Evaluates: MAX31856 MAX31856 Evaluation System General Description Features The MAX31856 evaluation system (EV system) provides Easy Evaluation of the MAX31856 the hardware and software necessary to evaluate the Includes K-Type Thermocouple MAX31856 thermocouple-to-digital converter. USB Power and Interface with USB2PMB1 Board The EV system includes the MAX31856PMB1 peripheral TM Windows XP , Windows 7, Windows module with a Pmod -compatible connector for SPI com- 8.1-Compatible Software munication. The system also includes the USB2PMB1 12-Pin Pmod-Compatible Connector (SPI) adapter board for communication with the software and a K-type thermocouple for temperature sensing. Other ther- Fully Assembled and Tested mocouple types (J, N, R, S, T, E, and B) can be evaluated Proven PCB Layout with a user-supplied thermocouple. RoHS Compliant EV System Contents MAX31856PMB1 including the MAX31856 MAX31856 EV Kit Files USB2PMB1 Adapter Board FILE DESCRIPTION Mini-USB Cable MAX31856EVSystemSetup.EXE Application Program K-Type Thermocouple Note: The EXE is downloaded as a .ZIP file. MAX31856 EV System Photo Pmod is a trademark of Digilent Inc. Windows and Windows XP are registered trademarks and reg- Ordering Information appears at end of data sheet. istered service marks of Microsoft Corporation. 19-7524 Rev 0 2/15Evaluates: MAX31856 MAX31856 Evaluation System Quick Start Detailed Description of Software Required Equipment Software Startup MAX31856PMB1 peripheral module When the software starts, it searches for a USB2PMB1 and connects to the first one found, then displays USB2PMB1 adapter board USB2PMB1 Hardware Connected in the bottom right- Mini-USB cable hand corner. If hardware is not found, the software K-Type thermocouple displays USB2PMB1 not Detected and starts in offline mode. Screw driver Windows XP, Windows 7, or Windows 8.1 PC with a Offline Mode spare USB port Offline mode is entered when the software is started with- out hardware connected. In this mode, the Configuration Note: In the following sections, software-related items are tab allows the user to read/write to registers in a virtual identified by bolding. Text in bold refers to items directly device. These register values can be saved in a configu- from the EV system software. Text in bold and underline ration file that can be loaded at a later time. See the Save/ refers to items from the Windows operating system. Load Configuration section for more details. To exit offline Procedure mode, connect the hardware to the PC and then search Follow the steps below to get started measuring tempera- and connect to the hardware using the Device menu. See ture with a K-type thermocouple: the Connect To Hardware section for details. 1) Visit www.maximintegrated.com/evkitsoftware to Save/Load Configuration download the latest version of the EV system soft- In the File menu, there are options to save or load a ware, MAX31856EVSystemSetup.ZIP. configuration file. Save Config As.. and Save Config 2) Save the EV system software to a temporary folder. read the registers from the connected MAX31856 and Unzip the .ZIP file and double-click the .EXE file to run saves these values to an XML file. If the software is in the installer. A message box asking Do you want to offline mode, then the current register values displayed allow the following program to make changes to on the Configuration tab are saved to the XML file. Load this computer may appear. If so, click Yes. Config gets register values from an XML file and writes 3) The installer includes the drivers for the hardware and them to the MAX31856 if connected. In offline mode, the software. Follow the instructions on the installer and register values in the XML are saved to the virtual device once complete, click Finish. The default location of and displayed in the software. the software is in the program files directory. 4) Connect the K-type thermocouple to J1 of the Connect To Hardware MAX31856PMB1 with the yellow wire on the plus The Device menu has options to search and connect to side. the hardware. Use the Search for USB2PMB1 option to 5) Connect the MAX31856PMB1 Pmod connector H1 to search for the USB2PMB1 modules connected to the PC. the connector on USB2PMB1. If modules are found, the serial numbers of the modules 6) Connect the USB2PMB1 to the PC with the Mini-USB are listed in the USB2PMB1s menu item. Select the serial cable. Windows should automatically recognize the number in the USB2PMB1s list to connect the software device and display a message near the System Icon to communicate with that module. The software can only menu indicating that the hardware is ready to use. communicate to one module at a time. Selecting another 7) Once the hardware is ready to use, launch the soft- serial number in the list disconnects the current module ware. The status bar in the GUI should display and then connects the newly selected module. USB2PMB1 Hardware Connected in the bottom right-hand corner. Go to the Configuration tab to select the desired configuration and then check the Auto Convert checkbox. 8) Go back to the Status tab and click Read Once or Auto Polling to read the temperatures. Maxim Integrated 2 www.maximintegrated.com