78M6610+LMU Evaluation Board User Manual
Contents
1. 1 3 3V 500 511 101117633 V3P3 326 501223 4 TAB 3 5VISO 9 0603 1 C2 5 gF 5 10uF 1000pF 0 tuF 0603 0805 0603 0603 GND GND GND lt 7 tA swi 1 SO LINE A IN CON 1 R9 R10 2 1M 0 196 1M 0 1 1206W 1206W V3P3A 1 1 ve c9 GND J25 33 1000pF SF CONT R11 R12 c5 0603 750 0 1 0 NC 0603 0603 0603 232 GND 1 CON1 S 1 0 tuF V3P3A R19 0603 1 0 S2 neon CN 1 R16 R17 R15 R18 ce 0603 aba 1M 0 1 1M0 1 750 0 1 0 NC Se GPIO ACCESS CON13 1206W 1206W 0603 0603 0603 E i 0 1uF J24 CON1 0603 0603 e 2 2 CON3 1 B Sel SKE S NEUTRAL OUT GNI oO GND Ba 10K R24 OL 24 Fe 3 750 1 CON lt Q 58 0603 5 5 RESET 8 z 15 MPO R26 1000 12 SDO TX SDAI gt ons 0 004 1 2 5W 0603 13 SD RX SDAo V3P3A SDI RX SDAo SDI 2512P J23 SPCKIADDRO 15 SPCK ADDRO SPCK CON3 1000pF wpa MP4 i E ied 1 0603 22 sseminiscL E SSB DIR SCL i 2 SSB 23 MP6 ADDR1 5 MPG ADDRT 2 ape NEUTRAL IN 3 7 amp 7 R28 3 IFCO MP7 750 1 x S16 MP10 E 1 10K 10 4 10 J15 0603 24 17 As 9 V3P3 5 1 4452. xit ei nititur IIBER teint ide ts 17 5409 Fundamental FSB he tin PER cede es 17 5 110 Min Max te zt ae Peer IR ee tob 17 BTS Alarms Tabu i fede dei tels 18 112 TDi tese tere ds 19 6 Hardware Design Information eene nnne nihi ninth siens sanie nnn 24 6 1 Board Scli mali6s uei ice ael i ert ei eee aah ea e ree dara io P evt Muda 24 6 25 Materials itte efe CI i fo ib IRE atf eri indi 28 6 37 30 e 32 Revision ocaciones keia SEE EEG ERNE 32 2 Rev 1 78M6610 LMU Evaluation Kit User Manual Figures Figure 1 78M6610 LMU Evaluation Board 1 7 Figure 2 78M6610 LMU Evaluation Board 9 Figure 2 78M6610 LMU Evaluation Board 1 22 Figure 3 78M6610 LMU Evaluation Board Electrical Schematic 1 Of 4 24 Figure 4 78M6610 LMU Evaluation Board Electrical Schematic 2 of 4 25
3. and S apparent power are displayed along with the voltage current crest factor and power factor are also displayed MAXIM 78M6610 LMU Device Direct Configuration Command Register Calibration Power Energy Fundamental Min Max Alarms Monitor B C 116 1774444590 116 1679029464 120 9873999357 13 78995776176 13 76255750656 NA 1601 033830642 1598 517256975 24 73239302635 12 47950196266 27 45172381401 22 45038151741 1599 972337494 1597 718155384 33 5 89224410057 1 395172119140 1 401168823242 NA 0 999962568283 lo 999843358993 0 730078458786 NA NA NA Use pem 16 Rev 1 78M6610 LMU Evaluation Kit User Manual 5 1 8 Energy Tab The Energy tab displays the accumulated power both into and out of the load The pull down menu is used to select the channel that is being displayed A B or C and update is used to update the displayed data MAXIM 78M6610 LMU Device Direct Configuration Command Register Calibration Power Positive Negative Net 450 9999999764 NA 86 99999999546 NA 484 9999999747 5 1 9 Fundamental Tab The Fundamenial 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 JE MAXIM 78M6610 LMU Device Direct Configuration Command Register Calibration Power Energy Fundamental 8 Harmonic Fundamental Hatmonic 2
4. Figure 5 78M6610 LMU Evaluation Board Electrical Schematic 3 Of 4 26 Figure 6 78M6610 LMU Evaluation Board Electrical Schematic 4 of 4 27 Figure 7 78M6610 LMU Evaluation Board PCB Top View nennen nnne nennen 30 Figure 8 78M6610 LMU Evaluation Board PCB Bottom View 31 Rev 1 3 78M6610 LMU Evaluation Kit User Manual 1 Introduction The 78M6610 LMU evaluation kit EV kit demonstrates the capability of the 78M6610 LMU for monitoring a single phase or split phase AC load using up to two voltages and two currents sensors included The 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 11 Ordering Information PART TYPE 78M6610 LMUEVK1 Evaluation Kit Denotes a RoHS compliant device that may include lead that is exempt under the RoHS requirements 1 2 Package Contents The 78M6610 LMU EV kit includes the following e 78M6610 LMU Evaluation Board e Two 20A Current Transformers 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 Coefficien
5. 3 1 1 Jumper and Switch 2 0 4440 0 8 3 1 2 Device Configuratio Nsei eee ee eee d rete ane 8 3 2 Single Multiphase Measurements Using 9 3 2 1 Jumper Position Changes enne 10 3 2 2 Device CONTIQUIATION ere d ete aed 10 3 3 Pseudo lsolated Single Phase Measurements Using 5 21 3 3 1 Jumper Position 1 23 3 3 2 Device Configuration etal ee ed Ea a ode 23 4 Hardware Setup Digital cesser eese 11 4 1 USB Interface E A EE EE n o kane 11 42 Ro 485 Intenace tenet ameta tet rei ee a 12 5 Graphical User Interface GUI 13 5 1 GUI e eite sieut 13 EM 13 551 2 eR 14 51 3 Direct iet etiam n 14 514 Contig tration e ine ede ER Mer REI 15 5 1 5 Command Register eene nsns nnns nnns 15 5 46 Calibration Tab ie e en eate tak adi 16 5 17 Tab itenim teint tinte es 16 51 8 Energy
6. 78M6610 LMU Sensor Slot 1 49 Jumper Description 49 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference Installed 3 1 2 Device Configuration Use the Configuration tab to map the sensors as shown in the table below Re enter the gain value as needed for the shunt resistor into the S1_GAIN register Voltage Current VA 50 0 IA S1 0 VB IB VC Pre Amp 1X 1 8 Rev 1 78M6610 LMU Evaluation Kit User Manual 3 2 Single Multiphase Measurements Using CTs In this diagram the on board relays are also wired in series to demonstrate load control NOa PRON gt Line 1 Connect AC source eval E ion b N N Line 1 Load Line 2 Load Figure 2 78M6610 LMU Evaluation Board Connections Connect the AC source Neutral to J15 and the load s Connect the AC source Line 1 to J2 and to J19 Relay1 through the Line 1 CT Connect J20 Relay1 to Line 1 load Connect Line 1 CT s secondary to J14 burden resistor Connect the AC source Line 2 to J4 and to J31 Relay2 through the Line 2 CT Connect J30 Relay1 to Line 1 load Connect Line 2 CT s secondary to J10 burden resistor Rev 1 78M6610 LMU Evaluation Kit User Manual 3 2 1 Jumper Position Changes Move J23 and J24 jumpers to position CT to use CT2 for sensor slot S1 J23 Jumper Description J23 Pins Description Jump
7. Rev 1 78M6610 LMU Evaluation Kit User Manual 3 Hardware Setup Sensor Interface The 78M6610 LMU EV board can be provisioned in multiple configurations This manual covers common setups for using a shunt shunt with CT or two CTs The board is provisioned and calibrated for the following configuration to retrieve the gain value of the shunt printed on a label located on the bottom of the board 3 1 Simple 2 Wire Single Phase Measurements Using Shunts AC source T Connect USB port e to PC B B B gt A MARIM 5 i ue Neutral ae m 78M5510 LMU Load ET a Figure 1 78M6610 LMU Evaluation Board Connections 1 Connect the AC source Neutral output to J15 2 Connect J8 to Load s Neutral input 3 Connect the AC source Line 1 output to J2 and to Load s Line 1 input Rev 1 7 78M6610 LMU Evaluation Kit User Manual 3 1 1 Jumper and Switch Descriptions The following tables describe the default position of the EV board jumpers and switches for using the on board shunt current sensor at sensor slot S1 J23 Jumper Description J23 Pins Description Jumper 1 2 Connect J15 SHUNT to 78M6610 LMU Sensor Slot 1 Installed 2 3 Connect J10 CT2 to 78M6610 LMU Sensor Slot 1 J24 Jumper Description J24 Pins Description Jumper 1 2 Connects J8 SHUNT to 78M6610 LMU Sensor Slot 1 Installed 2 3 Connects J10 CT2 to
8. Updated ordering part number 4 32 Rev 1
9. to SIP100P2 J22 1 when USB cable is attached to J21 UGND Figure 7 78M6610 LMU Evaluation Board Electrical Schematic 4 of 4 Rev 1 27 78M6610 LMU Evaluation Kit User Manual 7 2 Bill of Materials Item Quantity Reference Part PCB Footprint 1 12 22 O 1uF 0603 2 4 C3 C20 C21 C27 10uF 0805 3 7 C4 C9 C12 C10 C13 C14 C15 1000pF 0603 4 4 C5 C6 NC 0603 5 2 C18 C19 18pF 0603 6 1 C25 0 033uF 0603 7 1 C30 1uF 0603 8 2 D5 D6 Green LED 0603 9 2 D7 D8 BAS16W SOT323 SOT 323 AC 10 10 J2 J4 J5 J8 J11 J15 J19 J20 J30 J31 CON4 STERM 11 5 J3 J6 J13 J25 J26 CON1 SIP100P1 12 1 17 CON13 SIP100P13 13 5 J9J27 J28 J29 J38 CON2 SIP100P2 14 2 J10 J14 TERM BLK 200 2 TERM BLK 200 2 15 5 J12 J17 J18 J23 J24 CON3 SIP100P3 16 1 J16 6 SIP100P6 17 1 J21 CON6 USBB 18 1 J22 CON4 TERM BLK 200 6 19 2 J24B J24A CON11 SIP100P11 20 6 J32 J33 J34 J35 J36 J37 CON1 sm pad 21 1 LED2 AMBER 0603 22 2 LED4 LED5 RED 0603 23 1 LED6 BLUE 0603 24 1 LED8 YELLOW 0603 25 2 Q1 Q2 MMBTA13 SOT SOT 23 26 2 RL1 RL2 16A 5V SPDT ALZ 27 6 R2 R6 R7 R8 R14 R41 470 0603 R3 R25 R33 R36 R37 R38 R39 R42 R43 R 28 13 53 R54 R72 R73 10K 0603 29 R9 R10 R16 R17 1M 0 196 1206W 30 R11 R15 750 0 196 0603 31 R12 R18 R19 R40 R45 R49 0 0603 32 9 R21 R34 R56 R57 R58 R77 R78 R79 R80 1K 0603 33 4 R24 R28 R29 R32 750 1 0603 34 1 R26 0 004 1 2 5W 2512P 35 2 R
10. 0 RESET S SI S s S S S S S S S S S S S S S g 2000000000000000090909000 209090090900009090090900 20009009090000090090000000 8 0909000090000090090000000 20000000000000000900909000 18 Rev 1 78M6610 LMU Evaluation Kit User Manual 5 1 12 Monitor Tab The Monitor tab is a running record of all the communications between the GUI and the target 78M6610 LMU A log file can be generated to save the transactions for later analysis EE MAXIM 78M6610 LMU Connection Saar 551 Device Direct Configuration Command Register Calibration Power Energy Fundamental Min Max Alarms Monitor Open Log File B TX RX TX RX RX TX RX TX RX TX RX TX RX TX RX RX Rev 1 19 78M6610 LMU Evaluation Kit User Manual 6 Alternate Sensor Configurations 6 1 Split Phase Using Shunt On Neutral and One CT On Line In this configuration neutral is measured instead of Line 2 Results for Line 2 are indirectly calculated from the measurements on Line 1 and Neutral AC source Connect USB port to PC Line 1 a 9 oa MAXIM S Neutral 78M6610 LMU 29 vi 30 B eo Connect the AC source Neutral output to J15 Connect J8 to Lo
11. 0 6148 120 7195 0 2736 0 2753 24 6131 24 4541 21 9932 22 5021 Update Update 5 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 the most recent measurements are updated using the get buttons All the measurements are reset with the reset button 78M6610 LMU Device Direct Configuration Command Register Calibration Power Energy Fundamental Miw Max Alarms Monitor 121 403966427 121 643140316 0 0 0 0 0 Get All Min Max Rev 1 17 78M6610 LMU Evaluation Kit User Manual 5 1 11 Alarms Tab The Alarms 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 78M6610 LMU Data Sheet MAXIM 78M6610 LMU Info 551 Device Direct Configuration Command Register Calibration Power Energy Fundamental Min Max Alarms NAME STATUS STICKY ee MASKO 5 4 MASK6 5 7 5 10 23 ORDY 22 MMUPD I 21 VA SAG 20 VB SAG 18 SIGN VA d 18 SIGN 17 OV_TEMP 16 UN TEMP 15 FREQ 14 UN FREQ 13 VRMSA 12 UN VRMSA 11 0 VRMSB 10 UN VRMSB 9 VA SURGE amp VB SURGE 7 OV_WATT1 5 WATT2 5 OV_AMP1 4 OV_AMP2 3 XSTATE 2 RELAY 1 RELAY2
12. 0 LMU to RS485 transceiver U11 J17 Jumper Description J17 Pins Description Default 1 2 Connect USB Controller to isolation IC U7 Installed 2 3 Connect RS485 transceiver to isolation IC U7 J18 Jumper Description J18 Pins Description Default 1 2 Connect USB Controller to isolation IC U7 Installed 2 3 Connect RS485 transceiver to isolation IC U7 J24A J24B Jumper Description J24A B Pins Description Default 1 1 Connects MP0 to LED4 Installed 2 2 SDO TXD SDAo 3 3 SDI RXD SDAi 4 4 SPCK ADDRO 5 5 Connects MP4 to LED5 Installed 6 6 SSB DIR SCL 7 7 Connects MP6 ADDR1 connection to LED2 Installed 8 8 Connects MP7 connection to LED8 Installed 9 9 IFCO 10 10 Connects MP10 connection to LED6 Installed 11 11 IFC1 Rev 1 78M6610 LMU Evaluation Kit User Manual J27 Jumper Description J27 Pins Description Default 1 2 Enable on board RS485 termination resistor J28 Jumper Description J28 Pins Description Default 1 2 Connect USB Controller to isolation U7 Installed J29 Jumper Description J29 Pins Description Default 1 2 Connect USB Controller to isolation U7 Installed J38 Jumper Description J38 Pins Description Default 1 2 Enable on board RS485 termination resistor 4 2 Isolated RS 485 Interface The board also includes an isolated RS 485 interface as an alternative to the USB interface The 78M6
13. 17 ADS RESETB 0 1uF 1K 1K SIP100P2 16 Ap UsBDM 8 USBDM z 300 Y 00 0603 0603 2 0603 J29 2 15 usepP 7 USBDP 3 12 AC RSTOUTB RSTOB Rr lt 4 ale SSBF 11 2 2K 10 1 6 1 16 10 0603 0805 t MISOF SUNUR 445 3458 1 ND MISOin 3 MISOout 1 MOSIF 7 40 43 R56 1K N2 loui 1 39 ad R50 UGND 0603 5 MOSlin R49 38 1M 2 SCKout 5 TT SCKin 1 0 37 0603 OUT4 1 0903 BD3 dd zE SPEK 81 NC NCLg ES BD4 XTOUT y m SCK SPCK lt GND 25 898 GND U7 32 pp CSTCR 1L516 3E 30 1 221 48 SND REWORK 8 int Ly Tl pear 1K VDD2 a 26 9999 test 47 0603 S OUT2 CONS 6666 lt 10K END 1 U3 0603 SSB V3P3 RS485 SPI 2232 ka SSB TXEN SSB Us 3 TOFP S 38Po F R55 ca T 1L510 3E Select J12 NC pores UGND CON3 0603 0603 RS485 O 1uF Jm 1 SSBout GND CON3 TXen ig 1 RS485TXEN 558 2 RS485 SPI Select Select R54 10K 0603 GND R59 5 120 SVIN 0805 7 2 138 C30 c0 T CON2 o tuF SIP100P2 0603 0603 i 14 RS485RX ae 719 RS485TXENout RS485TXENout DE SVIN 1 J22 7 RE 1 RS485A CON4 Di EN 72 254858 3 5 RS485Z 41 7 GND Y wc 8 R52 RS485Y 5 RS485 120 5 un 0805 x MAX13433EESD 2 127 T CON2 Do NOT apply 5VDC
14. 27 R35 2K 0603 36 2 R46 R47 2 2K 0603 28 Rev 1 78M6610 LMU Evaluation Kit User Manual Item Quantity Reference Part PCB Footprint 37 1 R50 1M 0603 38 2 R52 R59 120 0805 39 2 R69 R70 Rburden 0805 40 2 R71 R75 10K 41 2 R55 R76 O NC 0603 42 1 SW1 PUSHBUTTON SMD SMT Tab 43 2 SW4 SW5 SW DIP 2 DIP4 44 1 U1 78M6610 LMU B TQFN24 45 1 U3 FT2232C TQFP48 46 1 U7 IL516 3E SO 16 NARROW 47 1 U8 IL612A IL611A 48 1 U11 MAX13433EESD SO 14 NARROW 49 1 VR1 3 3V 500mA SOT223 50 1 VR2 VBT1 5V VBT1 51 1 Y1 20 00MHz ABLS 52 1 Y2 CSTCRG6MOO CSTCR Rev 1 78M6610 LMU Evaluation Kit User Manual 7 3 PCB Layout MP4 LE MP5 LE LE MPO10 LE Isolation amp m 721835 Barrier mw 2 5 78M66104LMU OUT FROM 35 331 230 FROM 211 1 MEM Figure 8 78M6610 LMU Evaluation Board PCB Top View 30 Rev 1 78M6610 LMU Evaluation Kit User Manual Figure 9 78M6610 LMU Evaluation Board PCB Bottom View Rev 1 78M6610 LMU Evaluation Kit User Manual 8 Contact Information For more information about Maxim Integrated products or to check the availability of the 78M6610 LMU contact technical support at www maximintegrated com support Revision History REVISION REVISION PAGES NUMBER DATE DESCRIPTION CHANGED 0 2 13 Initial release 1 7 13
15. 610 LMU serial UART is connected to the RS 485 transceiver Refer to the IC data sheet for details on the serial protocol gt Move J12 J17 and J18 jumpers from position 1 2 to position 2 3 to connect the RS 485 transceiver instead of the USB controller The USB cable provides power to the EV board when connected to the PC If the USB cable not being used 5VDC power must be provided at J16 pins 1 and 6 5V and ground respectively Do not supply power to JJ16 pint AND connect the USB cable to the PC J22 RS 485 Connector Pin Assignment 4 3 Isolated UART SPI Interfaces The native host interfaces of the 78M6610 LMU are made available on the isolated side of the barrier at J16 J22 Pin Number Pin Name Pin Description 1 5VDC Connect to external source 2 Data P Tri state Bi directional 3 Data N Tri state Bi directional 4 GND Connect to external source 12 Rev 1 78M6610 LMU Evaluation Kit User Manual 5 Graphical User Interface GUI A graphical user interface GUI is included on the 78M6610 LMU EV kit CD to facilitate quick evaluation of the 78M6610 LMU 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 fro
16. 8 8 e Yi MPO 5 6 For 1 2 w 91 sse R38 lt R36 49 m u1 5 0 NC 10K4 40k CON2 78M6610 LMU osc C18 C19 06037 0603 SIP100P2 1 TOFN24 Tex 18pF 18 sr GND 0603 0603 NA GND GND 2 J10 1 R70 CONT 292 1 7 Rburden 1 V3P3A CON1 R72 R73 10K 10K 55 Sw4 R32 SW DIP 2 SWDIP 2 750 1 0603 t 5 R69 V3P3A 1000 J14 1 Rburden 0603 S3 2 Cid R79 R80 R78 R77 1000 1K 1K 1K 1K 0603 R29 GND 750 1 0603 Figure 4 78M6610 LMU Evaluation Board Electrical Schematic 1 of 4 24 Rev 1 78M6610 LMU Evaluation Kit User Manual J24B lt m 4 4t CON11 AN MPO 00 EROR 2x11 MP4 Jumper SSB Matrix MP6 MP7 IFCO MP10 IFC1 LED4 R6 NT RED 470 Q9 0603 MPOL R7 NT RED 470 QU 0603 0603 MP4L V3P3 R2 NT AMBER 470 0603 J24A 0603 CON11 MP6L V3P3 1 2 LED8 3 R14 YELLOW 4 470 Q9 0603 5 0603 6 8 9 LED6 10 R8 NT BLUE 11 470 QU 0603 603 MPO10L V3P3 Figure 5 78M6610 LMU Evaluation Board Electrical Schematic 2 of 4 Rev 1 25 78M6610 LMU Evaluation Kit User Manual J20 1 L2 4 Green LED 0603 4 RL1 16A 5V SPDT ALZ BAS16W SOT323 GND Remove R21 and R34 if the relays are not needed and DIOO and DIO10 are used for other purposes Green LED 0603 RL2 16A 5V SPDT J31 BAS16W SOT323 GND Figur
17. ad s Neutral input Connect the AC source Line 1 output to J2 and to Load s Line 1 input Feed Line 1 through the CT Connect Line 1 CT s secondary to J14 burden resistor Connect the AC source Line 2 output to J4 and the Load s Line 2 input 1 2 3 4 5 6 20 Rev 1 78M6610 LMU Evaluation Kit User Manual 6 1 1 Jumper Position Changes Move J23 and J24 jumpers to position CT to use CT2 and remove jumper at 9 J23 Jumper Description J23 Pins Description Jumper 1 2 Connect J15 SHUNT to 78M6610 LMU Sensor Slot 1 Installed 2 3 Connect J10 CT2 to 78M6610 LMU Sensor Slot 1 J24 Jumper Description J24 Pins Description Jumper 1 2 Connects J8 SHUNT to 78M6610 LMU Sensor Slot 1 Installed 2 3 Connects J10 CT2 to 78M6610 LMU Sensor Slot 1 49 Jumper Description J9 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference Installed 6 1 2 Device Configuration Use the Configuration tab to map the sensors as shown in the table below Re enter the gain value for CT2 located on bottom of board into the 51 register if needed Voltage Current VA 50 0 IA 0 S3 VB 0 52 51 53 VC 50 S2 Pre Amp 1X 51 1X 53 Note The values for VC and IB will not be displayed correctly on the Power tab of the provided GUI due to the increased full scale values of VC and IB Reported results for measurements derive
18. d from VC and 18 will be one half the expected magnitude Rev 1 21 78M6610 LMU Evaluation Kit User Manual 6 2 Pseudo Isolated Single Phase Measurements Using CTs In this diagram the two voltage inputs are used to measure a single 2 wire interface for a high impedance resistive isolation between AC and the 78M6610 LMU Line Connect Neutral USB port to PC 78 6510 L MU Figure 3 78M6610 LMU Evaluation Board Connections Connect the AC source Neutral to J4 and the load s Connect the AC source Line to J2 and to J19 Relay1 through the Line 1 CT Connect J20 Relay1 to Line 1 load 4 Connect Line 1 CT s secondary to J14 burden resistor on gt measuring a second load 5 Connect the AC source Line to J31 Relay2 through the Line 2 CT 6 Connect J30 Relay1 to Line 1 load 7 Connect Line 2 CT s secondary to J10 burden resistor 22 Rev 1 78M6610 LMU Evaluation Kit User Manual 6 2 1 Jumper Position Changes Move J23 and J24 jumpers to position CT to use CT2 and remove jumper at J9 J23 Jumper Description J23 Pins Description Jumper 1 2 Connect J15 SHUNT to 78M6610 LMU Sensor Slot 1 2 3 Connect J10 CT2 to 78M6610 LMU Sensor Slot 1 Installed J24 Jumper Description J24 Pins Description Jumper 1 2 Connects J8 SHUNT to 78M6610 LMU Sensor Slot 1 2 3 Connects J10 CT2 to 78M6610 LMU Sensor Slot 1 In
19. e 6 78M6610 LMU Evaluation Board Electrical Schematic 3 of 4 26 Rev 1 78M6610 LMU Evaluation Kit User Manual 5VUSB Optional External I2C or SPI Isolation R40 c22 J16 0 CONG 0603 0603 SIP100P6 VR2 SVIN VBT1 5V USB 42 lt R43 5VISO 5 2 5VIN 10K 10K 23 5780 lt lt Your VIN CH SIP100P2 2 0608 2 ZZ SPI amp 20 4 tale 1 10uF J28 CON2 0603 10uF VOND S 9289 en 0805 UART Se 445 3458 1 ND a NR C25 __ 8 85 8 lt 24 apo 2 41 0 033 GND RXFTDI 23 99 gt gt lt 0603 J21 22 Apo avsour 0583 R46 CON6 SVIN R45 21 _ SND 22 USBB V3P3 C26 0 20 0603 0 1uF 0603 19 4 500 ma Max C28 0603 R58 R57
20. er 1 2 Connect J15 SHUNT to 78M6610 LMU Sensor Slot 1 2 3 Connect J10 CT2 to 78M6610 LMU Sensor Slot 1 Installed J24 Jumper Description J24 Pins Description Jumper 1 2 Connects J8 SHUNT to 78M6610 LMU Sensor Slot 1 2 3 Connects J10 CT2 to 78M6610 LMU Sensor Slot 1 Installed 49 Jumper Description J9 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference Installed 3 2 2 Device Configuration Use the Configuration tab to map the sensors as shown in the table below Re enter the gain value as needed for CT2 into the 61 GAIN register Voltage Current VA S0 IA S1 0 VB 0 52 IB 0 53 VC 50 S2 Pre Amp 1X 51 1X S3 Note The values for VC will not be displayed correctly on the Power tab of the provided GUI due to the increased full scale value of VC Reported results for measurements derived from VC will be one half the expected magnitude 10 Rev 1 78M6610 LMU Evaluation Kit User Manual 4 Hardware Setup Digital Interface 4 1 Isolated USB Interface Switch Description Description Default IFCO Open SW4 Sets host interface mode upon reset IFC1 Closed SW5 Sets device address upon reset UART I C modes Both Closed J12 Jumper Description J12 Pins Description Default 1 2 Connect 78M6610 LMU to USB Controller U3 Installed 2 3 Connect 78M661
21. imal formats are supported E MAXIM 78M6610 LMU Connection Info SSI Direct Configuration Command Register Calbrabon Power Energy Fundamental Min Max Alarms Montor Command Register ADDR DATA ADDR Hexadecimal 0 0x00000030 Hexadecimal 0 0 Decimal 0x00 48 Decimal 0x00 0 Get Command Register Set Command Register RESPONSE Rev 1 15 78M6610 LMU Evaluation Kit User Manual 5 1 6 Calibration Tab The Calibration tab is used to configure and execute calibration commands The calibration targets can be viewed and changed and the scaling parameters are also displayed for convenience The calibration and NVRAM are also saved using the provided button E MAXIM 78M6610 LMU Device Direct Configuration Command Register Power Energy Fundamental Min Max Alarms Monitor Calibration Options Calibration Targets Scaling Calerate Votage 50 5 119 9999 Vols 667 Voks E Calibrate Voltage 52 Se 7 Ane wx Coa so Anp 17 Calibrate Curent 53 Temperature 22 C Energy Bucket 0 99999999 Walt Hours Calbrate Offset Calibialion Seting C omemand Calibrate Temperature CydestoAvg Set 5 Cycles Csa Temp Compensation Calbrate Save Calbration Nor Volatile Memory 5 1 7 Power Tab The Power tab displays the current power being consumed by the loads P active power Q reactive power
22. in Max Monitor Ferweare Version 6610 4LNU Released 7 4 2012 Temperature 22 177734375 Line Frequency 59 9812469482422 Update 5 1 3 Direct Tab The Direct tab allows read and write access to all the byte addressable registers documented in the data sheet 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 F MAXIM 78M6610 LMU Connection m Info SSI Device Drect Configuration Command Register Calbration Power Energy Fundamental ADDR RAW DATA SCALE FACTOR ACTUAL VALUE Hex 81 0 175381 129 1528705 Signed 1528705 7 9513E 5 1 2155 2 Vols 14 Rev 1 78M6610 LMU Evaluation Kit User Manual 5 1 4 Configuration Tab The Configuration tab is used to set up the sensor interface Once this is done it can be saved to NVRAM for future use or programmed to a user defined configuration and saved See the Calibration tab for saving the settings E MAXIM 78M6610 LMU Connection Info SSI Device Direct Configuration Command Register Calibration Power Energy Fundamental Min Max Alaems Md Voltage Current o 9 sa hxsi Set Get Config 5 1 5 Command Register Tab The Command Register tab is a read write control tab for manual operation of the command register 0x00 Hex and dec
23. lities subdirectory For driver support on other operating systems refer to the FTDI website at www ftdichip com 211 Confirm COM Port Mapping e Launch the Control 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 Mice and other pointing devices Network adapters B PCMCIA adapters Ports COM amp LPT 27 USB Serial Port COM24 27 USB Serial Port 25 Me gt SB Processors SB Secure Digital host controllers XQ Smart card readers Sound video and game controllers System devices Universal Serial Bus controllers 2 1 2 FTDI Port Trouble Shooting If the device driver did not install properly there would be no assigned COM port number for the 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 6
24. m the Microsoft website prior to launching the GUI 5 1 GUI Initialization The GUI is self explanatory when used with the 78M6610 LMU Data Sheet The user however should note the following about the EV kit hardware e Serial COM Port gt Following the installation instructions in Section 2 launch the GUI executable Click the Connection pull down menu and select Connect EE MAXIM 78M6610 LMU Info i 551 Device Direct Configuration Command Register Calibration Power 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 EE MAXIM 78M6610 MU MAR COM Port Baud Rate Y 5 1 1 SSI Tab 55110 gt Click the SSI tab Use the SSI ID number set by DIP switch 5 1 and 2 closed by default and click Set Target Upon successful communication with the EV kit a message appears in the message box EE MAXIM 78M6610 LMU Connection Info Set Target Release Target Scan For Target Device Adddress Ox 02 Rev 1 13 78M6610 LMU Evaluation Kit User Manual 5 1 2 Device Tab The Device tab shows to current firmware build as well as the temperature and line frequency being measured MAXIM 78M6610 LMU Connection SSI Device Direct Configuration Command Register Calbeation Power Energy Fundamental M
25. maxim integrated 78M6610 LMU Evaluation Kit User Manual July 2013 Rev 1 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 2013 Maxim Integrated Products Inc Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products Inc 78M6610 LMU Evaluation Kit User Manual Table of Contents 1 ep 4 1 1 Orderinginformation s t es weet teehee eerte duas 4 1 0 Package Contents eie ht tes 4 1 3 System Reg ire Ments etit 4 1 4 Safety and ESD Notes Eo Ee bate 5 1 5 Testing the 78M6610 LMU EV Board Prior to 5 2 USB neret tentent ED DEER rare al 6 2 1 1 Confirm COM Port 6 2 1 2 FTDI COM Port Trouble Shooting sese 6 3 Hardware Setup Sensor Interface 7 3 1 Single Phase Measurements USING 7
26. rrent Line Frequency 10 300 VAC 10 mA 20A 46 64 Hz 1 5 Testing the 78M6610 LMU EV Board Prior to Shipping Before every kit is shipped the board and sensors undergo a single load point calibration using precise energy source equipment The device temperature is also calibrated at the same time Results printed out on paper and included with the EV kit Rev 1 78M6610 LMU Evaluation Kit User Manual 2 USB Driver Installation This EV kit includes an isolated USB interface for serial communications with a PC The FTDI USB controller FT2232 performs the USB functions FTDI Windows driver presents a virtual COM port for enabling serial communications Windows driver is a certified driver for Windows XP and Windows 7 Upon attaching the 78M6610 LMU 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 and 78M6610 LMU is powered from the USB cable and is active when no AC power is applied to the sensor interface of the 78M6610 LMU 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 Uti
27. stalled 49 Jumper Description J9 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference 6 2 2 Device Configuration Use the Configuration tab to map the sensors as shown in the table below Re enter the gain value for CT2 located on bottom of board into the 51 register if needed Voltage Current VA 50 S2 IA 0 S3 VB 50 S2 IB 51 0 VC Pre Amp 1X 51 1X 53 Note The values will not be displayed correctly on the Power tab of the provided GUI due to the increased full scale value of the voltages Reported results for measurements will be one half the expected magnitude Rev 1 23 78M6610 LMU Evaluation Kit User Manual 7 Hardware Design Information This section includes the schematics bill of materials and PCB layouts for the 78M6610 LMU EV board 7 1 Board Schematics
28. ts Document Hardcopy Only 1 3 System Requirements In addition to an AC source and load for measuring the EV kit requires a Windows PC with the following features e 1GHz processor 1GB RAM e Minimum 1024 x 768 video display resolution e Available USB port e Microsoft Windows 7 or Windows Windows and Windows XP are registered trademarks of Microsoft Corp 4 Rev 1 78M6610 LMU Evaluation Kit User Manual 1 4 Safety and ESD Notes EXERCISE CAUTION WHEN LIVE AC VOLTAGES ARE PRESENT Do not connect test equipment or external development boards directly to the non isolated portion of the 78M6610 hardware Damage to the 78M6610 and external equipment will occur due to the 78M6610 s high side reference topology The 78M6610 s V3P3 supply i e high side is connected directly to Neutral Earth Ground creating a ground reference disparity with any properly grounded external equipment ISOLATED gt gt DANGER HIGH VOLTAGE LINE N 18 WEUTRAL OUT NEUTRAL IN 9 MFOf LEDAC 1 MPA LEDSET 1 02 2 FO19 LEDSE 4 V IN LINE Rie 23 e RM gere MOE cour te L4 132 31 loses f 55 board components and firmware settings designed to operate with the following nominal AC electrical ranges Voltage Cu
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