78M6612 Split Phase Evaluation Board User Manual
Contents
1. p O O CT2 Neutral Figure 1 Split Phase Energy Measurement Configuration Rev 1 1 7 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 2 1 Basic Connection Setup Figure 1 and 2 show the basic connections of the 78M6612 Split Phase Evaluation Board for use with external equipment The 78M6612 Split Phase Evaluation Board is powered either by an on board ACDC switcher or from an external 12VDC power supply A USB cable provides the communications link between the host PC and the 78M6612 Split Phase Evaluation Board The high voltage AC source and load wires connect to spades mounted on the bottom side of the board T4 c INE 1CT LINE2 OUT Je ACDC TCLK ERST GND Switcher ICEEN 78M6612 ios Split Phase External 12VDC r23E7 Fault Evaluation oe nain LED4 i Ex ee USB cu 7 dw INS E Connector paga ips C TERIDIAN DebugUART U2 R2607 Active y SEMICONDUCTOR CORP X pa 4 mu R310 OMUSPEBV1 S N TA i USB PORT Figure 2 Top Side 78M6612 Split Phase Evaluation Board Connections Install jumper J2 when using the on board ACDC switcher The switcher draws power from one of the AC inlet phase wires Remove jumper J2 when attaching an external 12VDC power supply to disconnect the switcher from the AC inlet The board draws less then 100ma from the external 12VDC supply Use an external 12VDC power supply which is fully isolated Rev 1 1 UM 6612 044 78M2. 5 24 2011 these command descriptions have been moved to the 6612 SPL 52 3 URT V1 14 Split Phase Firmware Description Document 30 Rev 1 1 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information Maxim Integrated 78M6612SP EVM 1
3. between the evaluation board and the external controller hardware a Q Installed 5 J8M amp 612 UART Split Phase 7 Isolator i Evaluation a M Daughter Card 9 AS 2s Short cable harness to external controller Da i BU Teridian TX gt yL UARTISOVI py BK SND C7 2199 01 To ExtCom TERI DIA SEMICONDUCTOA CORP OMUSPEBV1 S N Figure 6 UART Isolator Daughter Card Rev 1 1 11 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Table 3 J12 UART Connector Pin Assignments 3 3V to daughter card J12 Pin Number Identifier 78M6612 TXD output 78M6612 RXD input GND to daughter card The UART Isolator daughter card maintains the same pin functions on its connector interface to the external controller The UART isolator board is not required when using a wireless module However use of an antenna with an exposed metal mounting base presents a safety hazard The other consideration regarding use of a wireless module is the module s transmitting power consumption The on board switcher can provide only 100mA at 3 3V Use an external power supply if the transmitter s power is greater than 100mA 12 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 2 4 USB Driver Installation This evaluation kit includes an isolated USB interface for serial communications with a PC The FTDI USB controller IC FT232R performs the USB functions The FTDI Wind
4. gt T Cs turn off all relays The Split Phase firmware also includes built in calibration routines Using the precision source method a known external voltage source ambient temperature and current source load is provided to the evaluation board during calibration by Teridian The routine automatically adjusts coefficients until measured values match known target values and saves them to flash memory It is recommended the user read back and record these calibration coefficients This will allow the user to re store the calibration settings should the firmware for the evaluation board be updated in the future There are four calibration coefficients one for each voltage input and one for each current input These four coefficients are read back using the 8 command 1877 7 7 11290 11294 16542 16544 gt Rev 1 1 17 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 4 Windows Graphical User Interface GUI The 78M6612 Split Phase GUI displays RMS voltage and current power volt amperes and power factor for two independent phases as well as totals for these parameters A true RMS line to line voltage is also shown Indicators are provided for the various alarms The 78M6612 Split Phase GUI is a National Instruments CVI application program Click on the GUI setup exe file provided on the CD to start the self installer 4 1 Installing the GUI After clicking on setup exe select the installation directories an
5. 1 NC 0603 SEGIZ a603 SEG13 GND SEG14 SEG15 a SEG16 SEG17 SEG18 SEG29 D109 SEG30 DIO10 SEG31 DIO11 SEG34 DIO14 SEG35 DIO15 SEG36 DIO16 SEG37 DIO17 SEG19 DIO19 SEG40 D1020 SEG41 D1021 VBAT C18 0 1uF 0603 GND V3P3SYS ICE inputs become LCD seg drivers when ICEE low RXTX 2 COMO COM1 COM2 COM3 ICEEN c 381 cg E C20 R32 1000pF 330 0603 0603 GND GND SEG28 D108 V3P3 O SEG24 DIO4 SEG25 DIO5 1 2 CKTST GND 9 CKTEST SEG19 TMUXOUT SEG26 DIO6 UTX 6 GND Ww m hA SEG27 DIO7 0603 0603 lt 0603 C27 0 1uF V3P3 GND O 0603 bd C OPT TX DIO2 GND OPT RX DIO1 USB3V DIO2 1 DIO1 F U1B o USB5V T 19 VCCIO 30 USBRX 3 78M6612 68QFP 1 vec x VIB VOB 5 QFN68 GND USBDM 45 ND1 G2 GND VW USBDP USBDM S7 5 USBDP U3 C25 ADUM3201 6 io ADUM3201 N e ADUM3201ARZ ND NC3 J22 USB B NC4 NC5 USBBV NC6 MS 806 KUSBVX BSIN W OSCI 1 5M A B White Cable Osco Mouser 571 1487588 2 3V3OUT FTe32QF N32 C26 MS 895 F T232RQ 0 1uF 0603 USBGND U2 internal 3 3V LDO can source upto 50ma 18 19 20 11 12 25 26 27 28 29 30 31 32 33 34 35 36 37 24 n 47 DIO20 68 DIO21 14 nH 15 n 16 17 n 43 DIO8 39 DIO4 40 DIO5 5 DIO3 41 DIO6 42 RELAY1 65 GND KH 78M6612 Split Phase Evaluation Board User Manual J10 SM Bus OneNet PacketPower VEPS Pins O DIO1 no connect CE CSN DIO2 no connect SLE TRXCE DIO3 no connect SDATA PWRUP R23 R24 R25 R2
6. 19 5642 Rev 1 1 5 11 7 SEMICONDUCTOR CORP A Maxim Integrated Products Brand 78M6612 Split Phase Evaluation Board User Manual May 24 2011 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product No circuit patent licenses are implied Maxim reserves the right to change the circuitry and specifications without notice at any time Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 2011 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products UM 6612 044 78M6612 Split Phase Evaluation Board User Manual Table of Contents 1 ude 0 20 0 PRE EE PPP 5 1 1 PENE 5 t2 OSEN REGUM ET Basse 5 Lo SAA TESDNES sr 6 1 4 Firmware Demo Code Introduction 6 1 5 Testing the 78M6612 Split Phase Evaluation Board Prior to Shipping 6 AME cited 7 2 1 BASIC COMECON SETUP Naan nna 8 22 RGT AA AA 10 2 9 Optional JART Interiaee Heer 11 24 USB Driver InStalalion sise ts me LR Men ennemie 13 2 5 Confirm COM Port Mapping ccccccccsecceseeeeseeeeseeeeseceseeeeseeceseeeeseueeseueeseueeseueeseeeeseeeeaaees 14 2 6 Verily Serial Connection to the PO ae ne ee eke keke ed 15 WEE CI uci NE ITEM 17 4 Windows Graphical User Interface GUl annnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnennnn
7. 6 DIO4 SMBRXD SREAD MISO NC NC NC NC DIO5 SMBCLOCK SCLK SCK 0603 0603 0603 0603 DIO8 SMBTXLOB INT DR DIO9 SMBCKHDB DATAIO MOSI PMAO DIO10 SMBALTRB DATACLK CD DIO11 no connect GND TXEN aan DIO20 no connect GND no connect aay DIO20 R28 R29 R30 R31 NC NC NC NC 0603 0603 0603 0603 GND EXPCONN DIP100P18 V3P3 FAULT ACTIVE LED3 LEDS RED YELLOW LED100 LED100 MS 606 4300H1LC MS 606 4300H5LC MS 606 4300H7LC R33 R34 R35 470 470 470 0603 0603 0603 RELAY PULSE OUTPUT ka wn Wh SIP100P2 O V3P3 gt gt RELAY1 Figure 9 78M6612 Split Phase Evaluation Board Electrical Schematic 2 of 2 Rev 1 1 25 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 5 2 78M6612 Split Phase Evaluation Board Bill of Materials Table 5 78M6612 Split Phase Evaluation Board Bill of Materials Digi Key Mouser COR cre AA YES pori 1000pF RC0603 445 1298 1 ND C1608X7R2A102K ET mm C1 C13 C18 YES 2 C21 C22 C26 0 1uF RC0603 445 1314 1 ND C1608X7R1H104K TDK C27 C29 C30 C2 C15 10uF 25V RC1812 478 1762 1 ND TPSC106K025R0500 C7 C8 27pF RC0603 445 1274 1 ND C1608C0G1H270J 5 1 C28 0 015uF RC0608 80 00603C153K3R CO603C153K3RACTU YES KEMET 1 614 tw RCO60 4451416 1 ND C1608X5R1C105K YES TDK 5VEXT RAPC YES Sullins Connector J12 TP1 HEADER 4 4X1PIN S1011E 36 ND PBC36SAAN e HEADER 6 6X1PIN S1011E 36 ND PBC36SAAN SE aninag HEADER 18 9
8. 6612 Split Phase Evaluation Board User Manual J16 Figure 3 Bottom Side 78M6612 Split Phase Evaluation Board Connections The high voltage AC wires attach to the spades located on the bottom side of the board The following table describes the wiring connections Table 1 High Voltage AC Connections External Circuit Neutral from Source Rev 1 1 9 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 78M6612 SP Eval Board ACDC Switcher 3V3 Reg 12VDC Current U S B Shunt USB UART d Controller Voltage Divider Voltage Divider MAA Y Relay 10x DIOs 12C Split Phase AC Source Neutral Line 1 Line 2 O O i Split Phase AC Load Under Test Figure 4 78M6612 Split Phase Evaluation Board Application Diagram The 78M6612 Split Phase Evaluation Board is preconfigured to measure the Load currents present on Line 1 and Line 2 using two current transformers CT Alternatively the board has provisions the replace the Line 1 CT with a current sensing shunt in series with the Neutral wire Two resistors R18 and R43 provide the sensor selection The following table provides the resistor population options for selecting the CT versus the shunt Table 2 Line 1 versus Neutral Current Sensing Configuration CT Line 1 No Component Install 750Q Shunt Neutral Install 75002 No Component Presently the firmware only supports the CT Line1 configuration 2 2 Re
9. View Help General Computer Name Hardware Advanced eS amp Device Manager g PC461T Y Computer The Device Manager lists all the hardware devices installed a on your computer Use the Device Manager to change the properties of any device Device Manager we Disk drives 3 Display adapters 2 DVD CD ROM drives Floppy disk controllers J Floppy disk drives dg Human Interface Devices IDE ATA ATAPI controllers Se Keyboards 3 Mice and other pointing devices g Monitors BB Network adapters 9 Ports COM amp LPT SB Processors Sound video and game controllers 4 System devices Universal Serial Bus controllers Drivers Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update for drivers Hardware Profiles PAA Ed 4 44 g Hardware profiles provide a way for you to set up and store different hardware configurations Hardware Profiles E e Take note of the COM port assignment for the USB Serial Port H Modems E Monitors rg Metwork adapters H B PCMCIA adapters Ports COM amp LPT ion USB Serial Port COMn ES Processors H Secure Digital host controllers HAS Smart card readers HG Sound video and game controllers fe Nd System devices H Universal Serial Bus controllers EBENEN 14 Rev 1 1 UM_6612 044 2 6 Verify Ser
10. X2PIN S2211E 18 ND PBC18DFAN II ES Sull J2 TP2 HEADER 2 2X1PIN S1011E 36 ND PBC36SAAN s oe USB B 154 2442 E 154 2442 E 0 004 1 2 5W 2512 66 ULR25R004FLFTR ULR25R004FLFTR IRC TT electronics YES R40 R42 4 99 1 RC1210 660 SR732ETTE4R99F SR732ETTE4R99F KOA Speer R33 R34 R35 RCO603 P470GCT ND ERJ 3GEYJ471V 26 Rev 1 1 ES 6 8 ES 1 1 1 1 1 1 2 1 1 2 1 UM_6612 044 78M6612 Split Phase Evaluation Board User Manual Digi Key Mouser CORRE RE ARTE cer 27 1 mo 400k19 RCo603 660 SR72ETTETOROF SR732ETTETOROF YES KOA Speer 20 1 P2253830 0 Cosa POOGCTND ERJ3GEYJooov YES Panasonic olit me 3 Roos P90GOTND ERIIGEVJGGIV YES Panasonic 91 3 RIROSRG7 106 RC0603 PIOKGCTND ERJ3GEYJ1O3V YES Panasonic eli mis ik RC0603 PLOKGTRND ERJSGEVJIOAV YES Panasonic 38 2 CTLCT2 50A 1 1000 CTO20P2A 582 108t ND CR8349 1000N NO CR Magnetics 4 RaR PeATPVSPDT AZ 25514410 AUZIZFI2 YES Panasonic 1 Li 10000H 05A 48008 580481025 4BI02SC YES Murata 1 pi 4A 400V SMB easier SIGEiF EE EN 40 a 42 YES ol ce meme soror senem came ET agi Semiconductor 144 VES 45 U2 FT232 32QFN 895FT232RQ FT232QFN32 YES FTDI _46 1 US ADUM3201 8SOIC ADUMS201ARZ ND ADUMS3201 YES Analog Devices Tali un ze som 78M682M YES Teri
11. aluation Board PCB Top View 28 Figure 12 78M6612 Split Phase Evaluation Board PCB Bottom View 28 Table Table 1 FHiah Voltage AG CONN GONG aan MAGNA aaa 9 Table 2 Line 1 versus Neutral Current Sensing Configuration 10 Table 3 J12 UART Connector Pin Assignments iii 12 Table 4 COM Port Setup Pararielete scesescucis GINANG Id RAUM doo dau r d ten T a YF S PEU PEU SIS 15 Table 5 CL Reset Command S 44 17 Fable6 GEEl Relay CON MANO Sa Maa GANA mmm 17 Table 7 CLI Measurement Results Registers Vs 17 Table 8 Gil INDU REGIS TONS oom 17 Table GUL Status RENSES va 17 Table 10 78M6612 Split Phase Evaluation Board Bill of Materials 26 4 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 1 Introduction The Teridian Semiconductor Corporation TSC 78M6612 Split Phase Evaluation Board is an electrical measurement unit for performing measurements from a single electrical outlet It incorporates the TSC 78M6612 power and energy measurement IC The 78M6612 Split Phase Evaluation Board is connected to a PC through a USB cable such as one provided in the demo kit package Optionally the 78M6612 UART TX amp RX signals can be accessed via a header for communicating with an external controller or wireless communications module The Evaluation Board demonstrates the capability of the 78M6612 energy meter controller chip for measurement accuracy and overall system use The board is pre programmed with Split Phase Demo Fir
12. ble Com Port between 1 and 4 Advanced Settings for COM18 COM Port Number LISB Transfer Sizes Select lower settings to carre COME Defaults Select higher settings Far Fas COME Receive Bytes Transmit Bytes BM Options Miscellaneous Options Select lower settings to corrg OM15 COMIE Serial Enumerator Serial Print Latency Timer msec erlal Printer Cancel IF Power OFF Timeouts Event On Surprise Removal E l CoM23 Minimum Read Timeout mse1 m34 Set RTS On Close COMES E Disable Modem Ctrl At Startup Click OK on the various screens to accept this Com Port assignment change 4 3 Starting the GUI Start the 78M6612 Split Phase GUI by clicking on the GUI s eval exe file via the Start Menu or locate the executable in the target directory selected earlier Command Options SEE Maxim 6612 split phase application Click on Setup to select the Com Port assigned to the FTDI device Command Options Action Setup uit COMI COMz W COMS it phase application COM Select File 22 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual Click on Action to display the Measurement panel MIE Command Options Action Setup Quit Select File Run application Conversion Window Click on the Start and Stop buttons to operate the GUI Measurement Panel Action Setup Quik PHASE 1 Yoltage og 50 75100 150 ra 107 310 Phase 1 Amp
13. d click on Next Destination Directory Select the primary installation directory All software will be installed in the following location s To install software into a different location s click the Browse button and select another directory Target directory for application CA Program Files4eval Target directory for National Instruments software CA Program Files M ational Instruments Confirm the installation and click on Next Start Installation Review the following summary before continuing Adding or Changing Eval Files Click the Next button to begin installation Click the Back button to change the installation settings 18 Rev 1 1 UM 6612 044 Confirm installation completion and click on Finish Installation Complete The installer has finished updating your system 78M6612 Split Phase Evaluation Board User Manual 4 2 Changing the Com Port Assignment The 78M6612 Split Phase GUI only allows for selecting Com Port assignments of COM1 through COM4 If your FTDI device is assigned a higher Com Port number open the Device Manager and navigate to the device s Advanced Settings properties to change the Com port number Click on the Device Manager icon amp Control Panel File Edit View Favorites Tools Help Q T JD 3 pe Search lie Folders HAN address Control Panel Accessibility Add Hardware Options Folder Options veg Control Panel A Je Switch to Category Vie
14. dan pe we uem soc sucram ccp ves mo 49 R1 BP5045A SIP10BP 755 BP5045A BP5045 ROHN Semiconductor Rev 1 1 21 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 5 3 78M6612 Split Phase Evaluation Board PCB Layouts T e LINE2CT a 1 12VDC ET du c a TL Ir 1 He BI Tilt VE ER Nga MEN ttt NN K Shit il Sans co Ll ii 3 a ni NG amp I S CM s dd AA W USB PORT RN EE FET OO ie So bo C J eer MO ONE Figure 10 78M6612 Split Phase Evaluation Board PCB Top View Figure 11 78M6612 Split Phase Evaluation Board PCB Bottom View 28 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 6 Ordering Information Part Description Order Number 78M6612 Split Phase Evaluation Board 78M6612SP EVM 1 7 Included Documentation The following 78M6612 documents are included on the CD 78M6612 Data Sheet 78M6612 Split Phase Evaluation Board User Manual 8 Contact Information For more information about Maxim products or to check the availability of the 78M6612 contact technical support at www maxim ic com support Rev 1 1 29 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Revision History PAGES REVISION DATE DESCRIPTION CHANGED 11 8 2010 Initial release Added Section 2 2 Relay Configuration 10 Deleted Section 3 Command Line Interface CLI 17 27 1 1
15. ial Connection to the PC 78M6612 Split Phase Evaluation Board User Manual After connecting the USB cable from the 78M6612 Split Phase Evaluation Board to the host PC start the HyperTerminal application or another suitable communication program and create a session using the communication parameters show in Table 1 Table 4 COM Port Setup Parameters Setup Parameter 78M6612 Port speed baud 38400 Data bits Stop bits Flow control Xon Xoff HyperTerminal can be found in Windows by selecting Start gt All Programs gt Accessories gt Communications 2HyperTerminal The connection parameters are configured by selecting File gt Properties The New Connection Properties menu appears Connect To Settings a New Connection Country region Area code New Connection Properties Enter the area code without the long distance prefix l Change Icon Select Phone number Connect using COM1 a COM Port Select the appropriate COM port and click Configure The COMn Properties menu appears COM3 Properties Port Settings Bits per second Data bits Parity Stop bits Flow control Xon Xoff Rev 1 1 Restore Defaults 15 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Note that port parameters can only be adjusted when the connection is not active It may be necessary to cl
16. ick the Disconnect Button to disconnect the port Disconnect USBout HyperTe minal Seles File Edit View Caf Transfer Help D joa g A MAX 78M6612 SPL S2 3 URT vil c Sep 81 28018 c 28180 Maxim Integrated Products All Rights Reserved gt Connected 0 00 74 AST yy 384060 amp N 1 FTDI COM Port Trouble Shooting If the FTDI device driver did not install properly there would be no assigned COM port number for the FTDI controller Repeat the USB Driver Installation see Section 2 3 Microsoft Windows may associate a Ball Point device to the FTDI USB controller When this occurs a FTDI device COM port assignment is available via HyperTerminal but there is no communications data Verify if a Ball Point device has been added to the Human Interface Devices via the Device manager Refer to Section 2 4 for access to the Device Manager If a Ball Point device exists delete it and unplug and replug the evaluation board s USB cable 16 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 3 Initialization and Calibration The 78M6613 Split Phase Firmware includes a relay control routine that initializes the relays in the off position Until relays are turned on using the TCO command only voltage line frequency and chip temperature can be measured and reported To globally turn on or off relays with the Split Phase Firmware the following commands should be used gt TCO turn on all relays
17. imp UUDB MS 80 C0603C 153K3R 8 C11 MS 647 UUD1E221MNL 1uF 20V D1 R10 1206P VR2 1A 400V 10 1 2W UCC284 eee J2 u SMB 1210W VR1 a SOIC8 Ale r Weco Tst MS 621 S1GB F MS 660 RK73H2ETTD10ROF BP5045A MS 595 UCC284DP ADJ SIP100P2 SIP10BP MS 755 BP5045A All things referenced to V3P3 for 78M6612 J3 Weco testing requires plug reversal L1 Weco Tst 1 O V3P3 1000uH 0 5A RAPC712 4800S MS 502 RAPC712 MS 580 48102SC Figure 8 78M6612 Split Phase Evaluation Board Electrical Schematic 1 of 2 24 V3P3 C2 10uF 25V 1812 478 1762 1 ND D R1 16 9K 1 0603 C4 R3 100pF 20 0K 1 0603 0603 GND GND 58 m 50 V2P5 C6 NC 0603 GND C7 27pF 0603 64 XOUT Yi x 32 768KHz CM200S C GND 535 9166 1 ND 62 XIN C8 27pF 0603 O V3P3 R9 V3P3 10 0K 1 connected to 0603 C14 NEUTRAL 1uF 0603 R11 C15 17 4K 1 10uF 25V 0603 1812 3 3V below GND Neutral N 12V below Ne DigiKey 478 1762 1 ND 5 12VDC Rev 1 1 UM 6612 044 V3P30 R27 SW1 NC NC EP11 RESET 51 0603 Optional Reset Switch SW1 R56 1K R57 1K C28 1000pF V3P3 O J11 Co IN ICE TCLK 67 E RXTX SEG38 ERST 66 E TCLK SEG33 E RST SEG32 SIP100P6 TT TP1 RTM SIP100P4 4 V3P3 O J12 DEBUG SIP100P4 A jw IN EVQ PJX05M Panasonic C19 sr sZ 3 I URX 48 V3P3 10 49 SEGO SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG1
18. ion before installing this newer FTDI driver Execute the ftdiClean exe utility from the FTDI USB Driver and Utilities subdirectory For FTDI driver support on other operating systems please check FTDI s website at Error Hyperlink reference not valid www ftdichip com FT Drivers htm Rev 1 1 13 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 2 5 Confirm COM Port Mapping e Launch the Control Panel and click on the System icon Control Panel File Edit View Favorites Tools Help Waaa O 3 O Search 1 Folders Ci Address 2 Control Panel va Control Panel A c Ed D aig t5 Q N Accessibility Add Hardware Add or Administrative Automatic Date and Time Display Switch to Category View Options Remov Tools Updates E ge 9 se o See Also Game Folder Options Fonts Intel R GMA Internet Keyboard Mail o Windows Update Controllers Driver Options 9 Help and Support EP B gt f N 5 bh 3 Mouse Network Phone and Power Options Printers and Regional and Scanners and Connections Modem Faxes Language Cameras Scheduled Security SoundMAXx Sounds and Speech Symantec ystem Tasks Center AudioESP Audio Devices LiveUpdate e The System Properties screen appears Click on the Hardware tab Click on Device Manager Under Ports COM amp LPT look for the USB Serial Port assignment System Properties PK Device Manager System Restore Automatic Updates Remote File Action
19. lay Configuration The CLI commands support separate Line 1 and Line 2 relays However the 78M6612 Split Phase Evaluation Board uses DIO7 to control both Line 1 and Line 2 relays so that control of power to both remains in sync 10 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 2 3 Optional UART Interface The 78M6612 Split Phase Evaluation Board provides an option to bypass the on board serial USB controller This option is useful for communicating with an external controller or attachment of a wireless module The optional UART interface is accessible via connector J12 Remove the 00 resistor R38 to prevent TX contention with the on board isolator s output U3 TO eee C ECC S quum ay iy 021 APER ELE 5 ps 1 IK A 7 UART Connector 78M5612 Li ext rizvoc J12 Phase C285 Valuation En Boar USRS VR2 t CAL L gt Hn TP2 NG RIIETEARY C12 WPulse env au t Remove R38 TERIDIAN DebugUART u2 n ma lona SEMICONDUCTOR CORP RISK 3 7 RIFT OMUSPEBV1 ip J22 USB PORT Figure 5 UART Connector Due to the 78M6612 s V3P3 being directly connected to Neutral the Teridian supplied UART isolator must be inserted between the evaluation board and the external controller The V3P3 to Neutral connection results in the 78M6612 s GND pin being 3 3V below the external controllers GND pin Additionally the UART isolator board provides for galvanic isolation
20. mware in the flash memory of the 78M6612 IC which allows evaluation of the IC s capabilities The 78M6612 Split Phase energy measurement data and status is read back using an ASCII text string CLI command set Easy manual operation is performed using HyperTerminal Optionally a Windows based Graphical User Interface GUI is provided for simplified access to the following measurement data and controls e Power current voltage and power factor indicator dials e Line frequency e Alarm indicators e Programmable Alarm thresholds 1 1 Package Contents The 78M6612 Split Phase Evaluation Board Demo Kit includes e 8M6612 Split Phase Evaluation Board e USB Cable Assembly USB A B 28 24 1 8M Tyco Amp 1487588 3 e 12VDC 1A power supply e CD with OMU Software and Documentation 1 2 System Requirements The 78M6612 Split Phase Evaluation Board requires use of a PC with the following features e PC 1 GHz 1 GB with Microsoft Windows XP or Windows 2000 equipped with USB port e Minimum 1024 x 768 video display resolution Windows and Windows XP are registered trademarks of Microsoft Corp Rev 1 1 5 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 1 3 Safety and ESD Notes Mo EXERCISE CAUTION WHEN LIVE AC VOLTAGES ARE PRESENT Standard ESD precautions must be taken when handling electronic equipment The A 78M6612 contains ESD protected interfaces Do not connect test equipment ICE emulators or exter
21. nal development boards directly to the 78M6612 Split Phase hardware Damage to the 78M6612 and external equipment will occur due to the 78M6612 s high side reference topology The 78M6612 s V3P3 i e high side is connected directly to Neutral Earth Ground creating a ground reference disparity with any properly grounded external equipment 1 4 Firmware Demo Code Introduction The Firmware Demo Code provides the following features e Basic energy measurement data such as Watts Volts current VAR VA phase angle power factor accumulated energy frequency date time and various alarm statuses e Control of alarm thresholds calibration coefficients temperature compensation etc The following setup is used to facilitate performance evaluation between the user at the PC host and the firmware code in the board e he Command Line Interface CLI via HyperTerminal or comparable terminal emulator on a different operating system Information about the CLI is presented in Section 3 0 The 78M6612 Split Phase Evaluation Board is shipped with Demo Code Revision 1 14c or later loaded in the 78M6612 chip and included on the CD The code revision can be verified by entering the command gt i via the command line interface Firmware for the Evaluation Board can be updated using either the Teridian TFP2 or an in circuit emulator such as the Signum Systems ADM51 www signum com The board components and firmware settings are designed to operate
22. nnnnnnnnnnnnennnennnennnnr 18 4 1 S are ia EE T ete ence cnt EE 18 4 2 Changing the Com Port Assignment iii 19 2 ABE 1G 0A 0 LA 2 1 1 AA AA tm 22 5 Schematics Bill of Materials and PCB Layouts rrannrrnnnvrnnnvvnnnvrnnnvrnnnvrnnnvnnnvennnvennnnennnuennnuennnner 24 5 1 78M6612 Split Phase Evaluation Board Schematics a 24 5 2 78M6612 Split Phase Evaluation Board Bill of Materials 26 5 3 78M6612 Split Phase Evaluation Board PCB Layouts 28 Ordering INormaloNn NANANA a a a Aes 29 T included DOCUMEN AON et E 29 or Conacthionalion tcs 29 REVISION MISON ense 30 Rev 1 1 3 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Figures Figure 1 Split Phase Energy Measurement Configuration VV 7 Figure 2 Top Side 78M6612 Split Phase Evaluation Board Connections UV 8 Figure 3 Bottom Side 78M6612 Split Phase Evaluation Board Connections 9 Figure 4 78M6612 Split Phase Evaluation Board Application Diagram cccccccseccseeceeeeeeeeeeeeeeeeees 10 Figure 5 VAR TOOME O aS 11 FIgure o DART Isolator Daughter CA d 2 11 Figure 7 Split Phase Calibration Test Setup 17 Figure 8 79M69612 Split Plhase Oll eio ceil eee nana a ma na naa a 23 Figure 9 78M6612 Split Phase Evaluation Board Electrical Schematic 1 of 2 24 Figure 10 78M6612 Split Phase Evaluation Board Electrical Schematic 2 Of 2 25 Figure 11 78M6612 Split Phase Ev
23. orts Then high light and click Properties of the desired USB Serial Port Device Manager File Action View Help mem m sf Computer amp Disk drives E Display adapters 2 DVD CD ROM drives y Human Interface Devices IDE ATA ATAPI controllers cy Keyboards 15 Mice and other pointing devices 5 6 6 6 6 6 6 6 6 5 Monitors B Network adapters Y Ports COM amp LPT F Communications Port COM1 AY ECP Printer Port LPT1 a USB Serial Port COM18 4 USB Serial Port COM4 MB Processors 9 Sound video and game controllers Se Storage volumes System devices Universal Serial Bus controllers 20 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual Click on the Port Settings tab USB Serial Port COM18 Properties Driver Details General Port Settings F USB Serial Part COM18 Device type Ports COM amp LPT Manufacturer FTDI Location on USE Serial Converter Device status This device is working properly IF pou are having problems with this device click Troubleshoot to start the troubleshooter Troubleshoot Device usage Use this device enable v Click on the Advanced button USB Serial Port COM18 Properties General Port Settings Flow control None o o Restore Defaults Rev 1 1 21 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Click on the COM Port Number drop down arrow and select an availa
24. ows driver presents a virtual COM port for enabling serial communications Control of the 78M6612 Split Phase Evaluation Board can be managed using either a terminal emulation program or using the supplied Windows GUI The FTDI Windows driver is a certified driver for Windows 2000 and XP 1 Upon attaching the 78M6612 Split Phase Evaluation Board to the PC the Found New Hardware Wizard automatically launches and installs the appropriate driver files If your PC does not find the FTDI driver files on its local hard disk drive locate and reference the FTDI USB Driver and Utilities subdirectory on the CD The FT232R controller is powered from the USB cable and is active even when no power is applied to the 78M6612 Split Phase Evaluation Board G Teridian OMU1 D File Edit View Favorites Tools Help 72 Bac gt 3 4 Search is Folders EK Files Currently on the CD CD Writing Tasks 3 Write these Files to CD i 5 i lites LabWindows XP Installer FN File and Folder Tasks LabWindows XP Pro VISA Update Teridian Documentation mi Rename this file ay Move this file pe Readme txt D Copy this file CJ Teridian Firmware by 3 Document K Publish this file to the Web C3 E mail this file rana y Teridian OMU GUI v2p1 exe d EEE ad Co S E J KB Other Places E My Computer CJ My Documents amp 4 My Network Places Details Notes If an older FTDI driver has been previously installed it is recommended to remove the older vers
25. s 0 077 Phase 1 Watts 1000 2000 3000 4000 8 200 Phase 1 Yolt Amps 1000 2000 3000 QA I M00 PHASE 2 Yoltage og 50 75100 150 z27 964 Phase Amps 0 076 Phase Watts 1000 2000 3000 4000 17 277 Phase 2 Yolt Amps 1000 2000 3000 NB Line To Line Yolts fi 20 561 Total Amps 5 10 15 20 25 0 30 0 152 Total Watts 2000 4000 6000 Bn 25 477 Total Yolt Amps 2000 4000 6000 Pl 00 Bit 31 Bit 30 Bit 29 Bit 28 Bit27 Bit 26 Bit 25 Bit 24 Line Neut Rew Bit 22 Bit 21 Multiple Fault total Max PF E Min FF B Data hex EET Data unsigned Data signed Figure 7 78M6612 Split Phase GUI Write address FO and data Oto turn on the relays Write address F0 and data 7 to turn off the relays Hev 1 1 vis Maximum IB Bit 13 Max PFA Min PF A Bit 10 Bit Maximum l Line Open Maximum VA Line Open B Sag Detect Mas Frequency Min Frequency Max Temperature Min Temperature 23 78M6612 Split Phase Evaluation Board User Manual 5 Schematics Bill of Materials and PCB Layouts UM_6612 044 This section includes the schematics bill of materials and PCB layouts for the 78M6612 Split Phase Evaluation Board 5 1 78M6612 Split Phase Evaluation Board Schematics R17 Neutral In J4 0 004 0 1 2 5W ACTERM E 2512P i K1287 2 V3P3 MS 66 ULR25R004FLFTR V3P3 Shunt PCBoard Center Poin
26. t io ey ABSOLUTELY CRITICAL to C32 performance Refer to ET Su Application Note K1287 LINE1C MS 534 1287 ST LINE1 CT Sensor R42 CTI e 4 99 196 R43 CT020P2A 1210 NC CT020P2A MS 660 SR732ETTE4R99F 0603 22 V3P3 V3P3 LINE2 CT Sensor D R40 C31 CT2 4 99 1 R41 1000pF CT020P2A 1210 750 0603 CT020P2A MS 660 SR732ETTE4R99F 0603 LINE1 In J7 222 LINE2C ACTERM 1 K1287 MS 534 1287 ST R4 R5 1M 0 196 1M 0 196 R2 To Relay J8 1206W 1206W 750 0 1 ACTERM 1 MS 660 RN732BTTD1004B25 0603 K1287 LINE1 MS 534 1287 ST R7 1M 0 1 1206W R8 1M 0 196 R6 1206W 750 0 1 C22 250mVpp 178mVrms LINE2 In J13 MS 660 RN732BTTD1004B25 0603 ACTERM 1 LINE2 K1287 MS 534 1287 ST From LINE1 In J15 1 To Relay J14 ACTERM E lt 12VDC ACTERM 1 K1287 o V3P3 K1287 MS 534 1287 ST iid LED1 MS 534 1287 ST RL1 R19 GREEN R15 16A 12V SPDT Low Profile 2K LED100 10K we 7 Az 0603 MS 606 4300H5LC 0603 eie N 255 1446 ND DW lt RELAY1 LINE1 Out J16 a n R16 ACTERM 1 Q2 1K K1287 Kos PNP 500ma 30V 0603 MS 534 1287 ST SOT23T MS 610 CMPTA63 From LINE2 In J17 1 U1A ACTERM RLY 1 78M6612 68QFP K1287 QFN68 GND MS 534 1287 ST Glad NA RL2 O Lote NG ALZ ela 255 1446 ND LINE2 Out J18 LA ACTERM 1 K1287 f MS 534 1287 ST V3P3 O ZNR1 C9 275V 22uF 450V vEooP VA XRL450B C330 MS 581 VE09P02750K MS 140 XRL450V22 RC MS 80 C330C 104KCR C12 220uF 25V lo
27. w See Also Display QB s Keyboard D Windows Update Help and Support Java Plug in 1 3 RA 2 Power Options Printers and 9 gy Sounds and Speech Audio Devices Pb Wireless Network Set Hev 1 1 Regional and Scanners and Scheduled Language sks x8 System Broadcom Date and Time Control Suite 2 Administrative Automatic Tools Updates d Game Hummingbird Intel R GMA Driver Controllers InetD e i NFS Maestro Network Connections Server 3 Security Center Phone and Modem Software Cameras Ta Explorers d amp a Taskbar and User Accounts Windows Start Menu CardSpace 19 78M6612 Split Phase Evaluation Board User Manual UM 6612 044 Click on the Device Manager button in the Hardware tab System Properties System Restore Automatic Updates Remote General Computer Name Hardware Advanced Device Manager The Device Manager lists all the hardware devices installed Gg on pour computer Use the Device Manager to change the properties of any device Drivers Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update Far drivers Hardware Profiles Hardware profiles provide a way for you to set up and store different hardware configurations Hardware Profiles Click on the Ports COM amp LPT line item to display all assigned p
28. with the following nominal AC electrical ranges Voltage Current Line Frequency 110 240 VAC 10mA 20A 46 64 Hz 1 5 Testing the 78M6612 Split Phase Evaluation Board Prior to Shipping Before every 78M6612 Split Phase Evaluation Board is shipped the following procedures have been performed at the factory e Full Calibration Precise energy source equipment is used to calibrate the current and voltage The temperature is also calibrated at the same time e Accuracy Test This bench level test ensures the energy accuracy is within 0 5 6 Rev 1 1 UM 6612 044 78M6612 Split Phase Evaluation Board User Manual 2 Installation The 78M6612 Split Phase Evaluation Board is intended for use with a 3 wire single phase distribution system This 3 wire single phase distribution system is typically sourced from a distribution transformer with a single phase input primary winding The distribution transformer s secondary winding has a center tap which is defined as Neutral Line 1 and Line 2 exist on either side of Neutral exhibiting a 180 phase shift between them The 78M6612 is referenced to Neutral and measures both voltages present on Line1 and Line 2 with respect to Neutral Additionally load currents flowing in both Line 1 and Line 2 are measured The following figure shows the 78M6612 Split Phase Evaluation Board s measurement inputs with various load configurations CT1 O Q Line 1 ILOAD 1 ILOAD 2 Line 2
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