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MAX78630+PPM Evaluation Kit User Manual

1. R40 0 0603 5VUSB Isolation Optional External I2C or SPI T T J16 lur I Rat CONG Ra 0603 470 SIP100P 10K 0603 0603 VR2 SVIN AVCC VBTI 5V C24 R43 o tuF 5VISO 5 2 10K i os 0603 5VISO VOUT VIN T SIP190P2 0603 S C20 J28 0603 VGND 388 nD XRX 10uF 3853 E wire Select SPP af sa 2g 35 8 P C5 1 RIFTDI ADO 33 99 S PWREN a Dens X 1 SAB 99 gt gt lt 6 uses V3P3 C26 0 30 AD3 USB 9 Dg AD4 4 Sur E yee 0603 i ne Baki BS AK 500 ma Max 14 0 55 ADS Ng USB cal 1 HA 1K 1K SIP100P2 ote Apr SEM 8 USBDM 5 SDO 0 1uf gt 0603 Z 0603 J29 CON2 USBDP use og N ZI dr 1 i SPL amp GND U7 RSTOB R47 C27 eng SSBF ET AG2 RSTOUTB 2 2K 10uF 5 UART NE 1 16 T E710 AC3 xn 0603 0805 6 voD1NDD2 45 1 T MISOF D St WUA M GND BND2 ga voor ZZ 40 48 Mey a MIS wr pon B MISOqit HIL a MOSIF ERES pam e el E 0603 5 T MOSIin R49 38 1M 2 Eckcur 6 OUTS INS HT SCKin 1 0 0 37 802 0603 V3P30 OUTA INA 10 0603 E 35 803 44 m J30 X g1NC NC FX 0 35 BD4 XTOUT v2 GND GND BND2 0 37 BD5 Xo SMHz 0 35 BD6 IL516 3E E B 1 sek spr ELL 0 59 BCO EESK ag V3P3 us
2. nana 8 Figure 3 MAX78630 PPM EV Board Connections eee nnne tenens 10 Figure 4 MAX78630 PPM EV Board Connections ssssesssssssseeeee eene nennen nnne nnne nnns 12 Figure 5 MAX78630 PPM EV Board Electrical Schematic 1 of 2 26 Figure 6 MAX78630 PPM EV Board Electrical Schematic 2 of 2 27 Figure 7 MAX78630 PPM EV Board PCB Top View 30 Figure 8 MAX78630 PPM EV Board PCB Bottom View 31 Table Table 1 J15 Jumper Description 13 Table 2 J11 Jumper Description 13 Table 3 J13 Jumper Description 13 Table 4 J19 Jumper Description 13 Table 5 J42 Jumper Description 13 Table 6 J14 Jumper Description 13 Table 7 J20 Jumper Description 13 Table 8 J43 Jumper Description 13 Table 9 SW4 Serial Interface Selection nana 14 Table 10 SW5 Address Selection sees eser eee eee eee 14 Table 11 Jumper Setting for UART USB Interface 14 Table 12 Jumpers Settings for UART RS 485 422 sse 15 Table 13 J22 RS 485 422 Connector Pin Assignment nana 15 Table 14 Jumper Setting for SPI USB Interface nana 15 Table 15 Jumper Settings for Connecting on J16 sees eee eee eee 16 Table 16 J16 Connector Pin Assignment enne enne nnns nnns entretenir sinn nnns 16 Table 17 MAX78630 PPM EV Board Bill of Materials 28 Rev 0 3 MAX78630 PPM Evaluation Kit User Manual 1 Introduction The MAX78630 PPM
3. 0 55 801 EECS gt O 9 8 1 0 57 802 EEDATA PAT Ved Vddilz ssm 1 J18 PNG gt SONS a 47 R53 Bada 2 SN Voe IN CONS 5 swwuB 2222 amp TEST 10K 5 OUT PYNG 1 666 lt 3659 fane BND1 ssemen sse E IL510 3E 0 RSASSIUSP Fmexc 3 603 Select TQFP48 J12 uP CONS RS485 V O 1 TXen SSBout GND Cons SSB RS485TXEN O RS485 USB Select 3 Select R54 10K 0603 GND R59 NU 120 SVIN 0805 2 J38 C30 LL cm 1 CON2 tuF I 0 tuF Un SIP100P2 0603 0603 al VL vec ii RS483RX RS485TXENout RS485TXENout fe SVIN 1 J22 t RS485A Block6 VR3 RE Bo RS485B 5 DI Z R RS4857 4 RS485 3 3V E 950mA pal am R52 RS485Y 5 120 I vers LD1117833CTR MAX13433EESD 0805 J27 4 1 CON2 TAB 3 5VISO sviso SIP100P2 Do NOT apply 5VDC to a NETT I J22 1 when USB cable is SOE E C55 attached to J21 C52 C53 C54 0 tuF IE do 1000pF 0 tuF 507223 0603 0805 0603 0603 GND T IGND IGND Sr Maxim Teridian Smart Grid Solutions Title MAX78630TOFN32EVALV1 izo Document Number Rev B MAX78630 TOFN32 Development Board 1 Date Friday April 12 2013 Ent 2 o 2 Figure 6 MAX78630 PPM EV Board Electrical Schematic 2 of 2 Rev 0 27 MAX78630 PPM Evaluation Kit User Manual 5 2 MAX78630 PPM EV Board Bill of Materials Table 17 MAX78630 PPM EV Board Bill of Materials C1 C3 C5 C7 C9 C12 C15 C22 C23 C24 1 19 C26 C28 C29 C31 C38 C39 C4
4. 9E E3 60 E3 AD E3 42 ES 9E E3 24 3F 27 3c 24 SF 27 sc Start Logging m Rev 0 25 MAX78630 PPM Evaluation Kit User Manual 5 Schematics Bill of Materials and PCB Layouts This section includes the schematics bill of materials and PCB layouts for the MAX78630 PPM EV board 5 1 MAX78630 PPM EV Board Schematics Voltage inputs VA VB VC Nin Nout J1 GONA J2 GONA J3 GONA J4 CON4 J5 CON4 CT secondary inputs IA IB IC J39 Block2 5 08 mm 2 J40 Block2 5 08 mm 2 J41 Block2 5 08 mm 2 Je JB J9 J10 CON1 CON CON CON Test points Voltages WS DE R3 x 10K Warning O VaP3A pen 1 Ra ct c2 Rt R2 750 0 1 0 tuF 1000pF DNP 1M 0 1 1M 0 1 0603 060
5. Evaluation Kit EV kit demonstrates the capability of the MAX78630 PPM for monitoring a three phase AC load using up to three voltages and three currents sensors included The EV kit connects to a PC through a USB cable that provides both power and data communication to the board A Windows based graphical user interface GUI communicates with the device over a virtual for simplified access to measurement data and controls 1 1 Ordering Information PART TYPE MAX78630 PPMEVK1 EV Kit Denotes a RoHS compliant device that may include lead that is exempt under the RoHS requirements 1 2 Package Contents The MAX78630 PPM EV kit includes the following e MAX78630 PPM EV Board e Three 50A Current Transformers CR Magnetics CR 8449 2500 N e USB Cable Assembly USB A B 28 24 1 8M Tyco Amp 1487588 3 e CD with Documentation GUI Application and USB Drivers e Calibration Coefficients Document Hardcopy Only 1 3 System Requirements In addition to an AC source and load for measuring the MAX78630 PPM EV kit requires use of a PC with the following features e 1GHz processor and 1GB RAM e Minimum 1024 x 768 video display resolution e Available USB port e Microsoft Windows 7 or Windows XP Windows and Windows XP are registered trademarks of Microsoft Corp Rev 0 MAX78630 PPM Evaluation Kit User Manual MAX78630 PPM Eval Board Burden Res
6. O 7 7 7 O 15 UN_VRMSB v 7 7 7 7 7 7 o 14 0V VRMSA 7 7 7 7 7 7 7 13 UN VRMSA 7 7 12 UN PFC v 7 7 7 7 7 7 E 11 UN_PFB v 7 7 7 7 7 o 10 UN_PFA v 7 7 7 9 OV IRMSC 7 v 8 OV IRMSB B v o o FI o 7 7 EI ZOVIRMSA JJ v E E E T T T 6 VCSAG v 7 7 7 7 7 o 5 VB SAG v 7 7 4 VA SAG a v O 7 O 7 7 al O 3 V IMBAL O 7 2 I IMBAL i v 7 7 7 7 1 EXT OSC Vy v 7 7 7 7 7 7 0 RESET v O 7 O 7 7 a O Ga Ga Ga ca Get Ge sa se Set sa 24 Rev 0 MAX786304 PPM Evaluation Kit User Manual 4 1 12 Monitor Tab The Monitor tab is a running record of all the communications between the GUI and the target MAX78630 PPM A log file can be generated to save the transactions for later analysis f BRX 0xAA TX 0xAA BRX 0xAA TX 0xAA RX OxAA TX O0xAA RX 0xAA TX 0xAA RX OxAA TX 0xAA RX 0xAA TX 0xAA RX 0xAA TX 0xAA BX 0xAA TX 0xAA 4 06 07 06 07 06 07 06 07 06 07 06 07 06 07 06 07 EO 23 BE 23 F1 MAXIM MAX78630 P Connection Info 581 Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Arms Monitor 01 E3 3C 12 A4 13 89 06 AL 08 BC 12 A4 13 89 06 A1 08 BC 02 01 02 01 17 01 17 01 02 01 02 01 17 01 17 01 sc E3 AD E3 42 E3
7. 0 C54 C55 0 1uF 603 2 8 C2 C4 C6 C8 C11 C14 C17 C53 1000pF 603 3 3 C10 C13 C16 0 047uF 603 4 2 C18 C19 18pF 603 5 4 C20 C21 C27 C52 10uF 805 6 1 c25 0 033uF 603 7 1 c30 1uF 603 8 5 J1 J2 J3 J4 J5 CON4 STERM 9 7 J6 J8 J9 J10 J44 J45 J46 CON1 SIP100P1 10 1117 CON18 SIP100P18 11 5 J11 J12 J15 J17 J18 CON3 SIP100P3 12 11 J13 J14 J19 J20 J27 J28 J29 J30 J38 J42 J43 CON2 SIP100P2 13 1 J16 CON6 SIP100P6 14 1 J21 USB USBB 15 1 J22 Block6 TERM BLK 200 6 16 3 J39 40 41 Block2 5 08 mm 2 17 4 MT1 MT2 MT3 MT4 PCB Peg MTGPS PRT 18 6 R1 R2 R5 R6 R8 R9 1M 0 1 1206W 19 9 R3 R33 R36 R38 R39 R42 R43 R53 R54 10K 603 20 10 R4 R7 R10 R12 R14 R15 R17 R18 R20 R22 750 0 196 603 21 1 R11 0 004 1 2 5W 2512P 22 3 R13 R16 R19 4 99 1 1210 28 Rev 0 MAX78630 PPM Evaluation Kit User Manual Table 17 continued 23 4 R21 R40 R45 R49 0 603 24 1 R41 470 603 25 2 R46 R47 2 2K 603 26 1 R50 1M 603 27 2 R52 R59 120 805 28 7 R56 R57 R58 R77 R78 R79 R80 1K 603 29 1 SW1 PUSHBUTTON EP11 30 2 SW4 SW5 SW DIP 2 DIP4 31 1 U1 MAX78630 32 QFN32L 32 1 U3 FT2232C TQFP48 33 1 U7 IL516 3E SO 16 NARROW 34 1 U8 IL510 3E IL611A 35 1 V11 MAX13433EESD SO 14 NARROW 36 1 VR2 VBT1 5V VBT1 37 1 VR3 3 3V 0 950mA SOT223 38 1 Y1 20 00MHz ABLS 39 1 Y2 6MHz CSTCR Rev 0 29 MAX78630 PPM Evaluat
8. 000 97 322 CF xa NA NA PF 0 000 0 000 1 000 PH NA NA NA Rev 0 21 MAX78630 4 PPM Evaluation Kit User Manual 4 1 8 Energy Tab The Energy tab displays the accumulated power both into and out of the load All energy counters can be reset to zero in the device with the Reset button Connection CONE Info SSI Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Alarms Monitor Phase A Phase B Phase C Positive Negative Positive Negative Positive Negative i 0 E 000 o c 000 0 000 i 0 000 5 920 0 000 Q 0 000 0 000 0 000 0 000 0 020 0 020 NA NA NA NA NA NA Update il Update H Update Update Al 4 1 9 Fundamental Tab The Fundamental tab is used to display the fundamental and harmonic measurements for voltage current and power The harmonics displayed can be selected with the get set harmonic buttons Connection v l 0 021 0 054 i 0 041 0 055 120 019 4 396 I 0 000 0 004 0 000 0 004 0 811 0 000 P 0 000 0 000 0 004 0 004 97 096 0 024 Q 0 000 0 000 0 000 0 004 0 433 0 032 S 0 000 NA i 0 000 i NA 97 354 NA 22 Rev 0 MAX786304 PPM Evaluation Kit User Manual 4 1 10 Min Max Tab The Min Max tab is used to display the minimum and maximum measurements for the parameters selected in the Word Addr column The units can be selected with the provided pull down menu and
9. 1 2 J28 Removed J29 Removed J27 Removed J38 Removed J30 Removed J12 Removed 14 Rev 0 MAX78630 PPM Evaluation Kit User Manual UART RS 485 422 Interface Configuration In order to operate the UART through the RS 485 422 transceiver the jumpers must be set accordingly to Table 12 Table 13 contains the pin assignment of connector J22 Table 12 Jumpers Settings for UART RS 485 422 Jumper Position J17 2 3 J18 2 3 J28 Removed J29 Removed J27 See note J38 See note J30 Removed J12 2 3 Note These jumpers are used to insert a 1200 termination on the RS 485 bus The termination should be inserted or removed according to the board location on the RS 485 bus Table 13 J22 RS 485 422 Connector Pin Assignment J22 Pin Number Pin Name Pin Description 1 5V DC Connect to external source 2 Data In P Three state bidirectional 3 Data In N Three state bidirectional 4 Data Out N Three state bidirectional 5 Data Out P Three state bidirectional 6 GND Connect to external source 3 2 SPI Settings The MAX78M6630 PPM has an on chip SPI slave interface The interface is selected through SW4 according to Table 9 The SPI interface can be accessed through the USB interface or directly via J16 both connectors are galvanically isolated SPI USB Interface Configuration Table 14 Jumper Setting for SPI USB Interface Jumper
10. 3 0603 1 4 4 4 4 1 M o V3P3A sw 1 R7 c3 C4 MAXIM R5 RE 750 0 1 0 1uF 1000pF oll 6610 Reset 1M 0 1 1M 0 1 0603 0603 0603 gt o VSP3A ze 1 R10 C5 C6 RB Re 750 0 1 0 tuF 1000pF 1M 0 1 1M 0 1 0603 0603 0603 nig DIO connector d F IPT00P18 V3P3A R21 V3P3 J11 9 0 9 0 0603 1 Jumper AAA kelo ba fv ble bolo e LC a Pos 1 2 2V Delta VB is reference PEPPEPEEP Pos 2 3 3V Wye Delta V3P3A i ND 8 2 C38 C39 az El v3P3 0 tuF O tuF al es 0603 0603 C40 SR T GND GND 0 tuF EE Sr x e ow 0603 HE x RH C7 CB lt o za kag ZNE 0 004 1 2 5WR12 0 tuF 1000pF p SES 2512P 750 0 1 0603 0603 25 S gRESETB SE ar T Ave poop Ay 4 TE SPCK ADDRO pi AVS BON SDI RX SDAI I Sor MOSI Jumper J15 Bi 2 16 SDO TXSDAO I SS soo MISO Pos 1 2 3l 103 9 AL Pos 2 3 21 Shunt on Neutral pe 9 SSBIDIR SCL i 4 ssa SSB 195 s AL3 ADDR1 J15 29 DIOS ALA 3 A A DIO7 ty JE O J14 LZ 37 Al2 DIOS 77 pF i CON2 O HT AI3 DIO9 Fat are gt Insert Burden Resistor IP100P2 varer men ab SGNVT Close Jumper for CT Optional RC for Rogowski Coils SGNV2 mm o tore cons 01012 7 SGNVS s 28 DIO13 1 m 7 Ris RES DIO14 z z O CON2 750 0 1 RES plots SIP100P2 0603 lt OO XN gt V3P307 V3P3 2 29 jour 1 R13 R14 c9 C10 cut c 10G Noc am 4 99 1 750 0 1 0 tuF 0 047uF 1000pF m UT R36 R33 1210 0603 0603 0603 0603 EPI waxz8630 32 10K 10K 10K QFN32L 20 00MHz 0603 0603 os bi T ROB SA enD c18 c19 S 18pF 1
11. 8pF Jog Insert Burden Resistor 0603 0603 Close Jumper for CT F Optional RC for Rogowski Coils A 20 Close Jumper for T GND IGND i E Sar The state of SW4 at power up af ou dada PNG Gm determines the communications SIP100P2 0603 n SW5 n swa method used SW4 can be set to pi ig SW DIP 2 sw bip 2 1S after power up to free up the GPIO lines z 499 1 750 0 1 OF coeur TooopF SO 1210 0603 0603 0603 0603 iS COMMUNICATIONS MODE T T Y e NESA Bi E R79 R amp R78 R77 SPI Ox a 8 ka UART 10 Inge Burden Resistor Test points Currents I2C 11 Close Jumper for CT Optional RC for Rogowski Coils CONI CON CON 4 J43 o lose Jumper for CT J44 J45 J46 CON2 GN 1 J42 SIP100P2 R22 CON2 750 0 1 SIP100P2 0603 T MTI MT2 MT3 MT4 Maxim Teridian Smart Grid Solutions I R19 R20 C15 C16 ce z 4 99 1 750 0 1 0 1uF 0 047uF 1000pF 1 i bi T Title MAX SESHTGENSSEUAL VA 120 0603 0608 0608 0605 PCB Peg PCB Peg PCB Peg POB Peg Size Document Number Rev 35 is i B Span B MAX78630 TOFN32 Evaluation Board 1 Date Friday April 12 2013 Sheet 1 of 2 Figure 5 MAX78630 PPM EV Board Electrical Schematic 1 of 2 26 Rev 0 MAX78630 PPM Evaluation Kit User Manual
12. Position J17 1 2 J18 1 2 J28 Inserted J29 Inserted J27 Removed J38 Removed J30 Inserted J12 1 2 Rev 0 15 MAX78630 PPM Evaluation Kit User Manual SPI J16 Interface Configuration Table 15 Jumper Settings for Connecting on J16 Jumper Position J17 Removed J18 Removed J28 Removed J29 Removed J27 Removed J38 Removed J30 Inserted J12 1 2 Table 16 J16 Connector Pin Assignment Pin Number Pin Name Pin Description 1 45V DC Connect to external source 2 SSB SPI Slave Select SS 3 MISO Slave Data Out 4 MOSI Slave Data Input 5 SCK Serial Clock 6 GND Ground 16 Rev 0 MAX78630 PPM Evaluation Kit User Manual 4 Graphical User Interface GUI A graphical user interface GUI is included on the MAX78630 PPM EV kit CD to facilitate quick evaluation of the MAX78630 PPM energy measurement device The GUI requires Microsoft NET Framework 4 on the PC for which the GUI is to execute on Upon invoking the GUI executable file an installation wizard may appear if Microsoft NET Framework 4 is not installed on the PC Follow the installation wizard instructions or download Microsoft NET Framework 4 from the Microsoft web site prior to launching the GUI 4 1 GUI Initialization The GUI is self explanatory when used with the MAX78630 PPM Data Sheet The user however should note the following about the EV kit hardware e Serial COM Po
13. a different source a 5V DC can be applied to the connector J16 see Table 16 for the pin assignment When the MAX78630 PPM EV board is powered through via USB the same cable also provides the communications link between the host PC and the MAX78630 PPM EV board 2 3 Basic Connection Setup This section shows examples of basic connections between the MAX78630 PPM EV board and external eguipment Additional connection examples can be seen in the MAX78630 PPM IC data sheet Note that this board does not directly support voltage transformers VT and provides a shunt resistor as alternative to the current transformer on phase C The following examples are only a subset of all possible measurement configurations Refer to the MAX78630 PPM IC data sheet for configurations and system connection diagrams 2 3 1 Wye Connected or 3V Delta Connected Three Phase Systems For Wye connected systems all three phase Line to Neutral voltages are measured The Neutral line is the reference for all voltages V3P3A Jumper J11 must be in position 2 3 3V Wye Delta It is also possible to directly measure all three voltages in a Delta configuration In that case the Neutral is not accessible and the MAX78630 PPM EV board is at a virtual center potential A B C J43 wm MAX78630EVAL V1 Neutral Connectio
14. e scale factors are then used in the following result tabs to convert numeric results obtained from the MAX78630 PPM device to real world values The user can also choose to round the results Power Energy Fundamental Harmonics Frequency and Temperature to a specified number of decimal places Connection Info Ssi Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Alarms Monitor Voltage Rounding Results Display only Full Scale Voltage 666 91 Volts 2667 64 1 Voltage Ratio Deal Places Voltage Pag Rounding Full Scale Current 50 Amps 1000 1 Current Ratio 5 Ohms W CT 1 2 EINEN Voltage Full Scale Watts 333455 Watts Use Full Scale V 7 Demo Board Defaults 8 9 18 Rev 0 MAX786304 PPM Evaluation Kit User Manual 4 1 4 Direct Tab The Direct tab allows access to the all the registers and can both read and write to the registers The data can be displayed with the scale factor and units applied for convenience In the example below the voltage register is being read so the volts option is used to display the data ADDR RAW DATA SCALE FACTOR ACTUAL VALUE Hex 96 Ox168200 Unsigned 150 1475072 Signed 1475072 7 9502E 5 1 1727E42 Volts Set Register Rev 0 MAX78630 4 PPM Evaluation Kit User Manual 4 1 5 Command and Configuration Tab The Command and Config tab controls tw
15. en jumper J14 to enable the 2nd RC circuit 6 Always refer to the IC data sheet for proper connections according to the desired configuration 7 Write the corresponding value of the CONFIG register to the MAX78630 PPM according to the configuration and the choice of sensors PG No Note If a phase is backwards reverse the current flow through the respective current sensor Rev 0 11 MAX78630 PPM Evaluation Kit User Manual 2 3 3 Neutral Current Measurement Considerations It is possible in certain Wye configurations to measure the current in the neutral conductor via a shunt resistor therefore replacing the third phase current measurement This function is enabled by setting jumper J15 to position 2 3 The MAX78630 PPM EV board then connects the shunt voltage to input AIC of the MAX78630 IC J41 is not measured in this case A B C J43 wm MAX78630EVAL V1 Figure 4 MAX78630 PPM EV Board Connections 12 Rev 0 MAX78630 PPM Evaluation Kit User Manual 2 4 Analog Input Jumper Descriptions The following tables describe the various EV board jumpers that determine how analog signals are routed to the inputs of the MAX78630 PPM Table 1 J15 Jumper Description J15 Pins Description Default 1 2 MAX78630 PPM measures current IC J41 Default In
16. ion Kit User Manual 5 3 MAX78630 PPM EV Board PCB Layouts MAX78630EVRLVI S N o R E JP egare ponte Figure 7 MAX78630 PPM EV Board PCB Top View 30 Rev 0 MAX78630 PPM Evaluation Kit User Manual aA Mie eo eee A Figure 8 MAX78630 PPM EV Board PCB Bottom View 31 Rev 0 MAX78630 PPM Evaluation Kit User Manual 6 Contact Information For more information about Maxim products or to check the availability of the MAX78630 PPM contact technical support at www maximintegrated com support Revision History REVISION REVISION PAGES NUMBER DATE DESCRIPTION CHANGED 0 7 3 Initial release 32 Rev 0
17. istor Burden Resistor Burden Resistor i ha elos a MAX78630 PPM Voltage Divider Voltage Divider Voltage Divider Note Jumpers 16 DIOs not shown Neutral Line 3 9 en Ni MN N O o PILI Figure 1 MAX78630 PPM EV Kit Typical Application Diagram Rev 0 MAX78630 PPM Evaluation Kit User Manual 1 4 Safety and ESD Notes EXERCISE CAUTION WHEN LIVE AC VOLTAGES ARE PRESENT Do not connect test equipment ICE emulators or external development boards directly to the MAX78630 PPM hardware Damage to the MAX78630 PPM and external equipment will occur due to the MAX78630 PPM s high side reference topology The MAX78630 PPM s V3P3 i e high side is connected directly to Neutral Earth Ground or Line Voltage creating a ground reference disparity with any properly grounded external equipment The board components and firmware settings are designed to operate with the following nominal AC electrical ranges Voltage Current Line Frequency 10 400V AC 10mA 50A 46 64Hz The maximum current is determined by the current transformer CT that is provided with this EV kit CR Magnetics model no CR8449 2500 N 1 5 Testing the MAX786304PPM EV Board Prior to Shipping Before every EV kit is shipped the board and sensors undergoes a single load point calibration using precise energy source equipment The device temperature is al
18. maxim integrated MAX78630 PPM Evaluation Kit User Manual July 2013 Rev 0 Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product No circuit patent licenses are implied Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time Maxim Integrated 160 Rio Robles San Jose CA 95134 USA 1 408 601 1000 O 2013 Maxim Integrated Products Inc Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products Inc MAX78630 PPM Evaluation Kit User Manual Table of Contents 1 Fa ig ef 1 og i o es 4 1 1 Ordering Informations cst o di TH 4 1 2 Package Contents eine tee Tee ettet e eet ue ae 4 1 3 System ReguiementS aaa Ee e eee etra ei em cas 4 1 4 Safety and ESD H e ite ee EE te er MINE tiene 6 1 5 Testing the MAX78630 PPM EV Board Prior to Shipping see 6 2 installation aa Rie 7 2 1 USB DBriver InstallatiQri 2c iii enun rhe eee Fh nnn nano Ene n Had nan edd 7 2 1 1 Confirm COM Port Mapping nana 7 2 1 2 FTDI COM Port Trouble Shooting 7 2 2 Powering the EV Kit Board a ecco Cr oe a tz te en eo dde Ee 8 2 39 Basic Connection Setup zeige entere td en i eU hadd Ee dde 8 2 3 1 Wye Connected or 3V Delta Connected Three Phase Systems 8 2 3 2 2V Delta Connected Three Phase Syste
19. ms 10 2 3 3 Neutral Current Measurement Considerations sse eee eee eee eee eee eee 12 2 4 Analog Input Jumper Descriptions sss sese eee eee nan 12 3 Serial Interfaces Selection and Configuration nana enne rn 14 3 1 UART Interface Settings ente Adah arian redet tiens 14 32 AA A et eet eeu oes eene ende NAAN tees 15 4 Graphical User Interface GUN aNG da eodeni neee nenen ene 17 4 1 GUI TO Te 17 zril 17 412 Device aD a PA ae 18 AAS Scaling Tab s n doeet eren ep Eres ee RE DEERE SAE o dne repe de 18 41 4 Direct Tab ionem tte dee Cave te Pe cep MEE OU ice 19 4 1 5 Command and Configuration Tab sese eee eee e 20 4 1 6 Calibration T 21 41 7 POWER 1 aT 21 v UR TT 22 4 1 9 Fundamental Tab sese 22 4 1 40 Min Max Tab TTT 23 LIRE E OS TR 24 4 31 12 Monitor Tab aei Eee RR EE 4a ened ow E Qa PR dae np ads 25 5 Schematics Bill of Materials and PCB Layouts vesse enesenn ennenen 26 5 1 MAX78630 PPM EV Board Schematics esses eene nennen 26 5 2 MAX78630 PPM EV Board Bill of Materials 28 5 3 MAX78630 PPM EV Board PCB Layouts nana 30 6 Contactinformation un ide 32 Revision pid M 32 2 Rev 0 MAX78630 PPM Evaluation Kit User Manual Figures Figure 1 MAX78630 PPM EV Kit Typical Application Diagram sese sese eee eee eee 5 Figure 2 MAX78630 PPM EV Board Connections
20. n for Wye Configurations Figure 2 MAX78630 PPM EV Board Connections 8 Rev 0 MAX78630 PPM Evaluation Kit User Manual O BON Set Jumper J11 to position 2 3 Set Jumper J15 to position1 2 Connect the Neutral from Source to Load and to J4 Nin Wye connected systems only Connect the AC source Phase A to J1 phase B to J2 and Phase C to J3 Connect Phase A current sensor secondary side to J39 a If using a CT enable burden resistor by closing jumper J13 Also close jumper J14 to disable the 2nd RC circuit b If using a Rogowski coil disable burden resistor by opening jumper J13 Also open jumper J14 to enable the 2nd RC circuit Connect Phase B current sensor secondary side to J40 a If using a CT enable burden resistor by closing jumper J19 Also close jumper J20 to disable the 2nd RC circuit b If using a Rogowski coil disable burden resistor by opening jumper J19 Also open jumper J14 to enable the 2nd RC circuit Connect Phase C current sensor secondary side to J41 a If using a CT enable burden resistor by closing jumper J42 Also close jumper J43 to disable the 2nd RC circuit b Ifusing a Rogowski coil disable burden resistor by opening jumper J42 Also open jumper J14 to enable the 2nd RC circuit Always refer to the IC data sheet for proper connections according to the desired configuration Write the corresponding value of the CONFIG register to the MAX78630 PPM according to the c
21. n is done at reset power on The UART interface also supports RS 485 422 The MAX78M6630 PPM EV board includes an isolated RS 485 422 transceiver Table 9 shows the settings of SWA for the individual interface selection the signal IFCO and IFC1 are sampled at reset and power on Table 9 SW4 Serial Interface Selection Interface Mode ike pus SPI 0 ON X don t care UART 1 OFF 0 ON PC 1 OFF 1 OFF The MAX78630 PPM EV board provides the serial port signals on connector J16 3 4 UART Interface Settings The MAX78M6630 PPM implements a serial communication protocol SSI that supports multipoint communication The device address lower bits is selected through the pins ADDRO and ADDR1 as shown in Table 10 The upper bits of the address are set through the register DEVADDR as described in the IC data sheet Table 10 SW5 Address Selection Device Address SW52 SW5 1 DEVADDR 5 1 Bit 1 Bit 0 The EV board includes an isolated RS 485 422 transceiver The MAX78630 PPM serial UART is connected to the RS 485 422 transceiver when a multi drop RS 485 422 bus is available UART USB Interface and UART RS 485 422 Interface Configuration In order to operate the UART through the USB FTDI device or RS 485 422 the jumper must be set according to Table 11 Table 11 Jumper Setting for UART USB Interface Jumper Position J17 1 2 J18
22. nels The calibration targets can be viewed and changed and the scaling parameters are also displayed for convenience Use the Calibration Options to select the parameters to be calibrated The calibration and NV RAM are also saved using the provided button Connection m CONNECTED C Info SSI Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Aams Monitor Calibration Options Calibration Targets Scaling Caer Vea A wer Csa LST ue vas wa JE vos rene amt a Ce T max Ose Coa wa ame Calibrate Voltage MEME Tepee sre penno ssc ati e Current FI Calibrate Curent B Calibration Setting Command PRINS Cydles to Avg Set Get 5 Cycles se ca FJ une Lock E Calibrate Offset Calibrate Temperature Calibrate Save Calibration Non Volatile Memory 1 7 2013 1 35 21 PM Calibration Successful 4 1 7 Power Tab The Power tab displays the current power being consumed by the loads P active power Q reactive power and S apparent power are displayed along with the voltage current crest factor and power factor Connection Info 551 Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental 1 Phase A Phase Phase C V 0 058 0 071 119 999 NG 0 004 0 008 0 811 0 000 0 000 97 302 Q 0 000 0 000 0 413 S 0 000 0
23. o frequently used registers Get and Set Command Register These buttons essentially do the same thing as the direct register reads and writes but specifically for the command register while the Direct tab is for any pother registers that need to be accessed Hex and decimal formats are supported Get and Set Configuration Register These buttons are used to set up the measurement configurations for the MAX78630 PPM Refer to the IC data sheet Section 2 19 for details on how this is used The configuration must be configured before the MAX78630 PPM is used by getting the default configuration and setting it Once this is done it can be saved to NV RAM for future use or programmed to a user defined configuration and saved See the Calibration tab for saving the settings Connection Info SSI Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Alarms Monitor Command Register ADDR DATA ADDR DATA Hexadecimal 0 0x00000030 Hexadecimal 0 Decimal 0x00 48 Decimal 0x00 Get Command Register Set Command Register 30 48 Config Register ADDR DATA Hexadecimal 3 0x00000000 Decimal 0x03 0 RESPONSE Read OK ADDR 3 DATA Hexadecimal Decimal 0x03 Set Config Register 20 Rev 0 MAX786304 PPM Evaluation Kit User Manual 4 1 6 Calibration Tab The Calibration tab is used to calibrate all the measurement chan
24. onfiguration and the choice of sensors Note If a phase is backwards reverse the current flow through the respective current sensor Rev 0 3 MAX78630 PPM Evaluation Kit User Manual 2 3 2 2V Delta Connected Three Phase Systems For Delta connected systems it is possible to measure only two line Line to Line voltages For this board Phase B can be used as reference V3P3A therefore measuring VAB and VCB Jumper J11 must be in position 1 2 2V Delta J43 MAX78630EVAL V1 Figure 3 MAX78630 PPM EV Board Connections 10 Rev 0 MAX78630 PPM Evaluation Kit User Manual Set Jumper J11 to position 1 2 Set Jumper J15 to position1 2 Connect the AC source Phase A to J1 phase B to J2 and Phase C to J3 Connect Phase A current sensor secondary side to J39 a ifusing a CT enable burden resistor by closing jumper J13 Also close jumper J14 to disable the 2nd RC circuit b ifusing a Rogowski coil disable burden resistor by opening jumper J13 Also open jumper J14 to enable the 2nd RC circuit 5 Connect Phase C current sensor secondary side to J41 a ifusing a CT enable burden resistor by closing jumper J42 Also close jumper J43 to disable the 2nd RC circuit b ifusing a Rogowski coil disable burden resistor by opening jumper J42 Also op
25. rol Panel and click on the System icon 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 e Take note of the COM port assignment for the USB Serial Port Y Mice and other pointing devices BB Network adapters PCMCIA adapters lt Ports COM amp LPT 4 USB Serial Port COM24 4 USB Serial Port COM25 o SB Processors J Secure Digital host controllers XQ Smart card readers Sound video and game controllers System devices Universal Serial Bus controllers 2 1 2 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 1 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 See Section 2 1 1 for access to the Device Manager If a Ball Point device exists delete it and unplug and replug the EV kit s USB cable Rev 0 i MAX78630 PPM Evaluation Kit User Manual 2 2 Powering the EV Kit Board The MAX78630 PPM EV board is normally powered through the USB port J21 If power needs to be supplied from
26. rt gt Following the installation instructions in Section 2 launch the GUI executable Click the Connection pull down menu and select Connect ifo SS Device Scaing Direct Command and Config Register Cait maxim integrated The COM Port Baud Rate box appears Select the COM port assigned to the EV kit and leave the baud rate set to 38400 default Click the Connect button 4 1 1 SSIID Tab s SSIID gt Click the SSI tab Use the SSI ID number set by DIP switch 5 1 and 2 are closed by default and click Set Target Upon successful communication with the EV kit a message appears in the message box ad Connection Info SSI Device Scaling Direct Command and Config F Ml Set Target I Release Target Device Adddress x 01 Jj PASS Device x01 selected Rev 0 MAX78630 4 PPM Evaluation Kit User Manual 4 1 2 Device Tab The Device tab shows to current firmware build as well as the temperature and line frequency being measured Connection Info SSI Device Scaling Direct Command and Config Register Calibration Power Energy Fun Firmware Version Released 12 20 2012 Temperature 26 373046875 Line Freguency 59 9951934814453 4 1 3 Scaling Tab The Scaling tab is used to set the scale factors for voltages currents and power results They should be set in accordance to the external circuitry that is being used Th
27. so calibrated at the same time Results printed out on paper and included with the EV kit Note that the board is calibrated using the marked CTs included with the kit Therefore CT1 should be connected to 11 CT2 to 12 and CT3 to 13 6 Rev 0 MAX78630 PPM Evaluation Kit User Manual 2 Installation 2 1 USB Driver Installation This EV kit includes an isolated USB interface for serial communications with a PC The FTDI USB controller IC FT2232 performs the USB functions The FTDI Windows driver presents a virtual COM port for enabling serial communications The FTDI Windows driver is a certified driver for Windows XP and Windows 7 Upon attaching the MAX78630 PPM EV 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 FT2232 controller is powered from the USB cable and is active even when no AC power is applied to the MAX78630 PPM EV kit Note If an older FTDI driver has been previously installed it is recommended to remove the older version 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 refer to the FTDI website at www ftdichip com 2 1 1 Confirm COM Port Mapping e Launch the Cont
28. stalled 2 3 MAX78630 PPM measures shunt current IN R11 1 2 Table 2 J11 Jumper Description J11 Pins Description Default 1 2 Measure two voltages VB is reference Default Installed 2 3 Measure three voltages N is reference 2 3 Table 3 J13 Jumper Description J13 Pins Description Default 1 2 Insert burden resistor on IA installed enable open disable Installed Table 4 J19 Jumper Description J19 Pins Description Default 1 2 Insert burden resistor on IB installed enable open disable Installed Table 5 J42 Jumper Description J42 Pins Description Default 1 2 Insert burden resistor on IC installed enable open disable Installed Table 6 J14 Jumper Description J14 Pins Description Default 1 2 Enable 2nd RC filter on IA installed disable open enable Installed Table 7 J20 Jumper Description J20 Pins Description Default 1 2 Enable 2nd RC filter on IB installed disable open enable Installed Table 8 J43 Jumper Description J43 Pins Description Default 1 2 Enable 2nd RC filter on IC installed disable open enable Installed Rev 0 13 MAX78630 PPM Evaluation Kit User Manual 3 Serial Interfaces Selection and Configuration The MAX78630 PPM has integrated UART SPI Slave and PC Slave interfaces Only one interface can be active at a time and the selectio
29. the most recent measurements are updated using the get buttons All the measurements are reset with the reset button al MAXIM MAX78630 Connection Info 551 Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Ala Word Addr Min Max Ox 82 119 976665443 120 009897224 V v Ox 49 0 810027122 0 811088085 0 Set o o Ult ox 0 set 0 o Un w Get x o o o Unt Reset x o o o Ult Ok o o ay un Ox 0 set 0 o Ulnt v Get Get All Addr Get N Min Max Rev 0 23 MAX78630 PPM Evaluation Kit User Manual 4 1 11 Alarm Tab The Alarm tab is a user definable display of whatever parameters are required in a particular application The alarms are described in detail in Sections 2 11 and 2 12 of the MAX78630 PPM IC data sheet Connection Info SSI Device Scaling Direct Command and Config Register Calibration Power Energy Fundamental Min Max Alams M NAME STATUS STICKY STATUS STATUS MASKO MASKA MASKE MASK7 MASK10 SET RESET 23 DRDY CJ v 7 7 7 7 7 7 o 22 0V_FREQ E v 7 7 7 7 o 21 UN_FREQ a v 7 7 7 20 0V TEMP v O 7 O 7 7 7 O 19 UN_TEMP O v 7 7 7 7 7 7 T 18 0V VRMSC 7 v 7 7 17 UN VRMSC v 7 16 OV VRMSB Y 7 7

MAX78630+PPM Evaluation Kit User Manual

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