Contents
General Information 4
Copyright 4
Protected trademarks 4
Liability disclaimer 4
Comments on the manual 4
Meaning of the symbols used 5
Inspection on receipt 6
Scope of supply 7
Available accessories 7
Notes on Use 8
Product Description 10
Intended use 10
UMG604 features 11
Methods of measurement 12
Operating concept 12
GridVis programming software 13
Three-phase 4-conductor systems 14
Three-phase 3-conductor systems 16
Use 18
Key functions 18
Concealed key (service) 18
Display mode 19
Programming mode 20
Display password 21
Homepage password 21
Installation 22
Installed position 22
Power supply voltage 23
Current measurement 24
Ammeter 26
Direct measurement 28
Voltage measurement 30
Interfaces 32
RS485 34
RS485 profibus DP V0 slave 36
Digital inputs and outputs 38
Temperature measurement input 42
Putting into Service 43
Applying the power supply voltage 43
Frequency measurement 43
Applying the measuring-circuit voltage 44
Phase sequence 45
Applying the measuring-circuit current 45
Checking the power measurement 46
Configuration 48
Current transformer ratio 48
Current measurement connection options 49
Voltage transformer ratio 50
Voltage measurement connection options 51
Interfaces 52
RS485 52
RS232 52
Ethernet (optional) 53
Profibus (optional) 54
Recordings 55
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