78M6618 PDU1Evaluation Board User Manual
Contents
1. V6P6 NEUTRAL GND NEUTRAL T NC R10 DS NC R113 i vara 12 UNE D gt V NEUTRAL LED Green NUD3112T1GOSCT ND 1 2 NEUTRAL gt gt 0603 LED DigiKey 475 1409 1 ND 14 2K NUD3112 50 K RELAYS 4 1 3 12VDC gt gt 13 enD gt 1 TON pin 0603 STERM eed A Pew E IS 534 8191 a RLS R92 R93 P E 1 r 16A 12V SPDT Low Profile 7 5K I 2 ale ALZ i 0603 75K 1 2 T 1 Vara 3 at lel 255 1446 ND 0603 lt Elos ca cat 4 J57 R39 MAX4494 SO C51 1000pF 047UF RN TI 5 W 0603 0 10F 0803 uns 0603 cont 1 2512P 7 J16 Line Black T MS 66 ULR25ROOSFLFTR el gt gt OUTCURS 1 CON4 358 6 R40 STERM el 750 IS 534 8191 NeutralWhite CON1 E Neutralt White V3P3 0603 LED 1 0603 0603 xe vero 2 7 5K 735K our L 9 1 3 Egnd Green il R91 R90 0603 T 4 1 i 0603 ais a P x 2K D6 NUD3112 SOT RLY6 R42 317 e FA aus T T CON4 55 16A 12V SPDT Low Profile R96 R97 0603 vero STERM ri pl 7 5K 75K C22 IS 534 8191 Ed al 255 1442. LINE R16 DigiKey 475 1409 1 ND 13 UNE 2K D1 LED Green NEUTRAL 0603 1 3 NEUTRAL 1 gt nzvoco nn E cd 13 12vDC gt gt Tio K RELAY1 4 LED NUD3112 S0 NUD3112LTIGOSCT ND R17 Donn 3 10K J7 eld A 0603 CON4 RL R75 R76 75K GND cis GND STERM Fi T 16A 12V SPDT Low Profile 7 5K 34 8191 4 ALZ 0603 0603 4 o V3P3 1 aal dal 255 1446 ND A has Cir C37 2 J49 MAX4494 S0 QUE 1000pF 047UF 3 d Rig KH s 0603 0603 4 CON 4 OUTLET 0005 OUTCUR1 1 Line Black 251pP e up OUTOURA a 350 MS 66 ULR25ROOGFLFTR R20 J8 a 750 cons Neutral White CON1 Neutralt White P L 0603 TAB MS 534 8191 R74 R73 vss V6P6 D2 0603 1 Eand Green 7 5K 75K gt LED iu 2 0603 0603 dur Z 4 T T RLY2 0603 A 1 Qn je RL2 Tr 1 NUD3112 80 4 ya al 16A 12V SPDT Low Profile R79 R80 75K V6P6 CON4 4 ALZ 7 5K 0603U4A c18 c38 STERM da ma 255 1446 ND 0603 1000pF O47uF MS 534 8191 J51 MAX4494 SQ 0603 0603 1 R81 3 a 2 CON1 izi OUTLET2 0005 1 OUTCUR2 3 Line Black 2512P a id ames e D gt oumum 1 4 J52 MS 66 ULR25R006FLFTR R25 0 12VDC 750 E Neutral White CONT due Neutral2 White KAJA 0603 R27 012 J10 T 2K D3 NUD3112 SOT CON4 R78 R77 STERM E
3. 20 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Altemate 12C Master J37 SM Bus OneNet PacketPower bit bang SPI for Pins interface EEPROM V3P3 c25 DIO16 noconnect CE CSN 12 NEUTRAL T 0 1uF DIO19 noconnect SLE TRXCE c27 C26 0603 DIO43 noconnect SDATA PWRUP 1uF O tuF GND DIOS SMBRXD SREAD MISO SDI SDA 0603 0603 DIO4 SMBCLOCK SCLK SCK CLK SCL 810 C1608X5R1C105M GND DIO3 SMBTXLOB INT DR sDO S A o DIO1 SMBCKHDB DATAIO MOSI csz DIO2 SMBALTRB DATACLK CD E va DIO18 noconnect GND TXEN SER DIO17 noconnect GND no connect GND 49 gt 0 9 RESET E S m Optional Reset Switch s vapa i DIO4 SWI EVO PIXOSM Panasonic SDcK D104 SEG24 HZ pios 1 CON2 Ren VK SDATA DIOS SEG25 C28 1000pF V3P3 ICE inputs become DigiKey 475 1409 1 ND LCD seg drivers 1 when ICEE low DigiKey 160 1184 1 ND ACTIVE J38 2 R 4 P TOLK ERXIXISEGO oni E a t E MEER ALT 5 TCEEN 36 ERST SEG11 D10 N D1 X 6 IGEE 16 DIOS TPS DIO3 TP D dug DIO7 SEG27 29 SREPINE a Must use isolated USB hub 0603 TP 1 DIOB SEG28 43 PEE A mE m DIO9 SEG
4. Enter key on the PC The evaluation board should respond with a gt prompt You should also be able to identify the firmware version programmed into your board If communication is not established with the evaluation board check the following 1 Make sure that 12VDC is supplied to the board through J48 2 Make sure that the terminal emulation program is using the correct COM port 3 Check the serial port configuration against the configuration given in the Firmware Description Document Rev 3 11 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 Disconnect a Hyper Terminal TSC 7846618 PDU S8 URT v1 00 Apr 16 2010 c 2009 Teridian Semiconductor Corp All Rights Reserved CE6618 PDU S8 R01 VO 2 gt Auto detect 38400 6 N 1 Figure 2 Serial Port Verification Screen 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 Refer to Section 2 3 for access to the Device Manager If a Ball Point device exists delete it and unplug and replug the evaluation bo
5. 85 0603 ar TP3 gu Wh E SIP100P2 U1 2 dg Pulse Output 78M6618 68QFN OFN68 TERIDIAN SEMICONDUCTOR CORP fille Power Distribution Unit 8 Outlet Differential Current Single Phase Donn Size Document Number B Date Tuesday May 10 2011 Eheet 4 of 4 Figure 12 78M6618 PDU1 Evaluation Board Electrical Schematic 4 of 4 Rev 3 21 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 5 2 78M6618 PDU1 Evaluation Board Bill of Materials Reference C1 C3 C15 C25 C26 C32 C33 Table 2 78M6618 PDU1 Evaluation Board Bill of Materials PCB Footprint Digi Key MS Mouser Part Number Manufacturer ES 1 15 C45 C46 C47 C48 C49 C50 0 1uF 0603 399 5089 1 ND C0603C104K5RACTU KEMET Yes C51 C52 2 3 C2 C30 C35 10uF 25V 2312 399 3734 1 ND T491C106K025AT KEMET Yes 3 1 Cc 0603 DNP 4 1 C5 100pF 0603 445 1281 1 ND C1608C0G1H101J TDK Corporation Yes C6 C8 C17 C18 C19 C20 C21 Yes 5 11 res C4 C29 1000pF 0603 445 1298 1 ND C1608X7R2A102K TDK Corporation vem 6 1 C7 33pF 0603 399 1055 1 ND C0603C330J5GACTU KEMET Yes 7 1 c9 9pF 0603 445 5046 1 ND C1608COG1HO90C TDK Corporation Yes 8 1 c12 1uF 25V 1206 311 1356 1 ND eee xu aa ii Yageo Yes 9 1 c13 dier 19 SMD 493 2278 1 ND UUD1E221MNL1GS Nichicon Yes 10 3 C14 C27 C36 1uF 0603 0603 490 3897 1 ND EAM QU Murata Yes 11 1 c31 4 7uF 120
6. 1 GHz 1 GB with Microsoft Windows 7 Windows XP or Win2000 equipped with USB port e Minimum 1024 x 768 video display resolution Teridian is a trademark of Maxim Integrated Products Inc Windows and Windows XP are registered trademarks of Microsoft Corp Rev 3 5 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 1 3 Safety and ESD Notes emm EXERCISE CAUTION WHEN LIVE AC VOLTAGES ARE PRESENT 78M6618 PDU1 contains ESD protected interfaces Standard ESD precautions must be taken when handling electronic equipment The Do not connect test equipment ICE emulators or external development boards directly to the 78M6618 hardware Damage to the 78M6618 PDU1 and external equipment will occur due to the 78M6618 s high side reference topology The 78M6618 s V3P3 i e high side is connected directly to Neutral Earth Ground and the ground is 3 3V below neutral creating a ground reference disparity with any properly grounded external equipment Also reversing the line and neutral connections at the inlet would place the board s ground reference at the AC line voltage Always use the isolated USB interface for connecting to a PC Contact the factory for instructions on connecting other types of test equipment The board components and firmware settings are designed to operate with the following nominal AC electrical ranges Voltage Current Line Frequency 110 240 VAC 20A Max 46 64 Hz 1 4 Firmware Demo Code Introducti
7. 1298 1 ND 6 1 C7 33pF 603 399 1055 1 ND 7 1 C9 9pF 603 445 5046 1 ND 8 1 C11 220uF 25V lo imp UUDB MS 647 UUD1E221MNL 9 1 C12 1uF 20V 1206P 445 1381 1 ND 10 2 C14 C23 1uF 603 445 1328 1 ND 11 1 C29 4 7uF 1206P 478 2396 1 ND 12 1 J4 AC Inlet PX0580 MS 161 PX0580 PC 13 1 J8 Weco Tst SIP100P2 S1011E 36 ND 14 1 J9 Weco Tst RAPC712A MS 502 RAPC712x 15 9 J10 J18 J26 J33 J42 J50 J57 J66 J74 LED GREEN SIP100P2 MS 604 WP1503GD 16 8 J14 J21 J29 J37 J46 J53 J61 J70 AC Outlet PX0675 MS 161 PX0675 PC 17 1 J75 ACTIVE YELLOW SIP100P2 MS 604 WP1503YD 18 1 J76 ICE SIP100P6 S1011E 36 ND 19 1 J77 ONENET DIP100P18 S2011E 36 ND 20 1 J78 USB B USBB MS 154 2442 E 21 1 J79 DEBUG SIP100P4 1011E 36 ND 22 1 J80 SPI1 DIP100P10 S2011E 36 ND 23 1 J81 FAULT RED SIP100P2 MS 604 WP1503ID 24 8 MT1 MT2 MT3 MT4 MT5 MT6 MT11 MT12 TP MTGPS PRT MS 561 PS500A 25 8 Q1 02 03 04 05 06 07 08 NPN 500ma 30V SOT23T MS 512 MMBTA13 26 8 RL1 RL2 RL3 RL4 RL5 RL6 RL7 RL8 16A 12V SPDT ALZ 255 1446 ND 32 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Item Q Reference Part PCB Footprint Part Number 27 1 R1 16 9K 196 603 P16 9KHCT ND 28 9 R2 R1O R15 R20 R25 R30 R35 RAO R45 2K 603 P2 0KGCT ND 29 1 R3 20 0K 196 603 P20 0KHCT ND 30 2 R4 R7 750 0 1 603 P750YCT ND 31 4 R5 R6 R8 R9 1M 0 1 1206W 32 8 R11 R16 R21 R26 R31 R36 R41 R46 1K 603 P1 00KHCT ND 33 8 R12 R17 R22 R27 R32 R37 R42 R47 4
8. RS 12VDC Return LOAD One of 8 channels Figure 3 Differential PDU Block Diagram The main functional blocks of the evaluation board are the 78M6618 energy measurement SoC voltage regulators input signal conditioning and relay control 3 1 78M6618 The 78M6618 is a highly integrated IC for energy monitoring and measurement The key features of the 78M6618 include e A 21 bit delta sigma analog to digital converter ADC with 10 multiplexed analog inputs e A 32 bit digital signal processor core Compute Engine or CE e An 8 bit microprocessor core e 128 Kbytes flash memory e 32 768 kHz oscillator e Up to 19 general purpose digital I O pins DIO For detailed information on the 78M6618 refer to the 78M6618 Data Sheet 3 2 Voltage Regulators The evaluation board is powered by an external 12VDC source The on board relays for switching power to the 8 outlets are powered directly from the 12V supply Linear regulators are used to provide the 3 3V supply for the 78M6618 and external logic and a 6 6V supply for the operational amplifiers that are used to amplify the voltage from the current sense resistors Rev 3 13 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 3 3 Input Signal Conditioning Input signal conditioning includes the voltage divider used to reduce the AC line voltage to a level that can be mea
9. View errar 25 Figure 14 78M6618 PDU1 Evaluation Board PCB Power View sss 25 Figure 15 78M6618 PDU1 Evaluation Board PCB GND View sss 25 Figure 16 78M6618 PDU1 Evaluation Board PCB Bottom View ooooooccccnccccccccooncccnnncccnnnnn cnn cnnnncnnnnnnnnnnos 25 Figure 17 78M6618 PDU CT Evaluation BOard wwwwwwwwwwwwwmamanawwwwwumuwnwawewunuwu enne nnne 27 Figure 18 78M6618 PDU CT Evaluation Board Electrical Schematic 1 of 4 ii 28 Figure 19 78M6618 PDU CT Evaluation Board Electrical Schematic 2 of 4 ii 29 Figure 20 78M6618 PDU CT Evaluation Board Electrical Schematic 3 of 4 ii 30 Figure 21 78M6618 PDU CT Evaluation Board Electrical Schematic 4 of 4 ii 31 Figure 22 78M6618 PDU CT Evaluation Board PCB Top View n 34 Figure 23 78M6618 PDU CT Evaluation Board PCB Bottom View rins 35 Tables Table 1 COM Port Setup Parameters 22 20 0 deoa codon ee eren Eine ELE ne ELO PE Ee ev d 10 Table 2 78M6618 PDU1 Evaluation Board Bill of Materials sssssss 22 Table 3 78M6618 PDU CT Evaluation Board Bill of Materials ia 32 4 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 1 Introduction The Teridian 78M6618 PDU1 evaluation board is an example of a low cost power distribution unit PDU utilizing the 78M66
10. gt 12VDC 2 1 4 CON1 Neutral White MS 534 1287 ST Ja 3 SIPW2 2 5 VR2 AC Inlet J6 J7 1 AC2 HA ato ui em 3 3V 500mA PX0580 1 CONI Egnd Green ACTERM 2 NEUTRAL 1 4 0 1uF 220uF 25V lo imp MS 511 LD1117833C MS 562 PX0580 PC SIPW2 K1287 White nem ONO 0603 UUDB S0T223 MS 534 1287 ST VRI MS 647 UUD1E221MNL 4 V3P3 FSKS5 12V SN US vars FSKS5 3 a 2 7 NEUTRAL 102 1471 ND 2 c12 g vout te c13 Je 1 Jeno 1uF 20V cia FK 10uF 25V Weco Tst SY 1206P a tur 1812 RAPC712A 0603 DigiKey 478 1762 1 ND MS 502 RAPC712 Em Im Mm MT2 i MS 561 PS500A 1 Ms 561 PS500A MT3 MT4 5 i MS 561 PS500A 1 MS 561 PS500A 1 1 MTS MTS M7 MTB MIS MTO TERIDIAN SEMICONDUCTOR CORP wsseresson 1 MS 561 PS500A 14 7 6 pe a pitani 2 km ilie MT44 MT12 MTi4 MT15 MT16 1 1 1 1 Power Distribution Unit 8 Outlet Single Phase with CTs i MS 561 PS500A 1 MS 561 PS500A A T T Bize Document Number ev TERIDIAN B PDUCTVI 1 Date Monday March 01 2010 het 1 q 4 Figure 18 78M6618 PDU CT Evaluation Board Electrical Schematic 1 of 4 28 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual J11 CON1 SIPW2 J13 CON1 SIPW2 2 J14 3 AC Outlet PX0675 J16 MS 562 PX0675 PC CON1 SIPW2 J19 CON1 SIPW2 J22 CON1 SIPW2 J24 2 J21 3 AC Outlel PX0675 MS 562 PX0675 PC CON1 SIPW2 2 J29 3 AC Outl
11. 0 RN732BTTD1004B25 0603 0603 z 2 535 9166 1 ND4 Green cont 1 EGND Sa 68 XOUT S B sur LE ce E 9pF Uta 8 0603 78M6618 680FN QFN6S GND All things referenced to V3P3 for 78M6618 V3P3 connected to NEUTRAL for Safety due to SMA GND shield Note SMA GND shield is 3 3V relative to Neutral Earth GND T Y T HAND u10 3 n out H 4 O VEPE Digikey 160 1181 6 ND GND css C36 p 10uF 25V gt tor MS 502 RAPC712X 78 33 1812 0603 RAPC712A MN Do Digikey 478 1762 1 ND SVEXT N Red LED um A V3P3 1 c15 3 1 tod t RE nn 4 4 o V3P3 12 VDC Input 2 O tuF c13 p 3 0603 220uF 25V lo imp _ NEUTRAL UUDB aN GND c14 pe R106 MS 647 UUD1E221MNL C12 tur C30 11K tuF 20V 78133 0603 10uF 25V 1206P 1812 DigiKey 478 1762 1 ND 3 3V below Tyco 640454 2 Neutral 1 ll en MI MT2 e d T TERIDIAN SEMICONDUCTOR CORP 1 me MI3 M4 MIS MIO I Power Distribution Unit 8 Outlet Differential Current Single Phase Lu m i Warning ERIDIAN 3 ewo Bize Document Number ia B Dale Tuesday May 10 2017 Brel 1 of 4 Figure 9 78M6618 PDU1 Evaluation Board Electrical Schematic 1 of 4 18 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 4 0 V3P3
12. 12 Q13 Q14 Q15 Q INDET NUD3112LT1GOSCT 27 211 Q72 013 Q14 Q15 LOAD RELAY SOT 23 3 NUD3112LT1G ON Semiconductor 16 Q17 EUR ND 169K 1 0603 PIGSKHCT ND ERISERFIOSM fo se emo mese warm teme y 20 0K 1 0603 P20 0KHOT ND ERJ 3EKF2002V R4 R7 750 0 1 0603 P750YCT ND ERA 3YEB751V Yes 5 MS 660 R5 R6 R8 R9 1M 0 1 1206 RNT32BTTD1004p2s RN732BTTD1004525 KOA Speer Yes SE 0608 PATOGCEND ERIGGEYUTIV R17 R21 R26 R31 R36 R41 R4 R19 R29 R34 R39 R44 R49 R5 MS 66 ULRB22512R0005FL Ege ve e EEE DADE si RES 0603 PGSOHCT ND ERI SEKFS30UV RI RT2 Do os POOGCT ND ERJ 3GEYOROOV R73 R76 R77 R80 R82 R85 40 16 R86 R89 R90 R93 R95 R97 75K 0603 RG16P75 0KBCT ND RG1608P 753 B T5 Susumu Yes R99 R101 R102 R105 Rev 3 23 es es E id e Through Hole 255 1446 ND ALZ12F12 es es es es 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 PCB Digi Key R74 R75 R78 R79 R83 R84 16 R87 R88 R91 R92 R94 R96 7 5k 0603 RG16P7 5KBCT ND RG1608P 752 B T5 Susumu Yes R98 R100 R103 R104 423 Rios 0503 PHKGCEND ERU3GEYIHSV R107 R108 R109 R110 R111 Solutions Las a rre TEST POINT Through Hole S1011E 36 ND PBC36SAAN iie tons ves r u romere OM o 47 1 U2 FTDI28 SSOP 28 SSOP 768 1007 1 ND FT232RL REEL FTDI ADUM3201 8 SOIC ADUM3201ARZ ND ADUM3201ARZ Analog Devices 49 4 U4 U5 U6 U7 OP AMP 8 SOIC LM2904MXCT nd LM2904MX POIN Yes Semiconductor U10 U11 78L
13. 18 system on chip SoC The 78M6618 monitors the AC line voltage and eight load currents and controls switching of eight internal load relays The embedded firmware calculates the RMS line voltage and RMS load currents watts VAs VARs and power factor The real time data is transmitted to a PC via a USB interface for display in a Windows based graphical user interface GUI The 78M6618 UART interface is used as the communications link to an on board isolated USB interface IC Included with the 78M6618 PDU1 is a Windows based GUI for simplified access to the following measurement data and controls e RMS voltage and current e Real apparent and reactive power and power factor e Accumulated energy usage and expense tracking e Line frequency e Minimum and peak parameter tracking e Alarm indicators e Programmable alarm thresholds e Internal load relay 16A control This document describes the evaluation board with 78M6618 PDU1 DIFF imprinted on the board This board is a complete replacement for and obsoletes the earlier 78M6618 PDU1 evaluation board Refer to the GUI User Guide for information about the GUI 1 4 Package Contents The 78M6618 PDU1 evaluation kit includes e 78M6618 PDU1 DIFF evaluation board e Universal AC to 12 V DC power supply with international plug adapters e ICE Adaptor board e USB A B cable 1 2 System Requirements The 78M6618 PDU1 GUI requires use of a PC with the following features e PC
14. 29 44 3 D e CKTESTISEG19 DIO10 SEG30 45 RELAYS 3 Ro ns fa T 4 TMUXOUT DIO11 SEG31 38 RELAY4 2 o 0 1uF TPWW DIO13 SEG33 55 RELAY3 2 0603 He USB3V 0603 GND DIO14 SEG3A 25 RELAY2 2 0603 Mog sos cup DIO15 SEG35 54 Dios RELAY 2 4 pi DIO16 SEG36 44 DI TT 4 5 usx 2 V V2 7 7 DIO17 SEG37 745 DIO18 usasv 0 vecio RXD USBRX 3 VOA VIA Fs a TX DIO18 SEG38 47 DIO18 vec DO 47 VIB voB Fs RX DIO19 SEG39 y DiO43 H usw 46 NEM ND G2 DIO43 SEG63 TP7 USBDP USBDM RTS TP TPE nm i E EROR OE IX us R71 R72 E 20 SECO TWW eum MS 806 KUSBVX BSIN W 5 cat x SEE USER Bo X ADUM3201 R49 0 0 pam e J40 USBBV 8 gt gt 4nF DS rto X ADUM3201 1 0603 0603 o SEG E SPH 1206P e 24 8 3X ADUM3201ARZ ND 0603 FE T a DIP100P10 TT x NC2 RI x GND 30 SEGB Internal slave SPI controller OSH SEG12 V3P30 23 1 5M A B White Cable causo 27 3X paz SEG14 POLK 3 4 CLK Mouser 571 1487588 2 CBUSI 43 1 E pras SEG15 PSDI 5 6 SDI CBUS2 4X J o 2 vara UTX 24 SEGIG o Z 2 no 27 CBUSS 15 96 DEBUG 3 URX 35 SEDIT PCSZ 9 10 csz X osc CBUS4 2x SIPTDODA E 4 o SEG18 x osco V3P3 DINO DILI como o9 17 25885 uz GND 18 GND 3V30UT 538 a 28 LD SSOP B comi DigiKey 160 1181 6 ND C32 E 768 1007 1 ND pieces E PCLK D12 QE ssa 28 SSOP PsbusEs E as T W Red LED usseno Perce E PCSZ 470 X LED Red J67 0603 U2 internal 3 3V LDO DIO2 ici can source upto 50ma CON2 4 um 3 BENIT OPRXDIO1 Li WAMA AAA ES DIOS capa SM Bus Address ADI TXIRX data interface R61 5 10K
15. 3 Confirm COM Port Mapping 1 Launch the Control Panel and click on the System icon E Control Panel File Edit View Favorites Tools Help Qe o 2 dO Search E Folders Ed Address E Control Panel v Control Panel A e ES ETT 9 e ES Accessibility Add Hardware Add or Administrative Automatic Date and Time Display Switch to Category View Options Remov Tools Updates w p vr 9 gt 39 See Also Folder Options Fonts Game Intel R GMA Internet Keyboard Mail o Windows Update Controllers Driver Options 9 Help and Support a e A E a g D cd B gt ya 3 Mouse Network Phone and Power Options Printers and Regional and Scanners and Connections Modem Faxes Language Cameras Scheduled Security SoundMAX Sounds and Speech Symantec m Tasks Center AudioESP Audio Devices LiveUpdate 2 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 c 5 System Properties X Device Manager Fie Action View Help System Restore Automatic Updates General Computer Name Hardware Advanced e gt amp 2 a Device Manager E q Computer The Device Manager lists all the hardware devices installed iw Disk drives gt on your computer Use the Device Manager to change the 5 ispl d properties of any device E 2 Display adapters E DVD CD ROM drives H Floppy disk controllers le 48 Flo
16. 33 SOT 89 3 497 1200 1 ND L78L33ACUTR STMicroelectronics Corporation 52 MT1 MT2 MT3 MT4 MT5 MT6 STANDOFFS Through Hole MS 534 1809 1809 Keystone Electronics E standoff bumpers RUBBER MS 534 720 Keystone Electronics 4 screws for stand offs Through Hole H346 PMS 440 0050 PH pd 24 Rev 3 UM 6612 016 78M6618 PDU1 Evaluation Board User Manual 5 3 78M6618 PDU1 Evaluation Board PCB Layouts Figure 16 78M6618 PDU1 Evaluation Board PCB Bottom View Rev 3 25 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 6 Ordering Information Part Description Order Number 78M6618 PDU1 Evaluation Board 78M6618 PDU 1 7 Contact Information For more information about Maxim products or to check the availability of the 78M6618 contact technical support at www maxim ic com support 26 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Appendix A 78M6618 PDU1 Board with CTs This appendix includes the photograph schematics bill of materials and layout images for a comparable 78M6618 PDU1 evaluation board using current transformers CTs in place of current shunt resistors The information on this board is provided as reference only and is not available for purchase A 1 78M6618 PDU CT Evaluation Board MET ema LINE set ESMP LINE NEUT EGND LINES UT EGND L 5 NEUT EGND L 4 JAS 348 Mb a MN qe em ORE o 0 i dE Ki A Figure 17 78M6
17. 6 399 4630 1 ND 1206 1491A475M025AT KEMET Yes C37 C38 C39 C40 C41 C42 GRM188F51H473ZA0 12 8 cas 047 pF 0603 490 1567 1 ND 1b Murata Yes 13 9 D1 D2 D3 D4 D5 D6 D7 D8 D11 Green LED 0603 475 1409 1 ND LG Q971 KN 1 OSRAM ODIO Yes Semiconductors 14 2 D9 D12 Red LED 0603 160 1181 6 ND LTST C190CKT Lite On Inc Yes 15 1 D10 Yellow LED 0603 160 1184 1 ND LTST C190YKT Lite On Inc Yes J3 J49 J50 J51 J52 J53 J54 16 17 J55 J56 J57 J58 J59 J60 J61 CON1 Through Hole DNP J62 J63 J64 17 1 J4 TERM BLOCK Through Hole A98275 ND 796740 2 TE Connectivity Yes J7 J8 J9 10 J11 J12 13 J14 rere 18 16 J15 J16 J17 J18 J19 J20 J21 CON4 Through Hole MS 534 8191 8191 iin Yes J22 Electronics 19 1 J38 ICE Through Hole S1011E 36 ND PBC36SAAN Sullins Connector ves Solutions 20 1 J39 DEBUG Through Hole S1011E 36 ND PBC36SAAN Sulis Connector sas Solutions 22 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual PCB Digi Key Reference Footprint MS Mouser Part Number Manufacturer Sullins Connector J40 SPI1 Through Hole S2011E 36 ND PBC36DAAN Soluti olutions MS 806 KUSBVX BS1N B J48 RAPC712A Through Hole MS 502 RAPC712X RAPC712X Switchcraft J66 J67 CON2 Through Hole S1011E 36 ND PBC36SAAN eine Connector Solutions J47 USB B Through Hole 806 KUSBVX BS1N B LOGO1 LOGO2 Logo Silkscreen TP4 TP2 TP5 TP6 TP7 Through Hole S1011E 36 ND PBC36SAAN ae e Q10 Q11 Q
18. 6 ND 0603 MAX4494 S0 y USA 1000pF C42 1 J59 R44 0603 our E oun ere 8 2 m OUTCUR6 En 3 cont 1 2512P 1 4 Line Black x MS 66 ULR25RO06FLFTR 2 E 2 OUTCURS 1 360 R45 d 750 LED J18 NeutraWhite CON1 1 Neutralt White 0803 CON4 T 0603 0603 AA x STERM 7 5K 75K GND 0603 Q16 Pg d IS 534 8191 Egnd Green 1 R94 R95 2K D7 UD3112 SOT 1 4 R47 R46 4 RLY7 bs 4 E I GND 9605 Pp TE au R104 J19 TES 16A 12V SPDT Low Profile 7 5K c23 C43 CON4 0603 1000pF 047UF STERM fal 255 1446 ND 4l urs 0603 0603 0603 MS 534 819 Jet R49 750 1 OUTLET bos u js OUTCURT 2 cont 1 2512P 3 Line Black T MS 66 ULR25R006FLFTR k E i gt gt OUTCURT 1 4 J62 LED LED Green Neutral White CON1 di Neutral1 White 0603 120 7 5K CON4 R103 STERM Egnd Green i I MS 534 8191 1 RLY8 2 3 017 4 NUD3112 S0 RLB 16A 12V SPDT Low Profile R101 J21 0603 CON4 255 1446 ND 75K STERM J63 l MS 534 819 cont ti OUTLETS 7 5K V6P6 Line Black R100 364 0603 C24 cas E UTA 1000pF O47UF NeutraWhite CON1 di Neutral White R54 MAX4494 SO 0603 0603 0005 3 J322 2512P P 1 OUTCURE CON4 Egnd Green MS 66 ULR25ROO6FLF TR 2 T gt gt OUTCURS 1 STERM 15 R55 IS 534 8191 E 750 1 0603 TERIDIAN SEMICONDUCTOR CORP 2 3 END Title 4 Power Distribution Unit 8 Outlet Differential Current Single Phase T j Bize Document Number ev R98 R99 B 7 5K 75K Pate Wednesday May 11 2011 Bnet 3 of 4 Figure 11 78M6618 PDU1 Evaluation Board Electrical Schematic 3 of 4
19. 618 PDU CT Evaluation Board Rev 3 27 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 A 2 78M6618 PDU CT Evaluation Board Schematics o V3P3 v2P5 SL yapaa vars 48 cs c1 c2 0 1uF 10uF 25V 0 tuF 0603 1812 0603 DigiKey 478 1762 1 ND GND VREF vrer 2 ca NC OUTCUR1 vaa OUTCUR2 9603 o QUTGUR d OUTCURS rm ves R2 16 9K 1 OUTCUR7 oe 2663 OUTCURB m vi vi S84 Ant 4 250mVpp cs 4 178mVrms 100pF R3 0603 20 0K 1 R5 R6 END 0603 1M0 1 1M01 R4 EN rd 1206W 1206W 750 0 1 1000pF GND J84 MS 660 RN732BTTD1004B25 0603 0603 cr SV CON1 1 i LINEV 53 33pF SIP100P1 YA 0603 NEUTV XN RB R9 T SE ya xw S 1M0 1 1M01 RT ca Yi M 1206W 1206W 750 0 1 1000pF 32 768KHz J85 MS 660 RN732BTTD1004825 0603 0603 CM200S GND CON1 1 z9 535 9166 1 ND 7 4 za XOUT SIP100P1 5 your He LEE co 9pF U1 1 0603 MT13 78M6618 680FN QFN68 END J82 J83 Ji 1 To Relays CON1 CON1 ACTERM 2 EGND J8 SIP100P1 7 SiPt00P1 K1287 Green 7 EGND Weco Tst MS 534 1287 ST IP100P2 J2 4 1 CON1 Line Black J5 1 E SIPW2 ACTERM 2 ais 1 J3 K1287 Black gt gt LINE i p gt
20. 78M6618 PDU CT Evaluation Board PCB Lay0UtS oooooocccnnnccccnccoooncccnnnconannnannncnnnnccnnnnnn nono 34 Appendix B 78M6618 PDU1 Version 1 Single Ended Shunt eeeeeeeeeeeee 36 BUDDHISM dadadasarasa 37 Rev 3 3 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 Figures Figure 1 78M6618 PDU Connections Go DEPO OPERI DEED E EPA oe asd 7 Figure 2 Serial Port Verification S reEMe isssisi iniiis aisea eiea aai e a eaea aain senderen 12 Figure 3 Differential PDU Block Diagram nn aaraa naa nennen nnne nn nennen sse n nsn ESEE 13 Figure 4 PCB Parasitic Resistance e oen eon mme nib be nbi eb tette terea 15 Figure 5 Differential Amplifier and Current Sense Resistor rien 15 Figure 6 Detail View of Differential Amplifiers sssssssssssnee nennen 16 Figure GE Adaptor eds rv tae ee tdt eden edenda dedos nbn anal cda 17 Figure 8 78M6618 ICE Adaptor Attachment iria e nnne uwiii 17 Figure 9 78M6618 PDU1 Evaluation Board Electrical Schematic 1 of 4 noo 18 Figure 10 78M6618 PDU1 Evaluation Board Electrical Schematic 2 of 4 noo 19 Figure 11 78M6618 PDU1 Evaluation Board Electrical Schematic 3 of 4 nerne 20 Figure 12 78M6618 PDU1 Evaluation Board Electrical Schematic 4 of 4 ono 21 Figure 13 78M6618 PDU1 Evaluation Board PCB Top
21. 8 022 J43 CON1 SIPW2 J45 CON1 SIPW2 J48 2 J46 3 AC Outlet PX0675 MS 562 PX0675 PC CON1 SIPW2 J51 CON1 SIPW2 J54 CON1 SIPW2 J56 2 J53 3 AC Outlel PX0675 MS 562 PX0675 PC CON1 SIPW2 2 J61 3 AC Outlet PX0675 MS 562 PX0675 PC 2 J70 3 AC Outlel PX0675 MS 562 PX0675 PC J59 CON1 SIPW2 J62 CON1 SIPW2 J64 CON1 SIPW2 J68 CON1 SIPW2 J69 CON1 SIPW2 J72 CON1 SIPW2 LINE Havne R30 LED Green 2K MS 604 WP1503GD 0603 J42 LED SIP100P2 NEUTRAL gt NEUTRAL EGND gt HD H2VDC RLY5 ee cal 5 ch FR e Nel J44 1 ACTERM 2 OUTLETS Line Black K1287 MS 534 1287 ST RLS J47 1 16A 12V SPDT Low Profile Neutral White ACTERM 21 4 K1287 255 1446 ND MS 534 1287 ST Egnd Green J49 1 ACTERM 2 l K1287 T Havoc MS 534 1287 ST RLY6 ale AT J52 1 ACTERM 2 OUTLET6 Line Black K1287 MS 534 1287 ST RL6 J55 1 16A 12V SPDT Low Profile Neutral White ACTERM 2 4 K1287 255 1446 ND MS 534 1287 ST Egnd Green J58 1 ACTERM 2 K1287 4 12VDC MS 534 1287 ST RLY7 ale AT Q5 NPN 500ma 30V SOT23T M
22. 991 1210 MS SR732ELTE4R99F R13 R18 R23 R28 R33 34 10 R38 R43 R48 R57 R63 10K 603 P10 0KHCT ND R14 R19 R24 R29 R34 35 8 R39 R44 R49 750 5 603 P750GCT ND 36 3 R51 R55 R56 0 603 PO 0GCT ND 37 3 R52 R53 R58 470 603 P470GCT ND 38 1 R54 330 603 P330HCT ND 39 1 TP3 Wh SIP100P2 S1011E 36 ND 40 1 U1 78M6618 IM F QFN68 Maxim 41 1 U2 FT232QFN32 FTQFN32 MS 895 FT232RQ 42 1 VR1 FSKS5 12V FSKS5 102 1471 ND 43 1 VR2 3 3V 500mA SOT223 497 1241 1 ND 44 1 Y1 32 768KHz CM200S 535 9166 1 ND Rev 3 33 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 A 4 78M6618 PDU CT Evaluation Board PCB Layouts 8 Outlet eu E te e ee sez S N E EM Mo q 28 L 78M6618 PDU CT v1 o Jes 372 368 370 Qe Es 408 ES x 371 CI omo o O O O O OO O O NEUT EGND LINES NEUT END LINE li MENT END LINES nus fani toes c rein Canes MENT tain LIES NEUT EGND LINE2 NEUT EGND LINE Je2 de 354 JS 322 Jis J16 Jil Figure 22 78M6618 PDU CT Evaluation Board PCB Top View 34 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual o OO O O O O oo O O O O mmm Pag Pag Pag Fi Figure 23 78M6618 PDU CT Evaluation Board PCB Bottom View 35 Rev 3 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 Appendix B 78M6618 PDU1 Version 1 Single Ended Shunt This appendix includes a photograph of the origi
23. AVLAZXLA Teridian Smart Grid Solutions 78M6618 PDU1 Evaluation Board User Manual November 2011 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 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 O 2011 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Table of Contents 1 Introductiorn 5 MA AA AAA AA AAA AA AAA AA AAA AAA AAA AAA EA 5 1 1 Packadge Contents c it tele Dou te eu Deu tue ii 5 1 2 System Requirements eee tere A ren reddet eden 5 T9 Safety and ESD Notes AA 6 1 4 Firmware Demo Code Introduction er en enn nennen 6 1 5 Testing the Evaluation Board Prior to Shipping 6 2 Installation AAA WA AAA AA AAA arte cUDDer DRE E RR Rec EDDEPD E ERR RR OPE DOPDRIPE 7 2 1 USB Connection and Driver Installation ss een 8 2 2 Connecting the External DC SuppIY wwwwwwwmawewewumumunawwwuwumu muna wi nunuzi 8 2 3 Confirm COM Port Mapping II m menn kaika 9 2 4 Verify Serial Connection to the PC sssssssssssssssssssssseeee ener nnne 10 2 5 Connect the AC
24. Applications Note for additional information It is recommended to always use the supplied flat ribbon cable Do not use discrete wires in place of the flat ribbon Poor signal integrity will cause flash memory programming errors Additional adaptors and flat ribbon cables can be ordered through Maxim Rev 3 17 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 5 Schematics Bill of Materials and PCB Layouts This section includes the schematics bill of materials and PCB layouts for the 78M6618 PDU1 evaluation board 5 1 78M6618 PDU1 Evaluation Board Schematics o V3P3 V2P5 To Relays HL vara vaps 28 es c2 c1 0 1uF 2 LINE mig 10uF 25V 0 tuF 0603 1812 0603 gt NEUTRAL 23 DigiKey 478 1762 1 ND GND GND vrer 162 VREF 2 OUTCUR1 vaga 2 OUTCUR3 9 3 OUTCURS 3 OUTCURT 2 OUTCURZ i External wire to E DUE 16 9K 1 3 OUTCUR6 J2 center point 3 OUTCUR8 0603 vap3 l 4 250mVpp A7Bmvrms R3 Ja LINE 20 0K 196 Blaci R5 R6 0603 terminal block 1 1M0 1 1M01 R4 2 1208W 1206W 750 0 1 GND MS 660 RN732BTTD1004B25 0603 cT White NEUTRAL LINEV 53 33pF EGNDV YA XN a FANA xw 88 R8 R9 Yi xi 1M0 1 1M01 R7 32 768KHz GND Ja 1208W 1206W 750 0 1 CM200S MS 66
25. C MS 534 1287 ST RLY4 J35 1 ACTERM 2 OUTLET4 Line Black K1287 MS 534 1287 ST RL4 J39 1 16A 12V SPDT Low Profile Neutral White ACTERM 2 K1287 255 1446 ND MS 534 1287 ST Egnd Green J41 1 ACTERM 2 K1287 MS 534 1287 ST 10K 0603 R25 LED Green 2K MS 604 WP1503GD 0603 J33 A LED SIP100P2 R26 1K 04 0603 NPN 500ma 30V SOT23T RELAYS MS 512 MMBTA13 R28 10K 0603 GND CT1 CTO20P2A CTO20P2A yy _ Oswell CT2 CTO20P2A CTO20P2A gt Oswell CT3 CTO20P2A CTO20P2A py Oswell CT4 CTO20P2A CTO20P2A Oswell V3P3 9 V3P3 N R12 C15 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F OUTCUR1 y OUTCUR R14 750 0603 V3P3 R17 C16 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F QUTCURZ gt gt OUTCUR2 R19 750 0603 V3P3 1 R22 C17 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F OUTCUR3 SS DUSDURS R24 750 0603 V3P3 A R27 C18 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F OUTCURS gt gt OUTCUR4 R29 750 0603 TERIDIAN SEMICONDUCTOR CORP Title Power Distribution Unit 8 Outlet Single Phase with CTs Size Document Number Rev B PDUCTV1 1 Date Monday March 01 2010 Bhet 2 of Figure 19 78M6618 PDU CT Evaluation Board Electrical Schematic 2 of 4 Rev 3 29 78M6618 PDU1 Evaluation Board User Manual UM 661
26. S 512 MMBTA13 J50 LED SIP100P2 Q6 NPN 500ma 30V SOT23T MS 512 MMBTA13 J57 LED SIP100P2 Q7 NPN 500ma 30V SOT23T MS 512 MMBTA13 R45 LED Green 2K MS 604 WP1503GD J66 1 LED SIP100P2 J60 1 ACTERM 2 OUTLET Line Black K1287 MS 534 1287 ST RL7 J63 1 16A 12V SPDT Low Profile Neutral White ACTERM 2 4 K1287 255 1446 ND MS 534 1287 ST Egnd Green J65 1 ACTERM 2 K1287 12VDC MS 534 1287 ST RLY8 J67 1 ACTERM 2 OUTLETS Line Black K1287 MS 534 1287 ST RL8 J71 1 16A 12V SPDT Low Profile NeutralWhite ACTERM 2 K1287 255 1446 ND MS 534 1287 ST Egnd Green J73 1 ACTERM aT K1287 MS 534 1287 ST R46 1K Q8 0603 NPN 500ma 30V SOT23T MS 512 MMBTA13 R48 10K 0603 amp RELAY8 GND bd CT5 CT020P2A CTO20P2A gt Oswell CT6 CTO20P2A CTO20P2A p Oswell cm CTO20P2A CTO20P2A py Oswell CT8 CT020P2A CTO20P2A y Oswell V3P3 9 V3P3 z I R32 c19 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F DETUR gt gt OUTCURS R34 750 0603 V3P3 E R37 C20 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F QUTCURE gt gt OUTCUR6 R39 750 0603 V3P3 n R42 C21 4 99 1 1000pF 1210 0603 MS 660 SR732ETTE4R99F QUTCURT gt gt OUTCUR7 R44 750 0603 V3P3 R47 c22 4 99 1 1000pF 1210 0603 M
27. S 660 SR732ETTE4R99F QUTCURE gt gt OUTCUR8 R49 750 0603 TERIDIAN SEMICONDUCTOR CORP Title Power Distribution Unit 8 Outlet Single Phase with CTs Eize Document Number Rev B PDUCTV1 1 Date Monday March 01 2010 Eheet 3 o 4 Figure 20 78M6618 PDU CT Evaluation Board Electrical Schematic 3 of 4 30 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Alternate 12C Master 337 SM Bus OneNet PacketPower bit bang SPI for Pins interface EEPROM vane m V3P3 C25 DIO16 noconect CE CSN 0 1uF DIO19 noconnect SLE TRXCE c23 C24 0603 DIO43 noconnect SDATA PWRUP duF 0 tuF DIOS SMBRXD SREAD MISO SDI SDA 0603 0603 GND DIO4 SMBCLOCK SCLK SCK CLK SCL 810 C1608x5R1C105M GND GND DIOS SMBTXLOB INT DR SDO J DIO1 SMBCKHDB DATAIO MOSI csz R50 swt DIO2 SMBALTRB DATACLK CD NC NC ECT DIO18 no connect GND DEN 0603 EP11 332 DIO17 no connect GND no connect RESET 49 825 o O RESET as Optional Reset Switch R5 gt SW1 EVQ PJX05M Panasonic C26 0 37 DIO4 R56 IK NC 0603 SDCKIBIOA SEG24 rag DIOS Ber dk 0603 SDATA DIOS
28. SEG25 V3P3 C28 1000pF GND 374 7 J75 READY 3 t ACTIVE V3P3 ICE inputs become SIP100P2 SIP100P2 LCD seg drivers MS 604 WP1503GD MS 604 WP1503YD 1 when ICEE low LED Gm LED Yel RXIX J76 2 RD de SEGS R52 R53 ICE 3 2 470 470 ERST ETCLK SEG10 SIP100P6 4 1 0603 0605 A TGEEN 507 ERST SEG11 amp Na pios 92 V3P30 C27 R54 4 17 18 DIO17 1000pF lt 330 TPI Dionisos 42 REO DIO16 15 16 0603 0603 TP 1 Es 43 REINT DIO19 13 14 TPWW 10 44 DIO43 1 12 OneNet GN GND Te2 67 CKTEST SEG19 DIO10 SEG30 ge RELAYS DIGE b de gt TMUXOUT DIO11 SEG31 592 RELAY4 Interface to C28 TP 1 29 DIO4 7 8 DIO13 SEG33 RELAY3 ADF7025 0 1uF V3P3 TPWW 22 DIO3 5 4 DIO14 SEG34 RELAY2 0603 23 REA 3 3 DIO15 SEGSS 24 DOTS DIO2 1 2 DIO18 GND DIO16 SEG36 DIO Hx D1018 8E038 p12 DIOS NO DIOTS ae USB5V 29 Vecio Ro Hi 48 RX D1019 SEG39 ST DIO43 ONENET 4 voc TD DIO43 SEG63 Dipig 2 USBDM 15 32 19 378 3 USBDP 14 USBDM mer a R55 R56 po cod USBDP GTS aq o 20 sEG1 USB B 4 ST 7 0 0 poi SERT J80 MS 154 2442 E 5 C29 18 3 0603 0603 26 SP11 e n RESETB DSR a o 27 sEG7 USBB 3 47uF 5 Zn 27 DIP100P10 1206P 42 NC1 DO J79 30 SEG8 Internal slave SPI controller LT na Nc2 Ri Vue vases OS SEG12 V3P3O i A re pa 25 NC3 22 SIP100P4 ap SEGA PCLK 3 4 CLK 0 234 NC4 CBUSO a SE SEG15 nm 1 5M A B White Cable 29 2 1 33 5 6 SDI o 3 Nes CBUS1 ux SS sects nap Mouser 571 1487588 2 p23 NGS ed 4075 2 aot SEGI 7 8 sDO 115 3 I ORX p 35 i PCSZ E 10
29. Source and Load eene 12 3 Circuit Description and Theory of Operation nn eene REE E REE nennen nnne nnn 13 3 1 VUE E 13 32 oleae Sii di 13 3 3 Input Signal CONditiONINQ cconnnnnnnnncnnnnccnnnnconnccnnnnnnnnnnnnnnnnnnnncn nan nn rennen nennen nnns 14 3 4 t Relay Control sx c ene Se ec een 14 3 5 Theory of Operation eter eae A doe dete d od 14 9 5 1 78M6618 Operational 14 3 5 2 Voltage and Current Measurement wwwwwwwmawwwumumanunawwwu mumu wanwww nunuzi 14 4 In Circuit Emulator ICE Adaptor AKA nnn asa 17 5 Schematics Bill of Materials and PCB Layouts nn eene e eene 18 5 1 78M6618 PDU1 Evaluation Board SchematicCS ccccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnos 18 5 2 78M6618 PDU1 Evaluation Board Bill of Materials sees 22 5 3 78M6618 PDU1 Evaluation Board PCB Layouts aerea 25 6 Ordering Information sussie ERE Era 26 T Contact information cito ones 26 Appendix A 78M6618 PDU1 Board with CTS esee nennen nnne nhhyyynnyeS 27 A 1 78M6618 PDU CT Evaluation BOard occccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnss 27 A 2 78M6618 PDU CT Evaluation Board SchemalticS cccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnos 28 A 3 78M6618 PDU CT Evaluation Board Bill of Materials rea 32 A 4
30. ard s USB cable 2 5 Connect the AC Source and Load Connect the desired AC source to the terminal block J4 Be sure to observe the correct connections for line and neutral as they are designated on the silk screen Terminal block J4 accepts bare wires size 24AWG to 10AWG Be sure to select wire gauge appropriate to the total load to be applied to the board and make sure that the screws are tightened for good electrical connection and wire retention The loads to be controlled and metered are connected to the screw terminals J7 J22 that are located on the bottom edge of the board These terminals can accept bare wire or spade terminals or ring terminals that are capable of accepting a 6 32 screw The individual terminals are rated to carry a maximum current of 15A As with the AC inlet connection be sure to observe proper connection to the AC line labeled Outlet n and AC neutral 12 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 3 Circuit Description and Theory of Operation Figure 3 shows a block diagram of the PDU1 Evaluation Board For simplicity only one of the 8 identical channels is shown AC NEUTRAL Voltage Sense gt Resistors BO CINE Low Pass NES Filter Y input 78M6618 12VDC e 1 DIO 12V V6P6 4 Series Regulators ars L Current SS GND Relay PAL Sense S Differential Low Pass A OD gt Amplifier i i Driver y Resostor LS
31. bench level test ensures the energy measurement accuracy is within 0 5 6 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 2 Installation Figure 1 shows the basic connections to the 78M6618 PDU1 Evaluation Board DC power is supplied to the PDU1 through the DC power jack J48 The USB cable provides an electrically isolated communications link between the host PC and the PDU1 as well as power to the USB controller on the Evaluation Board The AC input to the PDU is connected via the terminal block J4 The PDU1 has eight outlets that connect to the loads to be measured Screw terminals are provided to make the line and neutral connections to the loads DC Power Plug AC Inlet J4 J48 e ILLE Outlet 1 1 Outlet 5 Outlet 3 3 Outlet 8 8 Outlet 6 6 Outlet 4 Outlet 2 Figure 1 78M6618 PDU1 Connections Connect the USB Port J47 to the Host PC Rev 3 f 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 2 1 USB Connection and 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 Windows driver presents a virtual COM port for enabling serial communications Control of the 78M6618 PDU 1 can be managed using either a terminal emulation program or using the supplied Windows Dashboard GUI The FTDI Windows driver is a certified driver for W
32. csz 57 CBUS3 y E SEG18 SNB 5327 osci CBUS4 s GND 1 LH osco OF como de coU 25885 uz R57 E com J81 2880 FT232QF N32 10K O PCLK FAULT C30 bi E MS 895 FT232RQ 0603 PERE PSDI SIP100P2 Ou SELE FTQFN32 GND pan SE CS IET PSDO R58 MS 604 WP1503lD aa 0603 A ela LE PCSZ 4m LED Red yana GN EA DIO2 AER a NES R59 R60 R61 R62 ADI TXIRX data interface DIO1 BAN GENDE NC lt NC 4 NC lt NC DIOS WAA ANZA i Uses SM Bus Address 0603 2 0603 2 0603 2 0603 R63 DIO16 amp 10K 00 DIO18 aa 0603 w TP3 Dos em Wh DIO43 D 8 SIP100P2 U1 2 3 Pulse Output R64 R65 R66 R67 78M6618 68QFN NC NC NC NC QFN68 0603 2 0603 2 0603 2 0603 GND GND TERIDIAN SEMICONDUCTOR CORP nue Power Distribution Unit 8 Outlet Single Phase with CTs Bize Document Number Rev B PDUCTV1 1 Date Monday March 01 2010 Bret 4 q 4 Figure 21 78M6618 PDU CT Evaluation Board Electrical Schematic 4 of 4 Rev 3 31 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 A 3 78M6618 PDU CT Evaluation Board Bill of Materials Table 3 78M6618 PDU CT Evaluation Board Bill of Materials Item Q Reference Part PCB Footprint Part Number 1 8 CT1 CT2 CT3 CT4 CT5 CT6 CT7 CT8 CTO20P2A CTO20P2A 582 1084 ND 2 2 C1 C13 10uF 25V 1812 478 1762 1 ND 3 7 C2 C3 C10 C24 C25 C28 C30 0 1uF 603 490 1519 1 ND 4 1 C5 100pF 603 445 1281 1 ND 5 11 pos e 1000pF 603 445
33. d the op amp inputs They are also located above a V3P3 plane to minimize electrical noise pickup For more detailed information on PCB layout refer to the application note Designing a Differential Power Distribution Unit Using the 78M6618 16 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 4 In Circuit Emulator ICE Adaptor The 78M6618 s firmware stored in internal flash memory can be updated to accommodate program enhancements Use the Signum ADM51 or the Teridian TFP2 to download new firmware to the 78M6618 The supplied ICE Adaptor is required to interface the flat ribbon cable provided with the ADM51 or TFP2 to the 78M6618 evaluation board Figure 7 ICE Adaptor Figure 3 shows how to attach the ICE Adaptor to the 78M6618 evaluation board Please make note of the orientation of the ICE Adaptor as to how it attaches to the 78M6618 evaluation board V3P3 ICE Adaptor pin connects to the V Evaluation Board pin ae TIS ag ee STILL Alo IC pin 6 adapter v3 Figure 8 78M6618 ICE Adaptor Attachment Disconnect the 78M6618 evaluation board from live AC voltages before connecting the ADM51 or TFP2 An Earth ground disparity and high AC voltages are present on the 78M6618 evaluation board when it is connected to the AC outlet Equipment damage to the 78M6618 ADM51 TFP2 and attached PC may occur when live AC voltages are present on the 78M6618 evaluation board Refer to the 78M661x Safety Precautions
34. et PX0675 MS 562 PX0675 PC 2 J37 3 AC Outlel PX0675 MS 562 PX0675 PC J27 CON1 SIPW2 J30 CON1 SIPW2 J32 CON1 SIPW2 J36 CON1 SIPW2 J38 CON1 SIPW2 J40 CON1 SIPW2 LINE mK Havne R10 LED Green 2K MS 604 WP1503GD 0603 J10 LED SIP100P2 NEUTRAL NEUTRAL EGND gt rnm 1 12VDC RLY1 wo al E 5 1 M oa Ne 342 1 ACTERM 2 OUTLET Line Black K1287 MS 534 1287 ST RLA J15 1 16A 12V SPDT Low Profile Neutral White ACTERM 2d K1287 255 1446 ND MS 534 1287 ST Egnd Green J17 1 ACTERM 25 K1287 1 12VDC MS 534 1287 ST RLY2 ale Ei J20 1 ACTERM 2 OUTLET2 Line Black K1287 MS 534 1287 ST J23 1 16A 12V SPDT Low Profile Neutral White ACTERM 2 4 K1287 255 1446 ND MS 534 1287 ST Egnd Green J25 1 ACTERM 2 K1287 d 12VDC MS 534 1287 ST RLY3 ale aT Q1 NPN 500ma 30V SOT23T MS 512 MMBTA13 J18 LED SIP100P2 Q2 NPN 500ma 30V SOT23T MS 512 MMBTA13 J26 LED SIP100P2 Q3 NPN 500ma 30V SOT23T MS 512 MMBTA13 J28 1 ACTERM 2 OUTLET3 Line Black K1287 MS 534 1287 ST RL3 J31 1 16A 12V SPDT Low Profile Neutral White ACTERM 2 4 K1287 255 1446 ND MS 534 1287 ST Egnd Green J34 1 ACTERM 2 K1287 12VD
35. gnd Green 7 5K 75K IGND 0603 Mm 4 IS 534 8191 0603 0603 1 E RLY3 LED 3 4 3i V3P3 5 RL3 AAA 3 3l 16A 12V SPDT Low Profile R84 R85 ce 5 ALZ 7 5K 75K ul C19 C39 J11 J53 pa 255 1446 ND 0603 0603 a 5B Z 0603 1000pF 047uF CON4 MAX4494 SQ 750 0603 0603 STERM d 5 N R30 IS 534 819 cont 14 OUTLETS R29 Dur OUTGURS gt gt OUTCUR3 1 1 Line Black 0005 6 2 354 2512P 3 MS 66 ULR25RO06FLFTR co 4 Neutral White CON1 dg Neutral3 White 4 1 R32 LED Green 2K D4 013 R83 R82 V3P3 0603 m NUD3112 SOT J12 Egnd Green 7 5K 75K C48 o CON4 0603 0603 NAVE NEPE UNDER gt STERM i MS 534 819 RLY4 0603 LED 1 2 3 bi RL4 4 4 T 16A 12V SPDT Low Profile 0603 ALZ 75K 255 1446 ND V3P3 J13 J55 TI TI RA V6PG T CON4 STERM cont 1 OUTLETS 0603 C20 cao IS 534 819 Line Black 7 5K a USA 1000pF 047uF 1 J56 R88 MAXA494 SO 0603 0603 2 1 3 3 NeutralWhite CON1 Neutrala White H 1 1 OUTCUR4 T M 2 gt gt OUTCUR4 1 0005 R35 Egnd Green 2512P E 750 J14 MS 66 ULR25R006FLFTR 0603 CON4 IGND STERM MS 534 819 1 4 2 3 R87 R86 4 7 5K 75K TERIDIAN SEMICONDUCTOR CORP 0603 0603 Title Power Distribution Unit 8 Outlet Differential Current Single Phase Bize Document Number Rev B Date Tuesday May 10 2011 Eheet 2 o 4 Figure 10 78M6618 PDU1 Evaluation Board Electrical Schematic 2 of 4 Rev 3 19 78M6618 PDU1 Evaluation Board User Manual UM 6618 022
36. he accumulation interval which is the period over which RMS voltage current and power are calculated is determined by the firmware loaded into the 78M6618 s internal flash and may be between 200 milliseconds and 1 second The 80515 MPU performs some scaling of the CE results calculates some additional values and manages the communication with an external host via its integrated UART The MPU also controls the operation of the CE 3 5 2 Voltage and Current Measurement As previously described the reference voltage for the 78M6618 ADC is 3 3V The valid input range for the ADC is 3 3V 250 mV A 250 mV signal corresponds to full scale on the ADC A voltage divider is used to scale the line voltage to the 250 mV range of the ADC The voltage divider consists of 2 1 MO resistors and one 750 O resistor The ADC measures the voltage across the 7500 resistor which is 0 037596 of the line voltage With this ratio the ADC can measure line voltages up to 667Vpeax which corresponds to a sinusoidal voltage input of 471 Vrms An RC low pass filter at the input to the ADC limits the frequency content of the input signal to around 4 500 Hz The PDU uses current sense resistors also known as shunt resistors to sense the current flowing in the neutral or return of each outlet The value of the current sense resistor is selected to scale the voltage drop across the resistor to the input range of the ADC The sense resistors must also have low resistance value
37. ifferent COM port setup than what is shown here Refer to the Firmware Description Document provided with your board for the correct setup for your firmware Table 1 COM Port Setup Parameters Setup Parameter 78M6618 Port speed baud 38400 Data bits 8 Parity None Stop bits 1 Flow control None HyperTerminal can be found in Windows by selecting Start gt All Programs Accessories gt Communications gt HyperTerminal The connection parameters are configured by selecting File gt Properties The New Connection Properties menu appears New Connection Properties Connect To Settings hb New Connection Change Icon Country region Enter the area code without the long distance prefix Area code Phone number Select COM Port Connect using COM1 Select the appropriate COM port and click Configure The COMn Properties menu appears 10 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual COM5O Properties A Port Settings Bits per second EXT Data bits 8 Parity None Stop bits 1 Elow control Hardware Restore Defaults DK Cancel Apply Note that port parameters can only be adjusted when the connection is not active It may be necessary to click the Disconnect Button shown below to disconnect the port When the terminal emulation program has connected to the correct USB COM port verify operation of the PDU by pressing the
38. indows 2000 and XP Because the USB interface is USB powered the USB driver installation can be completed with no other DC power supplied to the evaluation board 1 Connect a USB AB cable between the host PC and the evaluation board 2 Upon attaching the 78M6618 PDU 1 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 AC power is applied to the 78M6618 PDU 1 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 please check FTDI s website at http www ftdichip com FT Drivers htm 2 2 Connecting the External DC Supply An external DC supply is provided for operation of the evaluation board Follow these steps to connect the 78M6618 PDU1 with the external DC supply 1 Select the appropriate plug for the AC adapter and snap it into place 2 Connect the DC cable of the 12V AC adapter to J48 3 Plug the AC adapter into an appropriate outlet 8 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual 2
39. nal 78M6618 PDU1 evaluation board using a single ended shunt topology The user documentation for this board is available by request This board is no longer available for purchase 36 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual Revision History REVISION REVISION NUMBER DATE DESCRIPTION 1 0 3 10 2010 First publication 20 9 11 Changed the document to reflect the new board revision i Added Appendix B Removed _DIFF from PDU1_DIFF in all places except where referring to the board imprint 3 14 11 Deleted the NI RunTime LabWindows and Trouble Shooting sections These sections are no longer applicable Corrected Table 1 COM Port Setup Parameters Replaced Figure 2 with a new screenshot Rev 3 37
40. nse resistors by increasing the gain of the differential amplifier The PDU evaluation board uses 500 uQ sense resistors with an amplifier gain of 10 With this configuration a peak current of 50A results in full scale input to the ADC This allows the PDU to measure 16A loads with a crest factor slightly greater than 3 ADC Neutral Reference Runknown Runknown Runknown Runknown 78M6618 a Rshunt Rshunt Rshunt Rshunt AC L ac Current sh Sense Inputs o o o o o o o o o o o o l E l l Line AC Return from load Load Current Current Sense Resostor AC Neutral Figure 4 PCB Parasitic Resistance V6P6 e To LPF Differential Amplifier O and ADC Input e GND Figure 5 Differential Amplifier and Current Sense Resistor The layout of the feedback networks for the differential amplifiers is critical to provide true differential operation and to avoid noise pickup due to the high voltages and currents present on the PDU1 board Figure 6 shows a detail view of the current sense resistors the dual op amp and their feedback networks Rev 3 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 Figure 6 Detail View of Differential Amplifiers The op amps and their feedback networks are laid out to minimize the interconnect distance between the current sense resistors an
41. on 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 There are two means to facilitate performance evaluation between the user at the PC host and the firmware code in the 78M6618 PDU1 evaluation board e The graphical user interface GUI For information about the GUI refer to the GUI User Guide e The Command Line Interface CLI via HyperTerminal or comparable terminal emulator on a different operating system For information about the CLI see the Firmware Description Document The 78M6618 PDU1 evaluation board is shipped with demonstration code loaded in the 78M6618 device 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 Demo Unit can be updated using either the Teridian TFP2 or an in circuit emulator such as Signum Systems ADM51 www signum com 1 5 Testing the Evaluation Board Prior to Shipping Before every 78M6618 PDU1 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
42. ppy disk drives Drivers iy Human Interface Devices Driver Signing lets you make sure that installed drivers are Gy IDE ATA ATAPI controllers compatible with Windows Windows Update lets you set up 9 29 Keyboards how Windows connects to Windows Update for drivers 3 Mice and other pointing devices e a E Monitors Driver Signing Windows Update H E Network adapters gy Ft Processors E Hardware profiles provide a way for you to set up and store Sound video and game controllers different hardware configurations m System devices Universal Serial Bus controllers Hardware Profiles Hardware Profiles 3 Take note of the COM port assignment for the USB Serial Port H1 Modems Monitors EM Network adapters PCMCIA adapters Ports COM amp LPT 29 USB Serial Port COMn Sfi Processors E Secure Digital host controllers R Smart card readers 9 Sound video and game controllers System devices Universal Serial Bus controllers UE Ee E E 0 0 0 0 0 E Rev 3 9 78M6618 PDU1 Evaluation Board User Manual UM 6618 022 2 4 Verify Serial Connection to the PC After connecting the USB cable from the 78M6618 PDU 1 to the host PC and powering the PDU board with the 12VDC adapter start the HyperTerminal application or another suitable communication program to create a session using the communication parameters shown in Table 1 The firmware installed in your board may use a d
43. s in order to keep voltage drop and power dissipation to acceptable levels The 78M6618 s ADC has single ended inputs referenced to V3P3 The PCB traces that are used for the line and neutral buses on the PDU board have resistances that are of the same magnitude or greater than that of the acceptable shunts This parasitic resistance appears between the reference end of the sense resistors and the ADCs reference point as illustrated by Figure 4 If the sense resistors are corrected directly to the ADC inputs as shown in Figure 5 it is impossible to separate the voltage across the sense resistors from the voltage across the parasitic resistance in the PCB Because of this current flowing in one outlet will affect the voltage at the ADC current measurement inputs for other channels resulting in channel to channel crosstalk To eliminate this problem differential amplifiers are used between the current sense resistors and the ADC current measurement inputs as shown in Figure 5 The differential amplifier is biased to provide an output centered at 3 3V and rejects the voltage drop due to the PCB resistance which appears as common mode voltage at the amplifier inputs so that the signal presented at the ADC input is 14 Rev 3 UM 6618 022 78M6618 PDU1 Evaluation Board User Manual due only to the voltage drop across the current sense resistor An additional advantage of using the differential amplifier is that it is possible to use lower value se
44. sured by the 78M6618 the differential amplifiers that are used to remove common mode voltage from the input signals to the ADC current channels and the low pass filters that block high frequency signal content from the ADC inputs 3 4 Relay Control Power to each of the 12 outlets on the board is switched by a relay The relays are individually controlled by digital 1 0 DIO lines from the 78M6618 Do to the type of relay driver circuit used on this board the firmware Relay Config register 0x0210 is set equal to 2 This inverts the relay driver input polarity 3 5 Theory of Operation Before describing the operation of the PDU it may be helpful to make note of some of the characteristics of the 78M6618 and the board design 1 The reference for the 78M6618 s ADC is its positive power supply V3P3 not ground 2 The 78M6618 s 3 3V power supply is directly connected to the neutral side of the AC power source As a result the 78M6618 s ground reference is actually 3 3V below the AC neutral 3 5 1 78M6618 Operation The analog multiplexer at the front end of the delta sigma ADC sequentially presents the signals at the 10 analog input pins to the ADC which converts them to digital words which are presented to the 32 bit compute engine CE The CE performs filtering and calculates RMS voltage and current line frequency real power and reactive power The CE transfers its results to the 80515 MPU at the end of each accumulation interval T
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