module All of these features will be explained in detail in the following sections All of these features will be explained in detail in the following sections Pi Modules Intelligent Modules for your RaspberryPi Print Date 01 11 2013 Uninterruptible Power intelligent Supply User Manual Version 1 01 System components UPiS Basic Version PCB View 16 MIPS UPiS controller with software RTC Onboard Analog temperature Waa RPIP4 connector Microcontroller Crystal ON OFF SWITCH Cut all power sources from the T RPi USB lt gt TTL Bridge FTDI LiPO Battery Plug in connector MOES ke Ups 160 aa Switching Power Onboard continuous Converter RPi current uic Step up consumption monitoring circuit Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Powering and charging LEDs Stackable or USB BAT CHG P dosed re Dual color LED 7
6. Connector PIN used 15 e GPIO GEN2 as SHTDWN pin P1 Connector PIN used 13 e GPIO GENO as RELAY CTRL P1 Connector PIN used 11 Type HPOLIPO Capacity 2600 mAh Nominal Voltage 3 7V Integrated protection Over Charge Over Discharge PCB UPiS on Bard Protection e Cut Off Jumper e PTC Resettable Fuse 2 6 A e Analog Thermometer e Microcontroller Supervised Charger with Cut Off pre conditions e Continuously current and voltage monitoring Battery Life 400 Full charge discharge cycles Working temperature 10 up to 60 Celsius degrees Weight Size Charging Modes e Full Charging Cycle e Trickle Charging Charging Current Continuous current 212 mA Voltage 4 2 V Charging Protection Extended External Powering e Thermal e Voltage e Current stop charging if total current of the system exceeds 750 mA e Input Voltages O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 o 7VDC 18 VDC e Protection o Inverse Polarity o PTCResettable Fuse 1 1 A o Transient Voltage Suppression e Conversion Type to 5 VDC o Switching Buck type Converter at 1 6 MHz e Efficiency o More than 8596 at 12V in and 850 mA out UPiS micro USB e Input Voltages o 5VDC within USB Powering Specifications e Protection o Mechanical Inverse Polarity o PTCResettable
7. Not Powered OFF ON and SHDW Not charged OFF OFF ON periodically every LPRSTA OFF OFF OFF OFF ON OFF ON periodically every LPRSTA OFF Disconnected Disconnected Disconnected ON ON Auto Intelligent Charging if needed ON Pi Modules User Manual Version 1 01 BAT CHG STA STB USB EXT BAT CHG STA STB USB EXT BAT CHG STA STB Intelligent Modules for your RaspberryPi Print Date 01 11 2013 Light Not Light Blinking for 100 mS every 500 mS when cable power is connected Not Light Light for 800 mS every 1 s within 40 s time frame when system is in File Safe Shutdown Procedure Light for 100 mS every 1000 mS when UPIS is running on battery backup power and battery level is higher than 3 4V and lower than 3 6V Light for 100 mS every 500 mS when UPiS Advanced is running on battery backup power and battery level is lower than 3 4V and higher than 3 2V Not Light Light Not Light Light periodically every LPRSTA Light only when battery is charging Not Light Not Light Light Not Light Light Not Light Light only when battery is charging Blinking for 100 mS every 500 mS when cable power is connected Not Light Light for 800 mS every 1 s within 40 s time frame Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Analog Temp ON when system is in File Safe Shutdown Procedure 1 wire ON if conn
8. Ru 470 uF Capacitor Sora for on line as power switching O1 ATES FE pu JE RSG CE A rm i em G e e c zx amp i us mi i D e fel 3 5 gt EE jsg Cut all power sources from ti RPi C24 32 C26 R31 C27 C28 R23 UP1S Pr zf o Q C 39 mO Fr E RIG zm E e R26 Tro 0S3 D Ex jme C Da X o 9 KES 1 Switching Power Converter Step up Micro USB lt gt TTL Bridge FTDI and Powering Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS Advanced Version PCB View 16MPSUPIS controller with software RTC Resettable Fuse Inverse Polarity 1 Over Voltage Protestoni Onboard Analog i temperature sensor Nu RPI P1 Microcontroller Crystal connector ON OFF SWITCH Cut all power sources from the RPi UA Di ma O LAL J External Extended Protected Powering Input 7VDC 18 VDC ideal for car applications or Solar Powering USB lt gt TTL Bridge FTDI On Board General Purpose NO Relay Resettable fuse RS232 level 1 wire protected converter Interface ES E Onboard continuous Pros icted witching Power RPi current Converter consumption Han Step up Step down monitoring circui
9. Safe Shutdown Procedure e LIGHTs for 100 mS every 1000 mS when UPIS is running on battery backup powering and battery level is higher than 3 4V and lower than 3 6V e LIGHTs for 100 mS every 500 mS when UPiS Advanced is running on battery backup powering and battery level is lower than 3 4V and higher than 3 2V Note When Battery level is lower than 3 2 V then system automatically initiates the File Safe RaspberryPi Shut Down Procedure in order to save power for the RTC The cut off power of the LiPOLiPo Battery is 3 V STA GREEN LED e Flashes for 10 times every 20 mS when powering source has been changed after 3 6 seconds of cable connection or disconnection e LIGHTs for 100 mS every 500 mS when cable power is O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Analog Temperature Sensor connected e LIGHTs for 100 mS every 2000 mS when UPIS is running on battery backup powering and battery level is higher than 3 6V typical running conditions on battery e DARK if system is in Low Powering Mode Accuracy 1 Celsius Degree Accessible readable only via Serial UPiS interface via commands STATUS or ANTMPC or ANTMPF When Temperature is Higher than 65 Celsius Degree or lower than 10 Celsius Degree then system automatically initiates the File Safe RaspberryPi Shut Down Procedure System Current Sensor
10. Setup pin 27 as an input while True Setup a while loop to wait for a button press if GPIO input 27 0 Setup an if loop to run a shutdown command when button press sensed os system sudo shutdown h now Send shutdown command to os break time sleep 1 Allow a sleep time of 1 second to reduce CPU usage You can easy check if your script is running just writing on the command line sudo python home pi upis fshut py and then pressing the Shutdown Button for more than 2 seconds until RED led will light on If you are done properly your above tasks the computer should print on the screen the following message and shutdown then The system is going down for system halt NOW After the Safe File Shutdown you can restart your RaspberryPi using the Reset Functionality This is the proper way of restarting you computer when using the UPiS module because removing cable activated battery back up and do not stop the system After shutdown of the RaspberryPi it is recommended to switch off the computer using the hardware switch placed on the UPiS PCB If the system is supplied from battery power back Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 up then it will goes automatically to Low Power Mode This functionality will be also available for the Cable Powering in future Firmware Updates Therefore there are the following ways to
11. Version 1 01 USB EXT BAT CHG STA STB USB EXT BAT CHG STA STB USB EXT Intelligent Modules for your RaspberryPi Print Date 01 11 2013 Not Light Light only if cable connected for data Light Light Not Light Light only when battery is charging Blinking for 100 mS every 500 mS when cable power is connected Not Light Light for 800 mS every 1 s within 40 s time frame when system is in File Safe Shutdown Procedure Light Not Light Light Not Light Light only when battery is charging Blinking for 100 mS every 500 mS when cable power is connected Not Light Light for 800 mS every 1 s within 40 s time frame when system is in File Safe Shutdown Procedure Not Light Not Light LED Indications Uninterruptible Power intelligent Supply Low Powering RPi Powering RPi USB Input RPi Powering RPi Switch Battery 5VDC Output Analog Temp 1 wire 12 V RS 232 USB interface Relay RTC System Monitoring Script Machine EPR Input USB Input RPi USB Input RPi Powering RPi Switch Battery 5VDC Output Analog Temp 1 wire 12 V RS 232 USB interface Relay RTC System Monitoring Script Machine EPR Input USB Input RPi USB Input RPi Powering RPi Switch Battery 5VDC Output Disconnected Powered ON Not charged ON ON ON if connected ON ON ON OFF ON ON ON Disconnected Disconnected Disconnected
12. items as per the manufacturer s original warranty Products which are returned for warranty repair will be forward shipped at the customer s expense After assessment and if the products are covered under warranty we will pay return freight costs However if a fault cannot be found and the product is deemed to be in good working order or not covered by warranty the customer pays shipping both ways and pays Pi Modules a service fee prior to the return of the products according to Pi Modules service price list If the goods are covered under warranty we will cover only the return costs and the repair or replacement of the product as we see fit We will only accept for repair only the items which are returned in the original packaging including all parts contained in the packaging and are undamaged including original packaging Warranty excludes normal wear and tear accidental or deliberate damage any such items will not be replaced In the case of refund no such refund will ever exceed the original purchase cost of the item and will not include any associated postage costs Pi Modules Intelligent Modules for your RaspberryPi
13. only This Cable Powering Source is designed to support outside word of RaspberryPi application Trough this Cable Powering Source it can be supplied with power from 7 V DC up to 18 VDC It equipped with enhanced protection system which contains reverse polarity protection overvoltage protection as also PTC resettable fuse of 1 25 A A dedicated switching converter converts the incoming power to 5 V DC The maximum current of the 1 4 A however to safety reasons the current monitoring system allows to draw continuously only 850 mA from it It is ideal for car application solar applications and basically whenever stable power supply is not available Onboard Rechargeable LiPO Battery 1150 mAh or 2600 mAh Valid for the UPiS BASIC and UPiS ADVANCED Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 The UPiS is equipped with a LiPO battery It is the power source when cable powering is missing There are two type of batteries offered depending of version of the UPiS The UPiS Basic LiPO Battery capacity is 1150 mAh and for the UPiS Advanced LiPO Battery capacity is 2600 mAh The LiPO batteries have been selected as a backup power sources due to best relation between size weight price and power capacity However a special care is needed to avoid unexpected events like overheating fire or even explosion Therefore you are kindly requested to av
14. power source has been changed after 3 6 seconds of cable connection or disconnection O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Analog Temperature Sensor e LIGHTs for 100 mS every 500 mS when cable power is connected e LIGHTs for 100 mS every 2000 mS when UPIS is running on battery backup power and battery level is higher than 3 6V typical running conditions on battery e DARK if system is in Low Power Mode Accuracy 1 Degree Celsius Accessible readable only via Serial UPiS interface via commands STATUS or ANTMPC or ANTMPF When temperature is higher than 65 degrees Celsius or lower than 10 degrees Celsius then system automatically initiates the File Safe RaspberryPi Shut Down Procedure System Current Sensor Real Time System Current measure Accuracy 10mA The measurement contains e The RaspberryPi current consumption e Battery Charging current consumption e Relay ON current consumption e Microcontroller current consumption e RS232 Level Converter current consumption e Serial Bridge current consumption e UPiS LEDs current consumption e Various Components of the UPiS current consumption Note Some measurements will be available with the Firmware update 1 02 as they are undergoing testing Battery Voltage Sensor Real Time System Current measure Accuracy 10 mV External Ex
15. the SDWN button release the SDWN button You will have all Green LEDs light and then STB RED Light Your UPiS is now in the bootloading mode and waiting for the hex file This procedure can be easy done with one finger due to close placement of these two buttons Figure 14 Top View Bootloader LEDs Green and Red SDWN and RST Buttons 13 Be sure that the Terminal program is not running because you will have a conflict with the Virtual Com Ports when UPiS_BL exe will be called Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 14 Run the UPiS_BL exe with required parameters from the COMMAND PROMPT or the modified UPiS Bootloader bat 15 When you start it the STB RED led will be switched to STA Green and you will see the following picture on the screen E C Windows system32 cmd exe IC Users MASTER Desktop RPI UPiS Firmware WEB_downloads gt UPiS_BL PORT COM29 BAUD 38400 DEBUGT out txt UPiS U1 00 hex Downloading UPiS V1 00 hex lt 16 The Firmware uploading procedure takes about 30 40 seconds after that UPIS Restarts 17 It is very important after latest firmware update with connected UPiS to your PC to run Terminal Program select the proper COM port press the RST button see messages sent by UPiS to the Terminal and type the command FACTORY to set the factory defaults 18 The following pi
16. until reaches 0 The RaspberryPi will 0 The RaspberryPi will 0 The RaspberryPi will 0 The RaspberryPi will be running for STOP after be sleeping for START be running for STOP after be sleeping for START X minutes after X minutes X minutes after X minutes Examples START 5 means sleep for 5 minutes and then startup STOP 3 means run for 3 minutes and then shutdown Means that system will shut down after 3 minutes then will be sleeping for 5 minutes and then start up and running for 3 minutes then shutdown and sleeping for 5 minutes etc O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 COMMAND RTCCF Valid for the UPiS BASIC and UPiS ADVANCED Meaning Real Time Clock Correction Factor Usage rtccf or RTCCF Disable the RTCCF correction procedure reset the RTCCF counter to 0 Usage rtccf or RTCCF Show the set value of the RTCCF counter Usage rtccf or RTCCF Show the current value of the running RTCCF counter This counter is decreasing until reaches value of 0 and makes correction Usage rtccf number or RTCCF number Set the current value of the RTCCF counter to decrease of 1 second the RTC after number seconds The number must be from 0 up to 4294967295 int32 Usage rtccf number or RTCCF number Set the current value of the RTCCF counter to increase of 1 second t
17. version only Battery Power Backup on each cable powering source including original RaspberryPi micro USB optional after firmware activation the UPS feature Onboard Rechargeable LiPO Battery 1150 2600 mAh battery working time is about 2 or 5 hours but depending from the version system load and configuration Onboard enhanced multiple level protection system for the LiPO battery e Cut off jumper e PTC fuse e Onboard Thermometer e Over charge and Over discharge protection e Over voltage and Under voltage protection Onboard Intelligent Automatic LiPO Battery Charger Charges the battery automatically but only if the supply voltage is present and can provide enough current to feed the RaspberryPi and to charge the battery RaspberryPi Hardware ON OFF Switch Embedded Emulated RTC Real Time Clock DS1307 accessible via RaspberryPi I2C and or RS232 provided from the System Onboard Analog Thermometer accessible via RaspberryPi RS232 Onboard True USB interface can be used as RS232 USB Bridge Programmable Time RaspberryPi File Safe Shutdown Button Full monitoring of all UPiS Powering Parameters via RaspberryPi RS232 port e Current Consumption e Voltage on each Power source e System Temperature e Battery Level e Powering source RTC based programmed Startup Shutdown Onboard UPiS Reset Button resets UPiS and RaspberryPi but not RTC by cutting the powering of the RaspberryPi for a very short time O
18. 3 P1 Connector PIN 15 Selection what controls over the 1 wire is done via selection with a Jumper S2 as shown on the picture here below O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Figure 9 S2 Top and Bottom View UPiS Control Selected In a case that UPiS has been selected to control the 1 wire interface it can be done via terminal from the RaspberryPi or PC or any other application accessing the Serial Port on the RaspberryPi The appropriate commands to do it are e 01WIREC 1 wire Temperature Celsius e I1WIREF 1 wire Temperature Fahrenheit In the future release of firmware our company is planning to release commands for the i button security key I C Connection Jumpers RTC Valid for the UPiS BASIC and UPiS ADVANCED The UPiS is equipped with RTC which is supplied by the same battery with the rest of the system The RTC is a software emulated DS1307 It communicates with the RaspberryPi identical with the original DS1307 In order to have connectivity with the RTC user need to short 2 jumpers of the IC the SDA and SDL A detailed description how to use and set up the UPIS RTC is described in another part Here below is shown the connected lC to the RaspberryPi If user use another application where these pins are needed should left them free Please kindly notice that it is possible to use multiple IC de
19. ASIC and UPiS ADVANCED The RaspberryPi ICs as also UPiS are generating a heating by itself It is important to the user to know at any time what temperature have the system and if is too high take an action i e switch off or start fan with embedded Relay For that reason a simple analog thermometer has been implemented on the UPiS board The value of the temperature can be read via RaspberryPi RS232 port The usage of it will be explained later on this document However it is very important to notice that a possibility to setup trigger on temperature is possible and make the activity on high or low temperature automatic and independent of the RaspberryPi For security reason the temperature of the UPiS cannot exceed the 60 Celsius due to battery life cycle Therefore if temperature is higher than 60 Celsius the UPiS as the first step of protection stop the charging of the battery in order to reduce current consumption and if the temperature is still too high start emergency shutdown procedure in order to save battery and after 40 seconds stop the powering to the RaspberryPi Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Basic System Operations What is in the BOX Valid for the UPiS BASIC and UPiS ADVANCED This package comes with everything you need to start using right out of the box the UPiS It is assembled tested and consists
20. Fuse 1 25 A o Transient Voltage Suppression P1 Connector optional Then system is powered through the RaspberryPi micro USB e Input Voltages o 5VDC within RaspberryPi powering specifications e Protection o None however supply is fully protected by the RaspberryPi supply system NOTE Will be available with the new version of Firmware V1 02 update However a big part of the UPiS functionality does not work with this source of powering It is recommended ONLY when it is not possible due to mechanical cabling to remove the USB cable powering the Pi Cable Powering Source Recognition User Protected 5V Automatic with priority to External Extended Powering e Protection o PTC Resettable Fuse 140 mA e Maximum current UPS Type o 140mA User non protected 3 3V e Protection Suggested usage is to o ICbyitself supply 1 wire interface e Maximum current o 100mA NOTE This is independent and separate from the RaspberryPi powering system and used in the UPiS to supply RS232 Level Converter Interface It can also be used for the suggested 1 wire Interface only Off line with extremely fast switching time and intermediate power preservation Power Loss Monitoring On P1 connector 5V PINs every 120 uS Power Loss Battery Backup Activation Condition e failing detection within 360 us 3 samples e Voltage level less that 4 3V programmable at any sample Power Battery Backup Less tha
21. OFF by the integrated microcontroller e FAST BLINKING o Battery is not connected o Battery is fault LED BAT GREEN e LIGHT when Boost Switching Converter is working with load or not e DARK when Boost Switching Converter is working e LIGHT for a short time 9 mS when system check RaspberryPi Powering Status in Low Powering Mode LED EXT GREEN e LIGHT when External Extended Powering Cable is connected and system powered from it e DARK when External Extended Powering Cable is not connected LED USB GREEN Dual Color LED STA and STB e LIGHT when UPiS micro USB Powering Cable is connected it doesn t mean necessarily that system is powering from it e DARK when UPiS micro USB Powering Cable is not connected STB RED LED e DARK if nothing important is happening e Flashes 10 times every 100 mS when measuring for the first time the mean powering values Voltages Current and Temperature It takes 2 seconds e LIGHTs for 800 mS every 1 s within 40 s time frame when system is in File Safe Shutdown Procedure e LIGHTs for 100 mS every 1000 mS when UPiS is running on battery backup power and battery level is higher than 3 4V and lower than 3 6V e LIGHTs for 100 mS every 500 mS when UPiS Advanced is running on battery backup power and battery level is lower than 3 4V and higher than 3 2V Note When Battery level is lower than 3 2 V the system automatically initiates the File Safe RaspberryPi
22. Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS Uninterruptible Power intelligent Supply for use with RaspberryPi User Manual Version 1 01 preliminary Raspberry Pi is a trademark of the RaspberryPi Foundation Firmware Release 1 00 Hardware Release VCO2 Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Table of Contents Firmware Updates Road Map rrrrrrnnnnnnnnrnnnnvrnnnnnnnnnrrnnnnnnnnnnnnsssnnnnnnnnnnnnssssnnsnnnnnnnnnsssnnnsnnnnnnsnne 4 System OVErV MEMEEEEEEEEEEEEEEEEEEEEEEEEEEEMMM 5 NAVE ROC GCI ON ene E N E E cae 5 Applications JD 5 Wet 0 ne n EE 5 System BIS scarce secearcecuceaecs secuaecenenececen seco oaee ne sceeeci E ce penee cess 8 SEP 8 Cable Powering Sources the Powering Feature rrrnnrnnnrrnnnnnnnnnrrnnrrnnnnnnnnssrnnnsnnnnnnnnne 8 Battery Power Backup the UPS feature cccccccccssssseeeeceeeeecseeseeeceeeeesssaaeeeeeeeeeeseas 9 UPIS Add Ons the Intelligent Features ccccccccssssssseeccceeecseeeeseeeeceeeesaeeeseeseeeeeeaas 10 System COMPONENMS EM 11 UPIS Basic Version PCB View cccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeseeeeeeeeeeess 11 UPIS Advanced Version PCB View eeeee nnns 13 RaspberryPi micro USB 5 VDC SOCKe t c ccccccesssssessececscesesescsvevevsce
23. ade according of the powering status of the 5V Pin on the P1 connector and current consumption The system continuously monitors the RaspberryPi P1 5V Pin detects the falling edge of power or lower voltage than the defined threshold and within 360 us it automatically activates the battery back up powering thus preventing the Raspberry Pi from suffering an unexpected power shutdown The activation time of battery back up power is extremely fast and is executed within 120 us and switching of power backup takes less than 14 us In addition a large tantalum capacitor is supplying the RaspberryPi system during this off line time in order to avoid power glitches 500 k a s Figure 1 Battery Powering switching process after a Cable Power loss O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS Add Ons the Intelligent Features The UPiS module first of all is an Advanced Powering System with battery back up for the RaspberryPi It is practically covering most of the possible requirements that user of the RaspberryPi can have with their system powering But there s much more than this Following the main goal of our company Intelligent Modules for your RaspberryPi we tried to design an as most as possible compact device yet offering as many as possible features for the standard user of the RaspberryPi We tried to design an
24. alid for the UPiS ADVANCED only Meaning Print the 1 wire sensor Thermometer Temperature Usage 1wiref or 1WIREF Results Explanation Return 1 wire sensor Thermometer Temperature in Celsius with accuracy of 0 1 degree in Fahrenheit COMMAND PWRINFO ON OFF Valid for the UPiS BASIC and UPiS ADVANCED Meaning Set ON OFF the Automatic Trigger when Powering Source is changing Usage pwrinfo on or PWRINFO ON Usage pwrinfo off or PWRINFO OFF Results Explanation If set to ON every time when powering source is changed send a message It is very useful to know for some remote application automatically when powering source has been changed Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 COMMAND LPRSTA Valid for the UPIS BASIC and UPiS ADVANCED Meaning Low Powering Restart Sampling Time Usage lprsta number 1 99 or LPRSTA number 1 99 Usage lprsta or LPRSTA Usage lprsta or LPRSTA Results Explanation Return or set the Low Power Return Time When System of UPiS and RaspberryPi are supplied from battery if the user shutdown it using the File Safe Shutdown Procedure or just switch off using mechanical switch then after couple of second the UPiS is going to the Low Powering Mode sleeping mode where the current consumption is very small Usual the UPiS consume during the LPR mode about 60 70 uA an
25. all required accessories A little work is necessary in order to setup the complete RaspberryPi and UPiS in a single full operating system Each Box contains the following parts e The UPiS module assembled and tested e Astick on the UPiS bottom side of battery dual layer wide temperature adhesive tape used for battery mounting e Set of necessary jumpers yellow e Separate packed LiPO battery 1150 mAh for the UPiS Basic and 2600 mAh for the UPiS Advanced e Amale green connector used for the External Extended Powering only for the UPIS Advanced e Aspare 1 Yellow Jumper Please kindly notice that due to shipping regulations LiPO batteries are packed in the same box but are physically separated and not connected to the UPiS module It must be connected by the user and it is a part of the installation procedure Please also kindly notice that in order to increase the safety of usage of the UPiS module all sources of the unprotected power mainly the enter point of the LiPO battery and Extended External Power input voltage 18VDC are covered by a special isolation in order to avoid any damages of the device due to shortcuts made by improper use System Installation Valid for the UPiS BASIC and UPiS ADVANCED The installation procedure of the UPiS Modules is divided into the following phases e The Battery assembly with the UPIS Modules e UPiS Module Jumpers check and setup optional e Physical installation of the Raspbe
26. all the bootup information is sent to the serial port Disabling this bootup information is optional and you may want to leave this enabled as it is sometimes useful to see what is happening at bootup If you have a device connected i e Arduino at bootup it will receive this information over the serial port so it is up to you to decide whether this is a problem or not You can disable it by editing the file boot cmdline txt The contents of the file look like this dwc_otg lpm_enable 0 console ttyAMA0 115200 kgdboc ttyAMAO 115200 console tty1 root dev mmcblk0p2 rootfstype ext4 elevator deadline rootwait Remove all references to ttyAMAO which is the name of the serial port The file will now look like this dwc otg Ipm enable 0 console tty1 root dev mmcblk0p2 rootfstype ext4 elevator deadline rootwait Reboot In order you enable the changes you have made you will need to reboot the Raspberry Pi sudo shutdown r now Test the Serial Port A great way to test out the serial port is to use the minicom program If you don t have this installed run sudo apt get install minicom Connect your PC to the RaspberryPi via Virtual Serial Port using an appropriate jumpers setting RaspberryPi RS232 to the UPiS Module micro USB Connector Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Figure 20 RaspberryPi RS232 connected
27. ature Fahrenheit PM Powering Mode CHGR ON OFF Charger ON or OFF RPI RaspberryPi P1 5V Voltage level EPR External Extended Voltage level USB UPiS USB Voltage level BAT UPiS Battery Voltage level CUR System Current Consumption 1WIREC 1 wire Temperature Celsius 1WIREF 1 wire Temperature Fahrenheit PWRINFO ON OFF Powering change source trigger LPRSTA Low Powering Restart Time TIME Time DATE Date START Timed RaspberryPi Startup STOP Timed RTC Correction Factor RTCCF RaspberryPi Shutdown Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Uninterruptible Power intelligent Supply Basic Technical Specifications Firmware Version 1 00 P1 Connector Plug in Type Top End Stack RaspberryPi ON OFF Hardware ON OFF switch cutting 5V supply to the RaspberryPi P1 Connector PINs used Standard e GND P1 Connector PINs used 6 9 14 20 25 e 5V P1Connector PINs used 1 4 Optional Selectable by jumpers e SDAO P1 Connector PIN used 3 e SCLO P1 Connector PIN used 5 e TXDO P1 Connector PIN used 8 e RXDO P1 Connector PIN used 10 e GPIO GEN2 as SHTDWN pin P1 Connector PIN used 13 Type HPOLiPo Capacity 1150 mAh Nominal Voltage 3 7V Integrated protection Over Charge Over Discharge PCB UPiS on Bard Protection e Cut Off Jumper e PTC Resettable Fuse 2 6 A e Analog Therm
28. back RPI Mode RaspberryPi Cable Powering This is the final and used very sporadic RPI Mode It happen only when the RaspberryPi is supplied from their original micro USB socked Due to still testing of this powering mode especially the battery powering exit to RPI mode it is not recommended to use it until next version of firmware where will be included in their full version Pi Modules Intelligent Modules for your RaspberryPi Powering Mode EPR Description External Cable Powering USB Cable Powering Battery Powering Uninterruptible Power intelligent Supply EPR Input USB Input RPi USB Input RPi Powering RPi Switch Battery 5VDC Output Analog Temp 1 wire 12 V RS 232 USB interface Relay RTC System Monitoring Script Machine EPR Input USB Input RPi USB Input RPi Powering RPi Switch Battery 5VDC Output Analog Temp 1 wire 12 V RS 232 USB interface Relay RTC System Monitoring Script Machine EPR Input USB Input Functionalities Connected Disconnected or only data Disconnected Powered ON Auto Intelligent Charging if needed ON ON ON if connected ON ON Jumpers depending ON OFF ON ON ON Disconnected Connected Disconnected Powered ON Auto Intelligent Charging if needed ON ON ON if connected ON ON ON OFF ON ON ON Disconnected Disconnected Pi Modules User Manual
29. cececesesvsvevevaceenensees 15 Additional UPiS micro USB BVDC socket nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 15 Extended External Powering Input 7 VDC 18 VDC sssseee 15 Onboard Rechargeable LiPO Battery 1150 mAh or 2600 mAh eeeeeeeeeee 15 LIPO Battery Protection System cccccssssccccsseeccceseececaeesceesaeeceesseueeessueseeesaeseessaaaees 16 Intelligent Automatic LiPO Battery Charger rrrnnnnnnrrnnnnnnnnnsnnnnvrnnnnnnnnssrnnsvrnnnnnnnnssnnnr 17 Me iuaueelkuet nm 17 Additional Protected 5 VDC 140 mA output for user applications 23 RaspberryPi Hardware ON OFF SwitCh rnnrnnnnnnnnnnnnnnrrnnnnnnnnnnnnnnnrrnnnnsssnnnnnnvrrnnnssssene 23 Embedded on Board Analog Temperature Sensor accessible via RS232 interface 23 Basic System Operations ee oiire EE EEE E EASES EEE EREET TEES 24 What is in the 10 CRM 24 System Installation cccccccesssssecccccecceeessseecceeceseeeeseseeeeeeeessaeaesseeeeesessseeaaseeeeeeeessaaagaess 24 RaspberryPi File Safe Shutdown Procedure and RaspberryPi Reset innan 29 Superior System Operations rrrnnnrrnnrnnnrrnvnnnnrvnrnnnnrnnnnnerrnrnnnesennnnsrnnnnnssennnnnsnnnnnsssnnnnnssnnnn 33 UPIS Firmware Upgrade Procedure cccccsssssssecccccccceeeseeeccceeeeseeeesseeeeeseesauaesseeseeeeeeaea 33 Routing the Serial and USB Ports rrnnnrrnnnnnnrrnnnnnnnnnsnnnnrnnnnnnnnassnnnnnnnnnnnnn
30. ches value of 0 and then shutdown using File Safe Shutdown Procedure the RaspberryPi Usage stop lt number gt or STOP lt number gt Set the current value of the STOP timer The lt number gt must be from 2 up to 1000 minutes Results Explanation There are many applications especially when running the RaspberryPi on battery supply when user needs to start it for a short time do something and then after predefined time shutdown it This approach is ideal when power is not enough therefore stopping and running the RaspberryPi save a lot of energy The START and STOP command predefine two timers that counts running and sleeping time Each timer starts when the other is stopped IN order to have running this system both values START and STOP should be set The UPiS executes always first the STOP after X minutes command Both values are stored in the UPiS EEPROM therefore it wills run as far the system is connected to the RaspberryPi STOP after X minutes START after STOP after X minutes START after X minutes X minutes RaspberryPi s RaspberryPi RaspberryPi is running nae Ty RaspberryPi is running P rry is sleeping is sleeping time ISTOP timer has been ISTART timer has been ISTOP timer has been ISTART timer has been loaded and is decreasing loaded and is decreasing loaded and is decreasing loaded and is decreasing levery minute until reaches every minute until reaches every minute until reaches levery minute
31. cture will be visible on the terminal screen Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS Basic Firmware Version 1 00 UPiS RESTART CAUSE MCLR FROM RUN UPiS System Started Powering Source USB UPiS Basic Firmware Version 1 00 Defaults UPiS EEPROM Setup Year 2000 Setup Month 1 Setup Dow 01 Setup Day 1 Powering Info Triger ON Low Power Restart Time 5 Seconds Raspberry Pi timed shutdown is inactive Raspberry Pi timed start up is inactive Real Time Clock Correction Factor set to 0 Seconds UPiS Intelligen Automatic Battery Charger Activated Writting data to UPiS EEPROM Data written to UPiS EEPROM UPiS RESTART CAUSE RESET_INSTRUCTION UPiS System Started Powering Source USB There is also a good idea to run the command status in order to see the UPiS Status Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS Basic Firmware Version 1 00 Powering Source USB UPIS RIC Date 2000 01 01 UPIS RIC Time 00 02 54 Average Powering Values RPi Voltage 4 59 EPR Voltage 0 00 V USB Voltage 4 65 V BAT Voltage 3 69 V UPiS Current 0 24 fl Battery Charger ON Low Power Restart Time LPRSTA is 5 seconds Raspberry Pi timed shutdown is inactive Raspberry Pi timed start up is inactive Analog S
32. d e There are no Pull Up resistors on the UPiS board therefore user need to setup the RaspberryPi resistors e The Pin which has been dedicated to this task is the pin GPIO 27 e Before this functionality will be used user need to put a proper jumper on the UPIS Board otherwise it will be not working as the input pin GPIO 27 is continuously scanning it to see if low state is O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 e f user does not need this functionality or need this pin the pin GPIO 27 could be used for other applications the associated jumper should be open removed There are two basic functionalities associated with the Shutdown Button There are e Reset Functionality e ile Safe Shutdown if a proper script is applied to the RaspberryPi Figure 12 Top View SDWN and RST Buttons The Reset Functionality is executed when the Shutdown Button is pressed for a longer time than 0 3 second and shorter than 2 second In practice it means that user need to press the button little bit longer and then leaves it up Then the UPiS module will cut immediately power of the RaspberryPi for a 1 second and then power it again This cutting of power is like a rest and immediately stops all functionalities of the RaspberryPi Please kindly notice that using of this functionality can cause of file system destroy in the SD card there
33. d the only running peripheral during that time is the RTC The recovery from this mode is possible in two ways e By pressing the SHDN button e By switching the mechanical switch or e By entering Cable Power However because the UPiS is in very Low Powering Mode most of the peripherals are not working are sleeping and not consuming current Therefore the UPiS needs to stand up periodically supply the peripherals make some measurements in order to see what is going on around it i e if Cable Power has been entered RaspberryPi switched ON and consuming current etc These checks of peripherals take 9 mS and consume 300 uA The time how often it is done is the LPRSTA time The default value is 5 second and that means that every 5 second UPiS stand up for a 9 mS check their peripherals and if nothing happen then going to sleep again if restart even happen listed above goes out from the LPR mode and start sunning as before Because during stand up consumption of current is much higher user can adjust how often it will happen in order to safe battery energy Examples LPRSTA 10 means that even if put the Cable to USB it will be recognized after 10 seconds and then the system starts up COMMAND TIME Valid for the UPiS BASIC and UPiS ADVANCED Meaning Shows the current UPiS RTC TIME Usage time or TIME O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Versio
34. description how to make it in the RaspberryPi is provided in another point of this manual However independent from the setting on the RaspberryPi there must be also a physical connection between UPiS and RaspberryPi which must be done by setting the proper jumpers like in the picture below Figure 17 RaspberryPi RS232 connected to UPiS Serial Port 4 UPiS Serial Port to the UPiS USB Connector Valid for the UPiS BASIC and UPiS ADVANCED This setting is similar to the 3 however routes the UPiS serial port to the UPiS micro USB It is used for the firmware bootloading for debugging purposes or just have a control over the UPiS via terminal running on PC Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Figure 18 UPiS Serial Port connected to the UPiS USB Connector 5 RS232 Level Converter Port to the UPiS USB Connector Valid for the UPiS ADVANCED only The UPiS RS232 level converter and UPiS micro USB are completely independent hardware on the board of the UPiS Therefore it can be connected and used according to jumper setting Sometime there is a need to have independent USB to Serial converter This configuration of jumpers make exactly this thing an independent USB to RS232 converter that can be used in the application built based on RaspberryPi Figure 19 RS232 Level Converter Port connected to the UPiS USB Connec
35. e to the UPiS module Here below is described step by step the firmware updating procedure Shutdown the RaspberryPi if it is running using File Safe Shutdown Procedure After that switch OFF the powering of the RaspberryPi with mechanical switch of the UPiS 3 It would be also good idea to unplug completely the RaspberryPi however it is not necessary and depends of the Jumper setting you have already set If you need to set Jumpers it is better to unplug the RaspberryPi from the UPiS The most important is to completely isolate powering of the RaspberryPi from the UPiS module 4 Setthe proper Jumpers in the Serial Ports Connection Matrix 5 Selected connection should be UPiS Serial Port routed to the UPiS micro USB Connector O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 6 Connect the UPiS module through their micro USB socket to USB socket in your PC via cable 7 Be sure that UPiS is connected through their micro USB to computer and powered via the same port 8 The UPiS micro USB should be recognized by the Windows OS and Virtual Com Port should be assigned If you doing that for the first time it could take little bit longer because Windows OS will install automatically the required driver 9 Using Device Manager check the Virtual Com Port number assigned to the UPiS USB connection i e COM29 10 Set the following parame
36. e also from a PC and associated Terminal Program i e TeraTerm Then it is not necessary to make any modifications to the RaspberryPi Serial Port usage Setting Up the RaspberryPi Serial Port Valid for the UPiS BASIC and UPiS ADVANCED By default the RaspberryPi s serial port is configured to be used for console input output Whilst this is useful if you want to login using the serial port it means you can t use the Serial Port in your programs To be able to use the serial port to connect and talk to other devices the serial port console login needs to be disabled Needless to say you will need some other way to login to the RaspberryPi it is suggested doing this over the network using an SSH connection Disable Serial Port Login To enable the serial port for your own use you need to disable login on the port There are two files that need to be edited The first and main one is etc inittab This file has the command to enable the login prompt and this need to be disabled Edit the file and move to the end of the file You will see a line similar to T0 23 respawn sbin getty L ttyAMAO 115200 vt100 Disable it by adding a character to the beginning Save the file T0 23 respawn sbin getty L ttyAMAO 115200 vt100 O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Disable Bootup Info When the RaspberryPi boots up
37. ected 12 V RS 232 ON USB interface ON Relay ON OFF RTC ON System Monitoring ON Script Machine ON O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Additional Protected 5 VDC 140 mA output for user applications Valid for the UPiS ADVANCED only The RaspberryPi can be used for an extremely wide range of applications Many of them are using additional components that require powering In order to support these range of application the UPiS offering a protected with PTC resettable fuse power output of 5 VDC This output is normally battery backup as the whole system RaspberryPi amp Hardware ON OFF Switch Valid for the UPiS BASIC and UPiS ADVANCED The RaspberryPi Computer is a genius system However due to cost reason some components are missing One of them is the ON OFF switch Users sometimes like to switch their computer ON or OFF rather than unplugging the cable In order to overcome this dysfunction the UPiS offer a hardware switch that completely isolates the powering from the RaspberryPi This functionality is available only when powering is going through the UPiS the micro USB or the Extended External Power It is not available if you are powering your RaspberryPi from the original micro USB placed in the computer board Embedded on Board Analog Temperature Sensor accessible via RS232 interface Valid for the UPiS B
38. ector 5 V Voltage on the cable powering inputs like EPR USB current consumption etc Changes between various O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 powering states can be monitored using scripting language giving to the user exact information about what powering mode is currently running However the switching procedure between each mode is completely automatic and user do not need to do anything in order to follow it The powering modes information is addressed to more advanced users who need to use this information for their dedicated application A short description of each powering mode as also required conditions when it switching on is described below USB Mode USB Cable Powering The USB Mode is the basic running mode of the UPiS and is used in most applications It happens when USB powering cable is connected to the UPiS micro USB connector and RaspberryPi is running drawing power from the UPiS through P1 connector The mechanical switch is switched ON Absence of UPiS micro USB cable power switches automatically the UPiS to the BAT mode when the RaspberryPi system is running on power drawing from the internal battery All functionalities of the System are available and running EPR Mode External Cable PoweRing The EPR Mode is the second of cable powering mode of the UPiS and used in the most embedded applications T
39. ensor Temperature 32 C 89 F After that the UPiS will be ready to use it with the RaspberryPi There is only on firmware available for both types of UPiS Basic and UPiS Advanced The firmware automatic recognize on which type of board is running and automatically selects the available futures Routing the Serial and USB Ports Valid for the UPiS BASIC and UPiS ADVANCED Both versions of UPiS modules are equipped with micro USB interface for powering and for data transfer as also the UPiS Module Advanced is in addition equipped with RS232 Level Converter These interfaces are designed in a way that allows connectivity between various serial links of the pair UPiS module and RaspberryPi In order to allow these various types of connectivity a Switching Matrix has been implemented It is a set of jumpers that with a selectable configuration forced various connectivity schemes There are Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 1 Routes RaspberryPi RS232 to the UPiS Module micro USB Connector Valid for the UPiS BASIC and UPiS ADVANCED This setting routes the RS232 RaspberryPi RS232 to the UPiS Module micro USB connector allowing viewing on the PC their I O The user can change access of this interface in the RaspberryPi in order to use it on their applications but it can be used also for Emergency Recovery of the RaspberryPi
40. erter is working with load or not e DARK when Boost Switching Converter is working e LIGHT for a short time 9 mS when system check RaspberryPi Powering Status in Low Powering Mode LED EXT GREEN e LIGHT when External Extended Powering Cable is connected and system powered from it e DARK when External Extended Powering Cable is not connected LED USB GREEN e LIGHT when UPiS micro USB Powering Cable is connected it doesn t mean necessarily that system is powering from it e DARK when UPiS micro USB Powering Cable is not connected Dual Color LED STA and STB STB RED LED e DARK if nothing important is happening e Flashes 10 times every 100 mS when measuring for the first time the mean powering values Voltages Current and Temperature It takes 2 seconds e LIGHTs for 800 mS every 1 s within 40 s time frame when system is in File Safe Shutdown Procedure e LIGHTs for 100 mS every 1000 mS when UPIS is running on battery backup power and battery level is higher than 3 4V and lower than 3 6V e LIGHTs for 100 mS every 500 mS when UPiS Advanced is running on battery backup power and battery level is lower than 3 4V and higher than 3 2V Note When Battery level is lower than 3 2 V the system automatically initiates the File Safe RaspberryPi Shut Down Procedure in order to save power for the RTC The cut off power of the LiPOLiPo Battery is 3V STA GREEN LED e Flashes 10 times every 20 mS when
41. fore it is STRONGLY RECOMMENDED to use it ONLY if the RaspberryPi does not response to any input device The File Safe Shutdown Functionality does not have this limitation and safe files from any corruption It is executed when the Shutdown Button is pressed for a longer time than 2 seconds In order to simplify usage of it when UPiS Module recognize pressed button for the File Safe Shutdown lights the RED led for 1 second and then flash it every second for 800 ms In practice it means that user need to press the button until RED led light and release it just after that Following will see the flashing RED led This is optical information that File Safe Shutting down procedure has been initiated and is in progress It takes 40 seconds on the UPiS module and after that you will see that RaspberryPi has been stop If you have initiated terminal on the RaspberryPi or connected other computer via USB you will see also the following messages on the screen UPiS System Stared File Safe Shutdown Procedure And when finished the shutting down O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS System Finished File Safe Shutdown Procedure Here below is described the simple procedure how to implement the simplest Python script used for the Safe File Shutdown Open Terminal from the command line or open an LXTerminal session and use the Nano
42. g in order to keep battery in a good conditions all the time Trickle charging means charging a fully charged battery under no load at a rate equal to its self discharge rate thus enabling the battery to remain at its fully charged level It is an automatic process and user does not need to intervene on it The charger is intelligent and full microcontroller supervised It is dynamically switching ON and OFF the charging process whenever powering supply is not able to provide enough current for the RaspberryPi and battery charging The integrated battery is charged with a stable current of 212 mA Powering Modes Valid for the UPiS BASIC and UPiS ADVANCED The RaspberryPi has various powering requirements depending to connected power source and System Status In example powering requirements and functionalities are different when System is running on Battery or on USB cable powering i e when system is running on Battery the UPS feature there is no battery charging Therefore in order to support it the UPiS follows System Power Requirements switches automatically to various powering modes There are 5 different powering states in the internal UPiS State Machine e USB USB Cable Powering e EPR External Cable PoweRing e BAT Battery Powering e LPR Battery Low Powering e RPI RPi Powering Switching between modes is done automatically by internal UPiS state machine and depends to various system parameters like Voltage on the P1 conn
43. he RTC after number seconds The number must be from 0 up to 4294967295 int32 Results Explanation The implemented RTC as all other RTCs has a small difference of crystal frequency This small difference produces a small drift between UPiS RTC and other RTCs i e internet time Cumulating of this drift within a long time can produce couple of second drift between UPiS RTC and other time sources This drift is always in the same direction therefore a small correction that will be added or subtracted correct it The RTCCF command adds or subtracts this correction every predefined number of seconds User need to measure this drift within a day or week calculate the number of second when elapsed when difference is of 1 second and add it or subtract One Day is 86400 seconds one Week is 604800 seconds and one Month is 2419200 seconds Each command use is confirmed by UPiS reply with detailed description what has been done Examples RTCCF 10000 means subtract every 10000 seconds one second from the RTC RTCCF 10000 means add every 10000 seconds one second to the RTC O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 APPENDIX B LED CHG GREEN Table of LED Indications e LIGHT when charger is working and battery is charged e DARK when charger is not working o Battery is fully charged o Battery charger is switched
44. hing Matrix Valid for the UPiS BASIC and UPiS ADVANCED The system which is folded from the RaspberryPi and the UPiS use for communication with external world and between them serial interfaces There are RaspberryPi Serial Port UPiS Serial Port UPiS micro USB port UPiS RS232 Level Converter Oo 0 0 O Cross connectivity between them is extremely important in order to support to the user the best possible exploitation In order to achieve this goal there ware designed a Serial Ports Switching Matrix based ona jumper selection A detailed description is provided below in a proper section below Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 UPiS NO Relay Controls Valid for the UPiS ADVANCED only The UPiS Advanced offers a single low power Normally Open Relay The outputs of its pins are placed on the screws free I O 8 Pins Terminal RA and RB It is shown here below Figure 6 Top View Screws free I O 8 Pins Terminal This NO Relay can be controlled by the UPiS commands through the terminal program or directly by the RaspberryPi from a dedicated Pin GPIO GENO P1 Connector PIN 11 Selection what controls over the NO Relay is done via selection with a Jumper 3 as shown on the picture here below UPS P1 Figure 7 3 Top and Bottom View UPiS Control Selected In a case that RaspberryPi has been selected to cont
45. his mode happens when Extended External Powering is connected to the power 7V DC 18V DC and RaspberryPi is running drawing power from the UPiS through P1 connector The EPR mode has absolute priority in UPiS System Powering That means if you have connected 2 cables the Extended External Powering Cable and the UPiS micro USB Cable the system will automatically select powering from the EPR and internally disconnect the micro USB cable from powering Therefore the micro USB Cable will be still connected but will act only as a data connection if it is connected to PC The mechanical switch is switched ON Absence of UPiS micro EPR cable power and not availability of USB cable switches automatically the UPiS to the BAT mode when the RaspberryPi system is running on power drawing from the internal battery All functionalities of the System are available and running BAT Mode BATtery Powering The BAT Mode is UPS mode and happens when Cable Power is not available the EPR USB and RPI In that case the internal switching regulator produce the necessary power from integrated battery and supply the RaspberryPi with power from the UPiS through P1 connector Switching time is extremely short less that 14 uS within 120 uS window and the RaspberryPi does not know that it is still powered form battery If Cable Power returns then the system switches back to it within 3 6 seconds This delay in switching back to the cable power is necessa
46. ly one The powering source selection is done according to implemented priority algorithm The highest priority has the RaspberryPi original micro USB supply so if you fit the Cable Power Supply to the RaspberryPi all other sources will be automatic deselected internally disconnected even if you have plug in cables to them The next priority is the Extended External Powering Input and same as before if you have connected this powering source the UPiS micro USB will be not active as a power source it will be only active as a data connection And finally the smallest priority has the UPiS micro USB powering Only if all of these cable powering sources are missing the battery back up is activated and supplying the RaspberryPi In practice because we usual using only one cable power supply recommended we are just using the selected cable power source and when power is down then immediately battery back up is starting up Summary of power source priorities RaspberryPi micro USB gt Extended External Powering gt UPiS micro USB gt Battery Back up Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Battery Power Backup the UPS feature The UPiS is an off line UPS with extremely fast switching time and intermediate power preservation in fact it is line interactive UPS Decision when battery back up should be activated is m
47. n 1 01 Print Date 01 11 2013 Results Explanation Return the TIME of the UPiS RTC COMMAND DATE Valid for the UPiS BASIC and UPiS ADVANCED Meaning Shows the current UPiS RTC DATE Usage date or DATE Results Explanation Return the DATE of the UPiS RTC COMMAND START Valid for the UPiS BASIC and UPiS ADVANCED Meaning Startup RaspberryPi after X minutes Usage start or START Disable the START timer procedure reset the START timer to 0 Usage start or START Show the set value of the START timer Usage start or START Show the current value of the running START timer This timer is decreasing until reaches value of 0 and then startup the RaspberryPi Usage start lt number gt or START lt number gt Set the current value of the START timer The lt number gt must be from 2 up to 1000 minutes Results Explanation A detailed explanation is in here below together with the STOP command COMMAND STOP Valid for the UPiS BASIC and UPiS ADVANCED Meaning Shutdown RaspberryPi after X minutes Usage stop or STOP Disable the STOP timer procedure reset the STOP timer to 0 Usage stop or STOP Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Show the set value of the STOP timer Usage stop or STOP Show the current value of the running STOP timer This timer is decreasing until rea
48. n 14 uS within a 120 uS window usual 3uS O Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Activation Time Power Return Conditions 3 6 s after power return and stabilization on cable powering inputs Battery Backup Electrical Specifications e 5VDCon P1 connector 5 V PINs e Total Supplied Current by the Battery System at 5 V o Guaranteed 850 mA o Tested 1000 mA Switching Converter Efficiency More than 8596 at 3 7 V input and 850 mA out Low Powering Mode Current Consumption all devices are switched off and system is disconnected from the Raspberry Pi e 7OuA with RTC running e When checking if RaspberryPi has been switched ON 300 uA for a period of 9 mS Repetitive checking which is programmable by the user defaults to 5 s RaspberryPi Estimated Running Time with typical load of 350 mA RS232 12V Level Converter About 5 hours with full battery charge Connectivity to e RaspberryPi Serial Port e UPiS micro USB Port UPiS micro USB UPiS Serial Port ESD Protected 1 wire pull up to 3 3 V Connectivity to e RaspberryPi Serial Port e UPiSSerial Port e UPiSSerial Port Data Rate 38400 bps 8N2 Connectivity to e RaspberryPi Serial Port e UPiS micro USB e UPiSSerial Port Data Rate 38400 bps 8N2 Selectable by jumper e UPiS read by the Raspberr
49. nboard NO RELAY controlled via RS232 or RaspberryPi Pin selectable by jumper GPIO GENO Onboard ESD Protected 1 wire interface controlled via RS232 or RaspberryPi Pin selectable by jumper GPIO GEN3 with separate 3 3V supply pull up resistor Onboard ESD Protected I O pin controlled via RS232 or RaspberryPi Pin selectable by jumper GPIO GEN3 Onboard True 12 V RS232 interface to the external world with level converter Protected Resettable fuse 140 mA 5 VDC output for user applications with battery backup feature Non protected 3 3 VDC output for user applications usually used for 1 wire application separate and independent from the RaspberryPi 3 3 supply requires that the RaspberryPi be powered from the second micro USB placed on the UPiS board or from Extended External Powering Input O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 23 Extended Tiny Encryption Algorithm XTEA cryptographic Customer Software Protection System with custom defined protection keys 24 Scripting language 25 LED based Status Information System 26 Bootloader feature for lifetime firmware update Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 System Basics UPiS Versions The UPiS module is 100 Plug and Play there is no need to setup a
50. ntelligent Charger OFF or ON Usage chgr on or 0CHGR ON Usage chgr off or CHGR ON Results Explanation Switches the Automatic Intelligent HPOLIPo battery Charger ON or OFF It is necessary sometimes when you are supplying the RaspberryPi from a power source with reduced current availability like user PC USB interface Under normal conditions UPiS check all the time system current consumption and when it is bigger than 750 mA then it is switching OFF the charger but sometimes the available current is not enough and is below it therefore user need to close the battery charging completely The UPS feature will be still active even if battery is not charged COMMAND RPI Valid for the UPiS BASIC and UPiS ADVANCED Meaning Voltage on the RaspberryPi 5V P1 connector Usage rpi or RPI O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Results Explanation Return the actual exact value of the RaspberryPi 5V voltage P1 connector COMMAND EPR Valid for the UPiS ADVANCED only Meaning Voltage on the External Extended Powering connector 7 V DC 18 V DC Usage epr or EPR Results Return the actual exact value of the Voltage on the External Extended Powering connector 7 V DC 18 V DC COMMAND USB Valid for the UPiS BASIC and UPiS ADVANCED Meaning Voltage on the UPiS micro USB connector Usage Qusb or USB Res
51. nything There is no need to change the original RaspberryPi micro USB Power Supply as the UPiS module uses exactly the same cabling You only need to plug in the P1 on the RaspberryPi and switch ON the UPiS module in order to supply your system To take advantage of all the features of the UPiS you will typically connect the original RaspberryPi micro USB Power Supply to the UPiS thus interposing the UPiS between the power supply and the RaspberryPi but if you need to keep the old cabling as it was you can even select to keep the power supply directly connected to the RaspberryPi There are two versions of UPiS available UPiS Basic and UPiS Advanced Each one could be ordered in two variants i e with top end or stack P1 connector The stack version allows plugging on additional user boards while the top end should be the end of the RaspberryPi System Cable Powering Sources the Powering Feature The UPiS module is designed to offer automatic power battery back up to the RaspberryPi supplied from the following Cable Powering Sources o RaspberryPi micro USB 5V DC available from firmware release V1 20 o Additional micro USB 5V DC o Extended External Powering Input 7V DC 18V DC Advanced version only It is recommended to use only one Cable Powering Source at a time however if more than one of the Cable Powering Sources are available plug in then the UPiS runs an automatic process which selects and activates on
52. oid any mechanical damage of such types of batteries like drilling cutting or breaking If you recognize such type of battery damage please immediately disconnect it from the system and put on safety place before recycle it LiPO Battery Protection System Valid for the UPiS BASIC and UPiS ADVANCED The UPiS is equipped with series of battery protections in order to avoid any dangerous incidents There are e Analog thermometer The embedded UPiS microcontroller based on the integrated analog thermometer continuously checks the UPiS PCB System Environment Battery temperature and whenever exceeds the 60 Celsius Degrees stop the charging process and if exceeds 60 Celsius Degrees initiate the UPiS emergency shutdown procedure and File Safe RaspberryPi System shutdown As the result it cut the system powering for security reasons e PTC resettable fuse Battery is connected to the system through a 2 6 A PTC resettable fuse Whenever battery current exceeds this value during charging or powering process battery will be automatic cut off from the system and will remain in this stage until powering requirements come back to the normal conditions e Cut off power jumper Battery powering of the system is going thought a cut off jumper In order to have battery connected to the system it is necessary to short it with jumper It is strongly recommended for security reasons to keep this jumper open battery disconnected when system is transp
53. ometer e Microcontroller Supervised Charger with Cut Off pre conditions e Continuously current and voltage monitoring Battery Life 400 Full charge discharge cycles Working temperature 10 up to 60 Celsius degrees Weight Size Charging Modes e Full Charging Cycle e Trickle Charging Charging Current Continuous current 212 mA Voltage 4 2 V Charging Protection e Thermal e Voltage e Current stop charging if total current of the system exceed 750 mA Cable Poweringinputs UPiS micro USB e Input Voltages o 5VDC within USB Powering Specifications e Protection o Mechanical Inverse Polarity o PTCResettable Fuse 1 25 A o Transient Voltage Suppression P1 Connector optional e Input Voltages Then system is powered O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 trough the RaspberryPi micro USB o 5V DC within RaspberryPi Powering Specifications e Protection o NONE however supply is fully protected by the RaspberryPi supply system NOTE Will be available with the new version of Firmware V1 02 update However a big part of the UPiS functionality does not work with this source of powering It is recommended ONLY when it is not possible due to mechanical cabling to remove the USB cable powering the Pi Cable Powering Source Recognition Automatic UPS Ty
54. or e UPiS System Reset restarts UPiS RTC and O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 RaspberryPi e Activation of Bootloader functionality UPiS SDWN LED CHG GREEN Used for e Activation of Bootloader functionality e Restarts RaspberryPi without resetting UPiS RTC e File Safe RspberryPi Shutdown Procedure e LIGHT when charger is working and battery is charged e DARK when charger is not working o Battery is full charged o Battery charger is switched OFF by the integrated microcontroller e FAST BLINIKNG o Battery is not connected o Battery is fault LED BAT GREEN e LIGHT when Boost Switching Converter is working with load or not e DARK when Boost Switching Converter is working e LIGHT for a short time 9 mS when system check RaspberryPi Powering Status in Low Powering Mode LED USB GREEN Dual Color LED STA and STB e LIGHT when UPiS micro USB Powering Cable is connected it doesn t mean necessary that system is powering from it e DARK when UPiS micro USB Powering Cable is not connected STB RED LED e DARK if nothing important happens e Flashes for 10 times every 100 mS when measures first time the mean powering values Voltages Current and Temperature It takes 2 second e LIGHTs for 800 mS every 1 s within 40 s time frame when system is in File
55. orted and not human supervised i e via Airplane It is important to know that emulated RTC running on the microcontroller is powered by the same battery with the rest of the system Therefore disconnecting of the system battery will cause immediate lost of its settings e Continuously current monitoring O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 The UPiS is equipped with embedded real time current monitoring Value of current consumption is continuously monitored by the microcontroller and whenever exceeds predefined values initiate the File Safe RPi System shutdown procedure As the result it cut the system powering for security reasons In addition each LiPO battery is equipped itself with protection PCB which controls the over charge and over discharge conditions of the battery This circuit automatically cut off battery from power source when battery level is lower than 3 V during discharge and higher than 4 2 V during charge process This security system is implemented in order to save battery live in addition to already existing protections embedded in the battery charger Intelligent Automatic LiPO Battery Charger Valid for the UPiS BASIC and UPiS ADVANCED UPiS has implemented an automatic charger that control the battery level and when it is necessary charge it When battery is full it automatically switches to trickle chargin
56. pe Off line with extremely fast switching time and intermediate power preservation Power Loss Monitoring On P1 connector 5 V PINs every 120 uS Power Loss Battery Backup Activation Condition e Falling edge detection within 360 us 3 samples e Voltage level less that 4 3 V programmable at any sample Power Battery Backup Activation Time Less than 14 uS within a 120 uS window usual 3uS Power Return Conditions 3 6 s after Power Return and Stabilization on Cable Powering Inputs Battery Backup Electrical Specifications e 5VDConP1 connector 5 V PINs e Total Supplied Current by the Battery System at 5 V o Guaranteed 850 mA o Tested 1000 mA Switching Converter Efficiency More than 8596 at 3 7 V input and 850 mA out Low Powering Mode Current Consumption all devices are switched off and system is disconnected from the Raspberry Pi9 e 70uA with RTC running e When checking if RaspberryPi has been switched ON 300 uA for a period of 9 mS repetitions of checking is programmed by user default is 5 s RaspberryPi Estimated Running Time with typical load of 350 mA UPiS micro USB About 2 hours with full battery charge Connectivity to e RaspberryPi Serial Port e UPiSSerial Port e UPiSSerial Port Data Rate 38400 bps 8N1 UPiS Serial Port UPiS RST Connectivity to e RaspberryPi Serial Port e UPiS micro USB e UPiSSerial Port Data Rate 38400 bps 8N1 Used f
57. rd and the UPiS will still provide battery back up to the RaspberryPi If the external power supply is connected directly to the RaspberryPi then the UPiS will use the P1 connector both to monitor the powering status and to inject power into the RaspberryPi when the sensed powering becomes insufficient However in this arrangement some functionality of the UPiS is not available for it In particular e The hardware switch has no effect e All timed ON OFF functionalities are not available e The measurement of current consumption cannot be performed so the functionalities that depend on it are not available in this powering option e Low Powering Mode for the RaspberryPi is not available Therefore to take full advantage of the UPiS functionalities it is recommended to use this powering input mode only if necessary Additional UPiS micro USB 5VDC socket Valid for the UPiS BASIC and UPiS ADVANCED This Cable Powering Source is identical to the original RaspberryPi micro USB and is protected in the same way with SMB 5V and 1 25 PTC resettable fuse If the external power supply of the RaspberryPi is connected to this input of the UPiS then the UPiS will feed the RaspberryPi through the P1 connector All the features of the UPiS can be exploited when using this connection scheme therefore it is strongly recommended to use this connection scheme Extended External Powering Input 7 VDC 18 VDC Valid for the UPiS ADVANCED
58. rol the NO Relay it is a user responsibility to write an appropriate script or program handling this Pin In a case that UPiS Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 has been selected to control the NO Relay it can be done via terminal from the RaspberryPi or PC or any other application accessing the Serial Port on the RaspberryPi The appropriate commands to do it are e RON Relay ON Close e ROFF Relay OFF Open Battery cut off jumper Valid for the UPiS BASIC and UPiS ADVANCED The integrated battery is equipped with a various security protections One of them is the cut off jumper P4 The usage of this jumper is to galvanic isolate the battery from the UPiS system There is important to note that by removing this jumper battery is not charged and the UPiS system is not supplying including RTC Therefore opening of it is necessary only when UPiS is shipped via Air Plane for security reasons For normal usage of the UPiS this jumper should be always closed Figure 8 Bottom View Battery Cut Off Jumper 1 wire selection Jumper Valid for the UPiS ADVANCED only The UPiS Advanced has an embedded interface for the 1 wire sensors This interface is ESD protected This 1 wire interface can be controlled by the UPiS commands through the Terminal Program or directly by the RaspberryPi from a dedicated Pin GPIO GEN
59. rryPi e RaspberryPi Software setup optional Battery Assembly Valid for the UPiS BASIC and UPiS ADVANCED O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 In order to install LiPo battery you need to unpack it and connect the battery connector to the white connector on the PCB as shown on the picture In addition the battery cable should be conducted through the slot on the UPiS Modules PCB Then protection from the wide temperature adhesive tape should be removed and battery should be glued on it The following pictures show step by step above procedure UPiS Module Jumpers setup Valid for the UPiS BASIC and UPiS ADVANCED The UPiS module uses interfaces with the RaspberryPi only via 2 pins trough the P1 connector e 5VDC e GND All other pins are free to use and depending to the user needs Selection of which pins are used is made using jumpers that connect UPiS selected add ons peripherals to RaspberryPi Each peripheral can be controlled via selected jumper connecting it to the RaspberryPi or via UPiS serial port using proper commands from a terminal program running on the RaspberryPi or any other computer connected to the UPiS Selection how the required UPiS Peripheral will be used is always made by a proper jumper set up The peripherals controlled by activated by Jumpers are listed here below UPiS Serial Ports Switc
60. ry in order to stabilize the power source Any instability of the cable power within this 3 6 second time cause resetting of the internal timer and counts the 3 6 seconds again until cable power will be stable for this required time During using the RaspberryPi the current flow is many time high for a short times therefore it is possible that user will see switch to the BAT mode even if cable is still connected It happens because Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 the availability of power in the PSU is not so fast as expected which cause falling ages of voltage and it activates the BAT Mode in order save powering conditions of 5V on p1 connector All functionalities except of battery charging of the System are available and running LPR Mode Low Powering Mode The LPR Mode is variation of the BAT Mode and happens when the RaspberryPi is not drawing a power for the UPiS Therefore the UPiS in order to save energy switch off most of the peripherals microcontroller and goes to sleep mode During this more it consumes only 60 uA and the only continuously running peripheral is the RTC Periodically check the Cable Powering Conditions and if it comes back switch the back to the appropriate Cable Mode Exceed for this mode is also possible by pressing the SHDN button it will start up the RaspberryPi and switch to the BAT Mode
61. sssnnnnnnnnnnnnsssnnnn 39 UPIS Terminal Commands Conttol ttt decoy ieee lees see 42 UPIS Terminal Commands Set snnonnnnnnnnnonnnnnrrnnnnnnnnrnnnnnrrnnnnennssrnnnnrrrnnnenssrrnnnnrrrnnnessseen 45 O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 APPENDIX B APPENDIX C Table of LED Indications rrurnnnnnnnnnnnnnennnnnnnnnnnnnnennnnnnnnnennnnennnnennnnernnnennnuennne Technical Specifications cccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Firmware Updates Road Map The UPiS is a hardware platform that covers many features Most of them are supported by the Firmware Version Release 1 00 However some of them are planned features and are still under testing or under development phase and will be released soon in the next versions of firmware The following table describes the Implementation and Versions Release Road Map Firmware Features Added Version 1 00 UPiS Official Firmware Version Release 1 10 1 USB RS222 interface bridge option powering matters 1 20 1 Original micro USB RaspberryPi powering the RPI mode full inplementation 2 Onboard ESD Protected I O pin controlled via RS232 3 Low Powering Mode when cabling suppl
62. switch of the RaspberryPi 1 Safe File Shutdown without risk of corrupted files 2 Switch Off the system with the integrated mechanical switch with a risk of files corruption Superior System Operations UPiS Firmware Upgrade Procedure Valid for the UPiS BASIC and UPiS ADVANCED In order to keep UPiS module firmware up to date an embedded serial bootloader has been implemented Invoking it is done when the UPiS module starts from UPiS RESET with pressed at the same time SHDN button This feature allows user to update the firmware trough the micro USB port placed on the UPiS module In order to upload the new firmware to the UPiS dedicated bootloader software needs to be running on the PC Current version of the boot loader supports only Windows Operating System For the UPiS Firmware Update Procedure will be needed 1 Personal Computer with Windows OS 2 Micro USB to USB cable 3 The bootloader program You need to download the bootloader software file with a name UPiS bootloader zip from the following location http www pimodules com downloads UPiS bootloader zi Save to a known location on your PC and unzip it to a folder i e c UPiS Unzipping of this file will generate i UPiS BL exe ii UPiS Bootloader bat 4 The latest Hex file of the firmware You need to download the latest UPiS firmware file with a name UPiS firmware v1 00 zip from the following location http www pimodules com downloads UPiS firmware v1 00
63. t n ESSERI ronem eure O Pi Modules Intelligent Modules for your RaspberryPie ninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Powering and charging LEDs Stackable or pen Soler a USB EXT BAT CHG Top end RPI W 7 i P1 connector DN 470 uF Capacitor ee lt gt for ondine 4 gt power switching I y O11 yD13 2215 iB por 0 ONOFF SWITCH 4 HG BAT EXT USB 1m ai 2 s Cut all power i P x m E Ta de etel n ue vi n SDLIN b 64 di A UBL rani ACCU C32 C26 3 Ragu C2 C28 RST UP as S P Protected Powering Input 7VDC 18 VDC ideal for car applications or Solar Powering X p S5 UPIS Roset Used ONLY when Bootloader is required Micro USB Resettable Fuse protection UPIS _ 1 AP cr s Viade in Greece Micro USB lt gt TTL Bridge s FTDI and Powering Switching Power 8 pins WO screws free Converter co AT Step up Step down RS232 RX GND 1 wire Input 3 3 VDC RELAY A RELAY B FUSED 5 VOC Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 RaspberryPi micro USB 5 VDC socket Valid for the UPiS BASIC and UPiS ADVANCED The external power supply can be connected directly to this input of the RaspberryPi boa
64. tended Powering Voltage Sensor Real Time System Current measure Accuracy 10 mV micro USB Powering Voltage Sensor Real Time System Current measure Accuracy 10 mV RaspberryPi P1 5V Powering Voltage Sensor Real Time System Current measure Accuracy 10 mV Emulated RTC DS1307 with drift correction system Emulated RTC based on the crystal of 32768 KHz Communicates with RaspberryPi via I2C and emulates the DS1307 It will be provided on the Firmware update 1 01 Timed Start Up Shutdown Programmed on RTC Timer starts up and shutdown based on 1 minute intervals e Maximum programmed time is 1000 minutes e Minimum programmed time is 2 minutes XTEA Encryption System XTEA Cryptographic system with user keys Programmable providing Cryptographic protection of professional software written for the RaspberryPi It will be provided on the Firmware update 1 02 O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Scripting Commands 23 commands are currently implemented These will be improved and added to according to requests from users and system developments Each command starts always with FACTORY Factory Defaults VERSION Hardware and Firmware Version STATUS System Status RON Relay ON ROFF Relay ON ANTMPC Analog Temperature Celsius ANTMPF Analog Temper
65. ters on the Virtual Com Port Bit per Second 38400 Data Bits 8 Parity NONE Stop Bits 2 Flow Control XON XOFF USB Serial Port COM29 Properties X General Port Settings Driver Details Bits per second 38400 v Data bits 8 v Parity None v Stop bits 2 v Advanced Restore Defaults OK Cancel In the Advanced Tab make the following changes O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Advanced Settings for COM29 we COM Port Number com29 x USB Transfer Sizes Select lower settings to correct performance problems at low baud rates Select higher settings for faster performance Receive Bytes Transmit Bytes BM Options Miscellaneous Options Select lower settings to correct response problems Serial Enumerator Serial Printer Latency Timer msec Cancel If Power Off Event On Surprise Removal Timeouts Set RTS On Close Disable Modem Ctrl At Startup Minimum Read Timeout msec Minimum Write Timeout msec Latency Timer 1 11 You should know the Virtual Com Port in order to use it with the UPiS_BL exe bootloader software 12 To invoke the bootloading procedure on the UPiS press the RST button and after that having pressed the RST button the SDWN and after that release the button RST having pressed
66. text editor to add some code to enable the Python script created to run when the RaspberryPi boots up Type in sudo nano etc rc local and then add in the following code sudo python home pi upis fshut py before the line that says exit 0 Press Ctrl X to exit the Nano editor and when prompted press Y and then Enter in order to save the file you just edited Next prepare the directory where the script will be place i e upis using the following command mkdir upis Using nano editor write the following script and save on pre prepared directory upis with a name fshut py sudo nano home pi upis fshut py The screen below shows the script that need to be entered using nano O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 File home pi upis fshut py RPi GPIO GPIO time os GPIO setmode GPIO BCM GPIO setup 27 GPIO IN pull up down GPIO PUD UP True GPIO input 27 0 os system time sleep 1 Get Help 9 WriteOut 4 Read File Mf Prev Page Cut Text Cur Pos I Exit Justify Where Is Next Page UnCut Text To Spell Figure 13 File Safe Shutdown Python Script fshut py Import the libraries to use time delays send os commands and access GPIO pins import RPi GPIO as GPIO import time import os GPIO setmode GPIO BCM Set pin numbering to board numbering GPIO setup 27 GPIO IN pull up downzGPIO PUD UP
67. to the UPiS Module micro USB then open TeraTerm or a similar serial terminal program on PC side Setup a connection using the serial port at 38400 baud Now run up minicom on the Raspberry Pi using minicom b 38400 o D dev ttyAMAO What you type into the minicom terminal screen should appear on the serial PC terminal and vice versa UPiS Terminal Commands Set Valid for the UPiS BASIC and UPiS ADVANCED In order to simplify the UPiS TCC string parsing each command send to UPiS are ALWAYES start with sign of Here below is the list with detailed explanation of command implemented until now Please kindly notice that we are working on more commands functionalities that will be released soon with the next firmware releases COMMAND FACTORY Valid for the UPiS BASIC and UPiS ADVANCED Meaning Factory Defaults Usage factory or FACTORY Results Explanation Return UPiS to Factory Default Values Should be used always after upload of a new firmware COMMAND VERSION Valid for the UPiS BASIC and UPiS ADVANCED Meaning Print the Version Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Usage version or VERSION Results Explanation Return UPiS Hardware and Firmware Version COMMAND STATUS Valid for the UPiS BASIC and UPiS ADVANCED Meaning Print the UPiS Status Usage status or STATUS Results Explanation Ret
68. tor UPiS Terminal Commands Control Valid for the UPiS BASIC and UPiS ADVANCED The UPiS is a Plug and Play device in their basic functionality After assembly of the battery and connection with RaspberryPi there is no need for any additional maintenance in order Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 to use most of features However there is a group of users that have more advanced needs The Terminal Commands Control is addressed to them The TCC give to such user a plenty of additional features all in a single board Some of them can be accessed directly from the RaspberryPi Pins by using jumpers selection but all of them can be accessed from a single access point the RaspberryPi RS232 port connected directly to the UPiS Serial Port This can be done simple by a terminal program or by software written in any language C Python etc that has an access to the RaspberryPi Serial Port Here below will be presented all commands as also how to make necessary changes in the RaspberryPi in order to use their serial port by user application Writing software to handle the serial port in various languages is not a part of this manual therefore all command will be presented how can be handled from the terminal program In addition if the UPiS Serial Port will be routed to the UPiS micro USB interface this functionality can be handl
69. ults Explanation Return the actual exact value of the voltage on the UPiS micro USB connector COMMAND BAT Valid for the UPIS BASIC and UPiS ADVANCED Meaning Voltage on the UPiS Battery Usage bat or OBAT Results Explanation Return the actual exact value of the voltage on the UPiS Battery COMMAND CUR Valid for the UPIS BASIC and UPiS ADVANCED Meaning System Current Consumption Usage cur or CUR Results Explanation Return the actual exact value of the UPiS and RaspberryPi system current consumption Accuracy 10mA The measurement contains O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 e The RaspberryPi current consumption e Battery Charging current consumption e Relay ON current consumption e Microcontroller current consumption e RS232 Level Converter current consumption e Serial Bridge current consumption e UPiS LEDs current consumption e Various Components of the UPIS current consumption There is a working version that will be released soon with a new firmware showing separated current consumption of the RaspberryPi and UPiS COMMAND 1WIREC Valid for the UPiS ADVANCED only Meaning Print the 1wire sensor Thermometer Temperature Usage 1wirec or 1WIREC Results Explanation Return 1wire sensor Thermometer Temperature in Celsius with accuracy of 0 1 degree in Celsius COMMAND 1WIREF V
70. urn UPiS detailed status that contains all needed parameters of the system like powering source Voltages Current and Analog Temperature etc COMMAND RON Valid for the UPiS ADVANCED only Meaning Normally Open Relay switch ON Usage ron or RON Results Explanation Switch the NO Relay ON COMMAND ROFF Valid for the UPiS ADVANCED only Meaning Normally Open Relay switch OFF Usage roff or ROFF Results Explanation Switch the NO Relay OFF COMMAND ANTMPC Valid for the UPiS BASIC and UPiS ADVANCED Meaning Print the UPiS Analog Thermometer Temperature Usage antmpc or ANTMPC Results Explanation Return UPiS Analog Thermometer Temperature in Celsius COMMAND ANTMPF Valid for the UPiS BASIC and UPiS ADVANCED Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 Meaning Print the UPiS Analog Thermometer Temperature Usage antmpf or ANTMPF Results Explanation Return UPiS Analog Thermometer Temperature in Fahrenheit COMMAND PM Valid for the UPiS BASIC and UPiS ADVANCED Meaning Powering Mode Usage pm or PM Results Explanation Return UPiS actual Powering Mode There are e USB USB Cable Powering e EPR External Cable PoweRing e BAT Battery Powering e LPR Battery Low Powering e RPI RPi Powering COMMAND CHGR ON OFF Valid for the UPiS BASIC and UPiS ADVANCED Meaning Switch Automatic I
71. ut for other non standard powering sources Applications The UPiS as an add on Module is addressed to all users that need a power back up and or sensing features for applications running on the RaspberryPi All applications running on the RaspberryPi can take advantage of the uninterruptible power supply feature of the UPiS ranging from RaspberryPi based fan less servers to solar powered applications but in addition the UPiS provides a wealth of sensors and features all cumulated in a single all in one unit that can enable writing many innovative applications Features The features of the UPiS Module can be categorized as follows Powering functionalities Oand control functionalities o RTC functionalities Interfaces functionalities Software Protection functionalities Environment supervising functionalities In detail the list of UPiS features is here below 4 Supervised and Protected Powering from all cable sources e RaspberryPi micro USB 5 VDC available from firmware release V1 20 the Extended External Voltage input is available only in the Advanced version of the UPiS O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 10 11 12 13 14 15 16 17 18 19 20 21 22 e Additional micro USB 5V DC e Extended External Powering Input 7V DC 18V DC Advanced
72. vices on the same bus Figure 10 Bottom View IC connected to the RaspberryPi O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 File Safe Shutdown initiation Pin Jumper Valid for the UPiS BASIC and UPiS ADVANCED The File Safe Shutdown feature gives to the user a proper way to shutdown the RaspberryPi by a single button pressing However this procedure need to be recognized by the RaspberryPi and for that reason a dedicated jumper need to be closed set If it will be open then the RaspberryPi will never know that somebody request the shutdown of the system The detailed procedure of the setting up shutdown is described here below TW peL NN Figure 11 Bottom View the File Safe Shutdown Jumper RaspberryPi File Safe Shutdown Procedure and RaspberryPi Reset Valid for the UPiS BASIC and UPiS ADVANCED In order to support the File Safe Shutdown procedure a simple script should be written and stored on the RaspberryPi There are many simple script written around this matter and can be easy find out over the internet however we provide one examples that could be easy implement Scripts could be divided into two basic categories e Interrupt based and e Loop based User of the UPiS module is basically free to use their own script however always should keep in mind some basics of the implemented circuit on the UPiS boar
73. y is available 1 30 1 Extended Tiny Encryption Algorithm XTEA cryptographic Customer Software Protection System with custom defined protection keys 2 RTC based Alarms for RaspberryPi wake up and sleep 1 40 3 Event Driven Advanced Scripting Language Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 System Overview Introduction The UPiS is an Advanced Powering add on Module for the RaspberryPi that adds to the powering functionality a wealth of additional features It is equipped with a LiPo battery 1150 or 2600 mAh and features a buck boost switching power converter There is no need for any additional cabling or Power Supply as the UPiS is powered by the same Power Supply of your original RaspberryPi you just insert the UPiS on the top of the P1 connector of your RaspberryPi The UPiS has an embedded measurement system that continuously checks the powering voltage and current consumption and when the cable power is absent or insufficient it automatically switches to the battery source Then it keeps checking the input voltage on all power sources and when cable power gets available again it switches to it automatically turning the battery source off The UPiS uses exactly the same micro USB Power Supply that you are using to supply your RaspberryPi however it has also an Extended External Voltage inp
74. yPi on its Serial Port e Directly connection to RaspberryPi GPIO GEN3 ESD Protected i button pull up to 3 3 V available from firmware version 1 02 Selectable by jumper e UPiS read by the RaspberryPi on its Serial Port e Directly connection to RaspberryPi GPIO GEN3 ESD Protected I O Pin pull up to 3 3 V Selectable by jumper e UPiS read by the RaspberryPi on its Serial Port e Directly connection to RaspberryPi GPIO GEN3 NO RELAY only for low voltages application Selectable by jumper e UPiS read by the RaspberryPi on its Serial Port e Directly connection to RaspberryPi GPIO GEN3 Electrical Guaranteed Load e 1A24VDC UPiS RST Used for e UPiS System Reset restarts UPiS RTC and RaspberryPi e Activation of Bootloader functionality UPiS SDWN Used for Pi Modules Intelligent Modules for your RaspberryPi Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 LED CHG GREEN e Activation of Bootloader functionality e Restarts RaspberryPi without resetting UPiS RTC e File Safe RspberryPi Shutdown Procedure e LIGHT when charger is working and battery is charged e DARK when charger is not working o Battery is fully charged o Battery charger is switched OFF by the integrated microcontroller e FAST BLINKING o Battery is not connected o Battery is fault LED BAT GREEN e LIGHT when Boost Switching Conv
75. zi Save to a known location on your PC and unzip it to a folder i e c UPiS Unzipping of this file will generate i UPiS V1 00 hex ii UPiS V1 00 recent changes txt 5 Any Terminal program running on the PC i e TearTerm HyperTerminal or any other It must be set to 38400 8N2 to make it connection with the UPiS O Pi Modules Intelligent Modules for your RaspberryPie Uninterruptible Power intelligent Supply User Manual Version 1 01 Print Date 01 11 2013 6 The UPiS module itself The UPiS BL exe need to be call from the COMMAND PROMPT with the following parameters UPiS BL PORT COMX BAUD 38400 UPiS V1 00 hex Where PORT COM X is the Virtual Com Port which has been recognized by the Windows OS when UPiS is connected to the PC USB Port i e COM1 COM2 etc BAUD 38400 is the data rate in which UPiS communicate with the system Do not change it UPiS V1 00 hex is the latest firmware update file However because calling of this software need to be done from the COMMAND PROMPT it can cause some troubles for none experienced users There is another way to use of it probably simpler than the first one This is by running the UPiS Bootloader bat It can be done from the graphic environment just by clicking it However before do it must be edited with a notepad and adopted parameters about the COM port and probably the HEX file After downloading and adopting the software the next step is to upload the latest firmwar

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