Instruction Manual

4 EM720 Power Quality and Revenue Meter
Table of Contents
Chapter 1 Introduction ............................................................... 8
Chapter 2 Operating the EM720................................................ 14
Controls and Indicators ........................................................................... 14
TEST Mode ............................................................................................... 15
Device Diagnostics................................................................................... 15
Meter Security.......................................................................................... 16
Meter Clock and Time Synchronization.................................................... 17
Monitoring Meter Batteries ...................................................................... 17
Billing and Energy Metering..................................................................... 18
Instrumentation Metering ....................................................................... 20
Instrument Transformer Correction ........................................................ 21
Power Transformer/Line Loss Compensation.......................................... 22
Operating Digital Inputs .......................................................................... 22
Operating Relay Outputs.......................................................................... 23
Operating the Logical Controller.............................................................. 24
Operating the Event Recorder.................................................................. 24
Operating the EN50160 Power Quality Recorder..................................... 24
Operating the Fast Transient Recorder.................................................... 25
Operating the Fault Recorder................................................................... 25
Communicating with the EM720.............................................................. 25
Auxiliary AC/DC Backup Power Supplies................................................. 29
Chapter 3 Using Front Display .................................................. 30
Display Operations................................................................................... 30
Navigation Buttons ................................................................................ 30
Navigating in Data Display Mode.............................................................. 31
Status Indicators ................................................................................... 32
Display Features.................................................................................... 33
Measurement Units................................................................................ 34
Data Displays........................................................................................... 35
TEST Mode Data Display......................................................................... 35
Billing Period Data Displays..................................................................... 35
Engineering Maximum Demand Data Display............................................. 39
Engineering Data Display........................................................................ 41
Setup Data Display ................................................................................ 42
Device Info Display................................................................................ 42
Device Diagnostics Display...................................................................... 43
Programming Mode ................................................................................. 45
Navigation Buttons ................................................................................ 45
Entering Numeric Values......................................................................... 45
Password Security ................................................................................. 45
Setup Menus and Access Rights............................................................... 46
Viewing and Changing Setup Options ....................................................... 46
Chapter 4 Using PAS Software.................................................. 48
Software Installation............................................................................... 48
Installing PAS........................................................................................ 48
Installing the USB Driver ........................................................................ 48
Creating a New Site for your Meter.......................................................... 51