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Maxim Integrated 78M6610+LMU, User Manual

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Maxim Integrated 78M6610+LMU User Manual Download Page 26

LMU Evaluation Kit User Manual 

 

 

26 

Rev 1 

 

 
 

Figure 6: LMU Evaluation Board Electrical Schematic (3 of 4) 

 
 

D7

BAS16W/SOT323

GND

GND

D8

BAS16W/SOT323

R37
10K
0603

D6
Green LED
0603

R34

1K
0603

Q2
MMBTA13/SOT

R35
2K
0603

MP0

RL2
16A 5V SPDT
ALZ

3

5

4

1

2

6

7

8

J19

1
2
3
4

+5VISO

J30

1
2
3
4

R25
10K
0603

D5
Green LED
0603

R21

1K
0603

Q1
MMBTA13/SOT

R27
2K
0603

MP10

RL1
16A 5V SPDT
ALZ

3

5

4

1

2

6

7

8

J20

1
2
3
4

J31

1
2
3
4

+5VISO

RLY 1

RLY 2

Remove R21 and R34 if the relays are not needed
and DIO0 and DIO10 are used for other purposes

Summary of Contents for 78M6610+LMU

Page 1: ...e 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 Inte...

Page 2: ...2 1 Jumper Position Changes 10 3 2 2 Device Configuration 10 3 3 Pseudo Isolated Single Phase Measurements Using CTs 21 3 3 1 Jumper Position Changes 23 3 3 2 Device Configuration 23 4 Hardware Setup...

Page 3: ...nnections 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 Figure 5 78M6610 LMU Evaluation Board Electrical...

Page 4: ...YPE 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 7...

Page 5: ...ected directly to Neutral Earth Ground creating a ground reference disparity with any properly grounded external equipment The board components and firmware settings are designed to operate with the f...

Page 6: ...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 Launch...

Page 7: ...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 Co...

Page 8: ...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...

Page 9: ...l Line 2 AC source Figure 2 78M6610 LMU Evaluation Board Connections 1 Connect the AC source Neutral to J15 and the load s 2 Connect the AC source Line 1 to J2 and to J19 Relay1 through the Line 1 CT...

Page 10: ...J10 CT2 to 78M6610 LMU Sensor Slot 1 Installed J9 Jumper Description J9 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference Installed 3 2 2 Device Configuration Use the Configurati...

Page 11: ...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 US...

Page 12: ...ted to the RS 485 transceiver Refer to the IC data sheet for details on the serial protocol Move J12 J17 and J18 jumpers from position 1 2 to position 2 3 to connect the RS 485 transceiver instead of...

Page 13: ...om 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...

Page 14: ...line frequency being measured 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 f...

Page 15: ...e 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 5 1 5 Command Register Tab The Comma...

Page 16: ...ewed and changed and the scaling parameters are also displayed for convenience The calibration and NVRAM are also saved using the provided button 5 1 7 Power Tab The Power tab displays the current pow...

Page 17: ...damental 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 5 1 10 Min Max Tab The...

Page 18: ...Manual 18 Rev 1 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 1...

Page 19: ...Kit User Manual Rev 1 19 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 transactio...

Page 20: ...calculated from the measurements on Line 1 and Neutral Connect USB port to PC AC source Line 1 Neutral Line 2 Load Line 1 CT 1 Connect the AC source Neutral output to J15 2 Connect J8 to Load s Neutra...

Page 21: ...8M6610 LMU Sensor Slot 1 J9 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 senso...

Page 22: ...1 Load 2 N Line N Line Line Neutral AC source Figure 3 78M6610 LMU Evaluation Board Connections 1 Connect the AC source Neutral to J4 and the load s 2 Connect the AC source Line to J2 and to J19 Relay...

Page 23: ...ts J10 CT2 to 78M6610 LMU Sensor Slot 1 Installed J9 Jumper Description J9 Pins Description Jumper 1 2 Connect AC Neutral to V3P3A chip reference 6 2 2 Device Configuration Use the Configuration tab t...

Page 24: ...CON1 1 R69 Rburden C13 1000pF 0603 Y1 20 00MHz 1 2 R80 1K C18 18pF 0603 R29 750 1 0603 R16 1M 0 1 1206W J37 CON1 1 J25 CON1 1 R19 0 0603 R10 1M 0 1 1206W C5 NC 0603 J2 CON4 1 2 3 4 C9 1000pF 0603 C10...

Page 25: ...2 LED4 0603 RED 1 2 LED8 0603 YELLOW 1 2 LED2 0603 AMBER 1 2 R6 470 0603 LED6 0603 BLUE 1 2 R2 470 0603 R7 470 0603 V3P3 V3P3 V3P3 V3P3 V3P3 J24A CON11 1 2 3 4 5 6 7 8 9 10 11 J24B CON11 1 2 3 4 5 6...

Page 26: ...Green LED 0603 R34 1K 0603 Q2 MMBTA13 SOT R35 2K 0603 MP0 RL2 16A 5V SPDT ALZ 3 5 4 1 2 6 7 8 J19 1 2 3 4 5VISO J30 1 2 3 4 R25 10K 0603 D5 Green LED 0603 R21 1K 0603 Q1 MMBTA13 SOT R27 2K 0603 MP10...

Page 27: ...0603 C29 0 1uF 0603 J18 CON3 1 2 3 U8 IL510 3E VDD1 2 IN1 1 GND1 4 OUT1 8 VDD2 7 GND2 5 OUT2 3 IN2 6 J21 CON6 USBB 1 2 3 4 5 6 R40 0 0603 C25 0 033uF 0603 C21 10uF 0805 445 3458 1 ND R50 1M 0603 VR2 V...

Page 28: ...P100P2 14 2 J10 J14 TERM BLK 200 2 TERM BLK 200 2 15 5 J12 J17 J18 J23 J24 CON3 SIP100P3 16 1 J16 CON6 SIP100P6 17 1 J21 CON6 USBB 18 1 J22 CON4 TERM BLK 200 6 19 2 J24B J24A CON11 SIP100P11 20 6 J32...

Page 29: ...rden 0805 40 2 R71 R75 10K 41 2 R55 R76 0 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 I...

Page 30: ...78M6610 LMU Evaluation Kit User Manual 30 Rev 1 7 3 PCB Layout Figure 8 78M6610 LMU Evaluation Board PCB Top View...

Page 31: ...78M6610 LMU Evaluation Kit User Manual Rev 1 Figure 9 78M6610 LMU Evaluation Board PCB Bottom View...

Page 32: ...rmation about Maxim Integrated products or to check the availability of the 78M6610 LMU contact technical support at www maximintegrated com support Revision History REVISION NUMBER REVISION DATE DESC...

Page 33: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Maxim Integrated 78M6610 LMU EK 1 78M6610 LMUEVK1...

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