LMU Evaluation Kit User Manual
2
Rev 1
Table of Contents
1
Introduction ......................................................................................................................................... 4
1.1
Ordering Information .................................................................................................................. 4
1.2
Package Contents...................................................................................................................... 4
1.3
System Requirements ............................................................................................................... 4
1.4
Safety and ESD Notes ............................................................................................................... 5
1.5
Testing the LMU EV Board Prior to Shipping ........................................................... 5
2
USB Driver Installation ....................................................................................................................... 6
2.1.1
Confirm COM Port Mapping ............................................................................................. 6
2.1.2
FTDI COM Port Trouble Shooting .................................................................................... 6
3
Hardware Setup: Sensor Interface .................................................................................................... 7
3.1
Single-Phase Measurements using Shunts ............................................................................... 7
3.1.1
Jumper and Switch Descriptions ...................................................................................... 8
3.1.2
Device Configuration ........................................................................................................ 8
3.2
Single/Multiphase Measurements Using CTs ............................................................................ 9
3.2.1
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: Digital Interface .................................................................................................... 11
4.1
USB Interface ........................................................................................................................... 11
4.2
RS-485 Interface ...................................................................................................................... 12
5
Graphical User Interface (GUI) ......................................................................................................... 13
5.1
GUI Initialization ....................................................................................................................... 13
5.1.1
SSI Tab .......................................................................................................................... 13
5.1.2
Device Tab ..................................................................................................................... 14
5.1.3
Direct Tab ....................................................................................................................... 14
5.1.4
Configuration Tab ........................................................................................................... 15
5.1.5
Command Register Tab ................................................................................................. 15
5.1.6
Calibration Tab ............................................................................................................... 16
5.1.7
Power Tab ...................................................................................................................... 16
5.1.8
Energy Tab ..................................................................................................................... 17
5.1.9
Fundamental Tab ........................................................................................................... 17
5.1.10
Min/Max Tab ................................................................................................................. 17
5.1.11
Alarms Tab ................................................................................................................... 18
5.1.12
Monitor Tab, .................................................................................................................. 19
6
Hardware Design Information .......................................................................................................... 24
6.1
Board Schematics .................................................................................................................... 24
6.2
Bill of Materials ......................................................................................................................... 28
6.3
PCB Layout .............................................................................................................................. 30
7
Contact Information .......................................................................................................................... 32
Revision History ........................................................................................................................................ 32
