Table of Contents
Chapter 1 Introduction............................................................................................ 1
About This Manual.......................................................................................................... 1
About The EM720........................................................................................................... 1
Chapter 2 Installation ............................................................................................. 3
Mechanical Installation ................................................................................................... 3
Electrical Installation ....................................................................................................... 5
Voltage Inputs...........................................................................................................................6
Current Inputs...........................................................................................................................6
Signal Ground Input..................................................................................................................6
Connectors location ..................................................................................................................6
Typical Installation ....................................................................................................................7
Wiring Configurations ...............................................................................................................8
Communications options ..........................................................................................................14
Auxiliary Power Supply .............................................................................................................18
Location of Modules..................................................................................................................19
Inputs Ratings................................................................................................................. 22
Power Supply ................................................................................................................. 24
Input/Output ports ........................................................................................................... 24
Communication ports...................................................................................................... 25
Console Display Unit ...................................................................................................... 26
Real Time Clock ............................................................................................................. 26
Log Memory.................................................................................................................... 26
Environmental Conditions ............................................................................................... 26
Construction ................................................................................................................... 26
Standards Compliance ................................................................................................... 27
iii
Need help?
Do you have a question about the expertmeter EM720 and is the answer not in the manual?