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4 Table of Contents WAGO-I/O-SYSTEM 750
750-495 3-Phase Power Measurement Module
5.3.2 Definition of Input Data Words .......................................................... 42
5.4 Process Image Descriptions .................................................................... 46
5.4.1 Collection AC Measured Values (010) .............................................. 47
5.4.2 Collections for Harmonics Analysis (020, 021, 022) ......................... 48
5.4.3 Building-up the Measured Values ...................................................... 50
5.5 Collections of Measured Values ............................................................. 51
5.5.1 Collection 010 – AC Measured Values .............................................. 51
5.5.2 Collection 020 – Harmonics Analysis on L1 ..................................... 56
5.5.3 Collection 021 – Harmonics Analysis on L2 ..................................... 57
5.5.4 Collection 022 – Harmonics Analysis on L3 ..................................... 58
5.6 Examples of Calculating the Measured Values from the Process Values59
6 Mounting ..................................................................................................... 63
6.1 Mounting Sequence ................................................................................. 63
6.2 Inserting and Removing Devices ............................................................ 64
6.2.1 Inserting I/O Module .......................................................................... 64
6.2.2 Removing the I/O Module .................................................................. 65
7 Connect Devices ......................................................................................... 66
7.1 Connecting a Conductor to the CAGE CLAMP ® ................................... 66
7.2 Voltage Measurement ............................................................................. 67
7.3 Current Measurement .............................................................................. 68
7.3.1 Current Measurement on a Motor ...................................................... 68
7.3.2 Current Transformers ......................................................................... 69
7.3.3 ‘Rogowski’ Coils ................................................................................ 71
7.3.4 Additional Measuring Instruments in a Current Path ......................... 71
7.4 Power Measurement ................................................................................ 72
8 Commissioning ........................................................................................... 73
8.1 Configuration with WAGO-I/O-CHECK ............................................... 74
8.1.1 “Application“ Tab .............................................................................. 77
8.1.2 "Phase L1”, “Phase L2”, “Phase L3” Tabs ........................................ 79
8.1.3 “Neutral Conductor” Tab ................................................................... 81
8.1.4 “I/O Module“ Tab............................................................................... 82
8.1.5 “Energy“ Tab ...................................................................................... 85
8.1.6 "Factory Settings" Tab ....................................................................... 87
8.2 Displaying the Measured Values via WAGO-I/O-CHECK .................... 89
9 Diagnostics .................................................................................................. 98
10 Appendix ..................................................................................................... 99
10.1 Examples of CSV Data Files ................................................................... 99
10.1.1 Snapshot ............................................................................................. 99
10.1.2 Measurement Recording ................................................................... 103
10.2 Factory Settings ..................................................................................... 104
10.3 Register Assignment ............................................................................. 106
10.4 Parameter Assignment .......................................................................... 112
List of Figures .................................................................................................... 119
List of Tables ...................................................................................................... 120
Manual
Version 1.0.0