USB Starter Kit AMS 5915 User Guide USB Starter Kit AMS 5915
Contents
1. allocated its own individual I2C address INITIAL OPERATION The following steps are necessary for the starter kit initial operation 1 Installation of the Software CS5915 see section software 2 Assembly starter kit First the adapter board BB5915 for AMS 5915 sensor and the communication board CB 2C are connected together by the 34 pin connector Then the AMS 5915 sensor has to be mounted into the ZIF socket on BB5915 orientation of pin 1 see Figure 1 The sensor supply voltage has to be set to 3 3 V with JP1 on the communication board CB 2C for standard AMS 5915 pressure sensors 3 Connect the starter kit to a free USB port at the PC by an USB cable 4 The green LED on the communication board flashes up when the board is detected by the PC and the drivers are loaded successfully see Figure 1 If the green LED remains dark the user has to look in the device manager for a new device called USB Serial Converter in the device group USB Controller If this doesn t exist the user has to disconnect the starter kit from the PC by removing the USB cable At a reconnection the device USB Serial Converter should appear If not the problem could be solved by manually executing the file Treiber_Setup exe in the program folder of the AMS 5915 Software e g C program files AMS 5915 If the led remains still dark and the starter kit wasn t found contact Analog Microelectronics for further support i analog2. Communication Check Measurement Continuous Sensor I2C Loop Address hex fz Time 500 ms Physical Values Digital Values Pressure 0 4479 f mbar 2812 Log Values Temperature 26 6 C 784 Figure 6 View on area Measurement With the buttons Continuous Measurement and Single Shot on the left side a continuous or a single measurement can be started In case of a continuous measurement the time interval between the discrete measurements can be selected by the drop down menu Loop Time on the right side The continuous measurement can be stopped by pushing the button Continuous Measurement again In general 4 data bytes are read from the sensors output register and converted to decimal values in pairs the first and second data bytes generate the decimal pressure and the third and fourth the decimal temperature value The current readout pressure and temperature data are displayed as digital decimal values and also as values in physical units The latter are calculated with the formula described in the data sheet of AMS 5915 sensor series The physical pressure unit can be selected by a drop down menu at the right side of the displayed pressure For a single measurement Single Shot the current measurement data available at the AMS 5915 output register is one time read and continuously displayed In case of the continuous measurement the measurement data is repeatedly read out and displayed B
3. Search Sensor Address i Slave corresponds at 11 hex Figure 3 Submenu Communication Check Left A connection to the starter kit was established Right A sensor with the address 11 hex was found After a successful initialisation of the connected starter kit the remaining submenus will be enabled Note If no starter kit was found after pushing the button Search Starter Kit please follow the tips given in section nitial Operation paragraph 4 In case of the error message No slave was found is displayed after pushing the button Search Sensor please check the following the connection of the two PCBs the position of JP1 the position of the AMS 5915 in the ZIF socket and the locking of the ZIF socket Submenu Measurement The submenu Measurement is divided in a configuration and a measurement part see Figure 4 In the configuration part the correct AMS 5915 sensor type mounted onto or connected to the starter kit has to be chosen by a drop down menu In the measurement part the read out measurement values for pressure and temperature are displayed in digital units and in calculated physical units DE OO ON i analog microelectronics www analogmicro de i O May 2012 Rev 1 0 Page 6 10 USB Starter Kit AMS 5915 Selection of Sensor Type and Pressure Range Measurement Configuration and Display of Measurands Figure 4 View of the submenu Measurement The submenu is divided in a con
4. microelectronics www analogmicro de ie O May 2012 Rev 1 0 Page 9 10 USB Starter Kit AMS 5915 IMPORTANT NOTES 1 For changing an AMS 5915 pressure sensor while the communication board is connected to the PC we recommend to remove the jumper JP1 It prevents sensor damage 2 If the sensor is supplied externally the jumper JP1 has to be removed and the external power supply has to be connected to pin VCC at the 4 pin plug connector However in this operation mode a change of the sensor 12C address is impossible 3 The communication Board CB 2C can be used for read out pressure sensors of the series AMS 5105 and AMS 5812 too For starting up only the corresponding adapter boards BB5105 respectively BB5812 and the according software CS5105 respectively CS5812 are necessary ADDITIONAL EQUIPMENT e USB cable 2 0 FullSpeed A St to B St ADDITIONAL DOCUMENTS e Data Sheet of AMS 5915 Pressure Sensor Series Analog Microelectronics GmbH reserves the right to amend any dimensions technical data or other information contained herein without prior notification EE i analog microelectronics www analogmicro de a me May 2012 Rev 1 0 Page 10 10
5. USB Starter Kit AMS 5915 User Guide USB Starter Kit AMS 5915 HHRRED MEKKE PPR T mee f PT were Hokie 1 PRE REEL EE es Phone 49 0 6131 91 0730 0 analog microelectronics Fax 49 0 6131 91 073 30 aa ED Internet www analogmicro de E Mail info analogmicro de Analog Microelectronics GmbH An der Fahrt 13 D 55124 Mainz May 2012 Rev 1 0 USB Starter Kit AMS 5915 CONTENTS INTRODUCTION 3 HARDWARE 3 SOFTWARE CS5915 5 Installation 5 CS5915 user interface 5 INITIAL OPERATION 9 IMPORTANT NOTES 10 ADDITIONAL EQUIPMENT 10 ADDITIONAL DOCUMENTS 10 EE i analog microelectronics www analogmicro de ie May 2012 Rev 1 0 Page 2 10 USB Starter Kit AMS 5915 INTRODUCTION The USB Starter Kit AMS 5915 is designed for quick and easy initial operation of AMS 5915 pressure sensors with a standard PC with Windows operating system Without additional components the kit enables current digital pressure and temperature values to be read out via the I2C sensor interface and to be displayed on the PC In addition the starter kit can be used to program an individual I2C address into each AMS 5915 pressure sensor This customized I2C address is prerequisite for the operation of several AMS 5915 pressure sensors together on one I2C bus The starter kit consists of two printed circuit boards and the relevant communication software package C55915 distributed on the starter kit CD A Windows PC w
6. en CB 2C and BB5915 is realised by a 34 pin connector A zero injection force ZIF socket on the BB5915 allows easy mounting and exchanging of an AMS 5915 pressure sensor Pin 1 of the sensor is at the upper left edge of the ZIF Socket see Figure 1 The sensor voltage can be chosen between 3 3V and 5V by jumper JP1 on CB 2C see Figure 1 for standard products of the AMS 5915 series JP1 is connected to 3 3V Further for exchanging the mounted AMS 5915 the sensor voltage supply can be turned off by removing JP1 At the 4 pin plug connector on the BB5915 the sensor voltage supply VCC GND and the I2C bus lines are connected This plug can be used for monitoring the sensor supply voltage and further for connecting and testing sensors which are already assembled For safety in cause of failure an electrical isolation between the sensor and the PC was realised on the CB IC This avoids effectively an energy flow into the connected PC Table 1 Configuration of Jumper JP1 on CB I2C Sensor voltage Jumper position JP1 internal 3 3 V central pin together with pin 3 3V internal 5 V central pin together with pin 5V external supply removed turned off removed Important 1 If an AMS 5915 sensor is connected to the 4 pin plug connector on the BB5915 the sensor has to be supplied by the starter kit to provide the full functionality of the starter kit software 2 If it isn t possible to supply the sensor by the star
7. figuration area top and a measurement area where the measured values are displayed bottom Configuration area With the drop down menu Sensor Type the exact AMS 5915 sensor type connected to the starter kit has to be selected with its exact ordering code e g AMS 5915 0005 D see Figure 5 left For the selected type the sensor pressure range is shown below In case of a custom specific version or a sensor which is not in the menu the sensor type customised has to be selected In that case the specified minimal and maximal pressure values Pmin and Pmax have to be filled into the adequate fields below as shown in Figure 5 right Figure 5 Selection of the used AMS 5915 sensor type Left A sensor type AMS 5915 0005 D with a measuring range of 0 5 mbar was selected Right A customised sensor with a manually adjusted pressure range from 200 mbar up to 400 mbar was selected NB If the wrong sensor type is selected sensor measurement data cannot be accurately evaluated and the displayed pressure value in physical units is wrong ee i analog microelectronics www analogmicro de an ee May 2012 Rev 1 0 Page 7 10 USB Starter Kit AMS 5915 Measurement area The measurement area is shown in Figure 6 Before starting a measurement the I2C address of the connected sensor has to be filled in the field Sensor I2C Address hex This field displays by default the value detected during the last scan in submenu
8. ith an USB port and with operating system XP SP3 or above is required for operation The kit will be supplied by the USB port an external supply isn t necessary NB We recommend that you read the AMS 5915 sensor datasheet before putting the starter kit into operation Hardware The starter kit hardware consists of two printed circuit boards the communication board CB 2C and the adapter board BB5915 with a ZIF socket to connect one AMS 5915 sensor Figure 1 shows the assembled kit with mounted sensor USB Connector Plug Connector Communication Board Adapter Board Figure 1 USB Starter Kit AMS 5915 with connected sensor The kit consists of a communication board CB I2C and an adapter board BB5915 connected by a 34 pin connector EEG analog microelectronics www analogmicro de Fs May 2012 Rev 1 0 Page 3 10 USB Starter Kit AMS 5915 The CB I2C printing circuit board provides the hardware which enables a PC with USB 2 0 port to communi cate with a pressure sensor with 12C interface The BB5915 printed circuit board provides an easy way to connect an AMS 5915 pressure sensor with the CB 2C Both printed circuit boards are connected by a 34 pin connector Using a standard USB cable the USB jack on the CB 2C is connected to a free USB port at the PC The PCs USB port is used for communication and for power supply of the starter kit and the connected pressure sensor an additional supply isn t required The connection betwe
9. nus Communication Check Measurement und Change I2C Address which are designed as index sheets They will be described in detail below a analog microelectronics Pe NE id Communication Check Measurement Change I2C Address Search Starter Kit Search Sensor Address Figure 2 CS5915 user interface GE OO ON i analog microelectronics www analogmicro de i O May 2012 Rev 1 0 Page 5 10 USB Starter Kit AMS 5915 Submenu Communication Check The submenu Communication Check is to establish and to test the connection between the PC and the AMS 5915 pressure sensor mounted onto the starter kit By pushing the button Search Starter Kit see Figure 3 left the link connection between the PC and the starter kit will be initiated If it s successful message Found Starter Kit the starter kit will be ready to use Now a connection to the AMS 5915 pressure sensor mounted onto the starter kit can be established By pushing the button Search Sensor Address the software searches for an AMS 5915 sensor with a valid I2C address A message follows whether a corresponding sensor was found or not Figure 3 right shows an example of a sensor with the I2C address 1 hex Communication Check Measurement Change I2C Address Communication Check Measurement Change I2C Address Search Starter Kit j ound Starter Kit Search Starter Kit i Found Starter Kit Search Sensor Address
10. ter kit the jumper JP1 on the CB 2C has to be removed and the external power supply has to be connected to VCC pin at the 4 pin plug connector on the BB5915 In this case a change of the I2C address isn t possible 3 If JP1 isn t removed in case of an external sensor power supply at pin VCC the starter kit can be damaged i analog microelectronics www analogmicro de ie O May 2012 Rev 1 0 Page 4 10 USB Starter Kit AMS 5915 Software CS5915 The communication between the PC and the AMS 5915 pressure sensor mounted onto the starter kit is realised by means of the software package CS5915 This software is provided on the starter kit CD and runs under Windows operating systems XP SP3 or above Installation Before installation of the software package CS5915 please disconnect starter kit By executing the file CS5915 Setup exe on the CD ROM must be run as an administrator an installer is started which guides through the installation process After the installation process is finished the necessary files for operating the starter kit are copied to the target directory and the needed drivers are installed too The starter kit is now ready to use and can be connected to the PC CS5915 user interface The software CS5915 is run via the AMS 5915 icon in the program group AMS 5915 in the folder programs in the windows start menu The user interface menu is shown in Figure 2 The menu is divided in three subme
11. y pushing the button Log Values at the left lower edge the readout digital values can be saved in a file At the first time values have to be written a windows dialog appears to assign the file name and the folder to save in The file includes only the digital values Submenu Change I2C Address In the submenu Change 12C Address see Figure 7 an individual I2C address can be programmed into the connected AMS 5915 pressure sensor The box Current I2C Address displays by default the hex address value detected during the last scan in submenu Communication Check which is the current I2C address of the connected sensor The new 12C address between OOnex and 7Fhex has to be written in the box New I2C Address as a hexadecimal value By pushing the button Change I2C Address the new I2C address will be programmed to the AMS 5915 EEPROM Subsequent the new I2C address will be checked by changing to submenu Communication Check and run a sensor search The result will be displayed Dae i analog microelectronics www analogmicro de ie O May 2012 Rev 1 0 Page 8 10 USB Starter Kit AMS 5915 Communication Check Measurement Change I2C Address Current 12C ot New 2C gt Address hex a Address hex Change I2C Address Figure 7 Submenu Change I2C Address for changing the I2C sensor address NB If several AMS 5915 sensors are to be operated together on one I2C bus each sensor must first be
Download Pdf Manuals
Related Search