Copyright Cirrus Logic, Inc. 2012(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCRD5490-ZCRD5490-Z Power MonitorFeatures• Easy-to-use P
CRD5490-Z10 DS988RD13.3.1 Connection TabThe Connection tab displays the USB communication with CRD5490-Z board. At startup, the GUI attempts toestabli
CRD5490-ZDS988RD1 113.3.2 Quick Measurements TabThe Quick Measurements tab displays reported power data from the CS5490 device in real time as continu
CRD5490-Z12 DS988RD1The Connection, Graphics, and Quick Measurements tabs may be viewed with the conversions running, but thecontinuous conversions sh
CRD5490-ZDS988RD1 13The charts’ scales will automatically adjust for the data captured. To zoom in on a portion of a chart, click in the chartand drag
CRD5490-Z14 DS988RD13.3.4 Data Table TabThe Data Table tab displays the CS5490 power information in a table. Stop conversions before viewing the DataT
CRD5490-ZDS988RD1 153.3.5 Calibration TabThe Calibration tab is used to write and display to the CS5490 offset and gain calibration registers. The bui
CRD5490-Z16 DS988RD13.3.5.1 AC Offset / Gain RegisterIn the AC Offset and Gain fields, the AC offset and gain registers for all channels are displayed
CRD5490-ZDS988RD1 174. Confirm that the initial conditions are configured as shown in Figure 17:5. Click the Quick Measurements tab to bring it forwar
CRD5490-Z18 DS988RD18. Record the reference meter measurements after the setup has settled and before calibration is executed. SeeFigure 18.9. Click t
CRD5490-ZDS988RD1 19If the calibration conditions (voltage and current) match the reference meter readings, click the Yes button.11. The gain register
CRD5490-Z2 DS988RD1Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one
CRD5490-Z20 DS988RD1AC Offset CalibrationsFor AC offset calibration, the CRD5490-Z software clears the offset register before calibration begins. The
CRD5490-ZDS988RD1 218.Confirm the load has been removed or turned off, and then click Yes from the CONFIRM LOAD window shown inFigure 23.9. The offset
CRD5490-Z22 DS988RD110. To confirm results, click the Quick Measurements tab to bring it forward, and click the START button.Results should show a red
CRD5490-ZDS988RD1 233.3.6 Register Write/Read TabThe Register Write/Read tab allows access to the CS5490 registers directly. See Figure 26.There are t
CRD5490-Z24 DS988RD14. REVISION HISTORYRevision Date ChangesRD1 APR 2012 Initial Release.
CRD5490-ZDS988RD1 25APPENDIX 1: CRD5490 GUI REMOVALFollow the steps below to remove the CS5490 GUI software:1. From the Start menu, click Control Pane
CRD5490-Z26 DS988RD1APPENDIX 2: CDC DRIVER INSTALLATIONThis Appendix includes the procedures for installing the CDC driver for both Windows 7 and Wind
CRD5490-ZDS988RD1 275. Click the Properties button6. Click the General tab to bring it forward, and click the Change Settings button.Figure 30. CDC R
CRD5490-Z28 DS988RD17. Click the Update Driver button.The Update Driver Software CDC RS-232 Emulation Demo panel is displayed.8. Click Browse my compu
CRD5490-ZDS988RD1 2910. Follow the installation instructions. If warnings are displayed, select to continue anyway.11. Right-click the device. A pop-u
CRD5490-ZDS988RD1 31. CHARACTERISTICS AND SPECIFICATIONS1.1 Recommended Operating Conditions1.2 Electrical CharacteristicsParameter Symbol Min Typ Ma
CRD5490-Z30 DS988RD112. Click Properties. The Communications Port (COM3) Properties window is displayed.The next time this device is used, it will be
CRD5490-ZDS988RD1 312. Locate the driver information file provided with the software installation and browse to the driver file:\ inf \ win2K_winxp \
CRD5490-Z32 DS988RD15. When the installation is complete, click the Finish button.The next time this device is used on the computer, it will be recogn
CRD5490-ZDS988RD1 33APPENDIX 3: NON-FULL SCALE GAIN CALIBRATIONWhen resources are limited, it may be necessary to provide non-full-scale amplitudes an
CRD5490-Z34 DS988RD1Current Scale RegisterTo perform calibration with less than full scale load without using the above procedure, it is possible to s
CRD5490-ZDS988RD1 354. SCHEMATIC
CRD5490-Z36 DS988RD15. BILL OF MATERIALSBOM#: 505-00554-Z1 Rev: A2 BOM Desc: PWA CRD5490-Z-NPb Date Generated: 03/21/2012Line I
CRD5490-ZDS988RD1 37BOM#: 505-00554-Z1 Rev: A2 BOM Desc: PWA CRD5490-Z-NPb Date Generated: 03/21/2012Line ItemPart AssCirrus PN
CRD5490-Z38 DS988RD16. LAYOUTFigure 43. Top Routing
CRD5490-ZDS988RD1 39Figure 44. Bottom Routing
CRD5490-Z4 DS988RD12. HARDWARE OVERVIEWThe CRD5490-Z includes sensors (line voltage and current shunt), a power supply, a CS5490 power monitor calcula
CRD5490-Z40 DS988RD1Figure 45. Silkscreen
CRD5490-ZDS988RD1 52.1 Line Voltage SensorThe high-voltage AC line is attenuated using a voltage divider sensor comprised of five 1206 resistors befor
CRD5490-Z6 DS988RD12.3 Power SupplyThe CRD5490-Z contains two separate power supply domains: isolated +5V USB supply and +3.3V non-isolatedCS5490 powe
CRD5490-ZDS988RD1 73. SOFTWARE OVERVIEWThe evaluation board comes with software and a USB cable to link the evaluation board to the PC. The evaluation
CRD5490-Z8 DS988RD1The application will verify system requirements. The Application Install - Security Warning window is displayed.12. Click the Insta
CRD5490-ZDS988RD1 93.2 Using the SoftwareBefore launching the software, ensure that all of the cables connected to the CRD5490-Z are installed (as des
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