Installation Manual Owner's manual

iv
Table of Contents
Chapter 1 Introduction................................................................ 1
About This Manual..............................................................................1
About The EM920................................................................................1
Socket Meter Overview.......................................................................3
Chapter 2 Installation ................................................................. 4
Mechanical Installation.......................................................................5
Physical Description ...........................................................................6
Device Structure....................................................................................... 6
Optional Modules location ........................................................................ 6
Meter External connections ...................................................................... 7
Electrical Installation .........................................................................8
Voltage Inputs.......................................................................................... 8
Current Inputs.......................................................................................... 8
Ground Input............................................................................................ 8
Typical Installation................................................................................... 8
FORM 9 Wiring Configurations.................................................................. 8
Input / Output ports options.................................................................... 11
Communications options .......................................................................... 16
Auxiliary Power Supply............................................................................. 21
Chapter 3 Communications.......................................................... 22
Chapter 4 Replacing the Battery.................................................. 23
Appendix: Technical Specifications.............................................. 24
Inputs Ratings....................................................................................24
Power Supply .....................................................................................25
Input/Output ports ............................................................................25
Communication ports..........................................................................27
Console Display Unit...........................................................................28
Real Time Clock ..................................................................................28
Log Memory........................................................................................28
Environmental Conditions...................................................................28
Construction.......................................................................................28
Standards Compliance ........................................................................29
Measurement Specifications...............................................................30