WAGO 750-495/040-00 Series Manual page 4

4 Table of Contents
4.4.2
4.4.3
5 Process Image ......................................................................................... 59
5.1 Overview of the Process Data .............................................................. 60
5.2 Output Data .......................................................................................... 61
5.2.1
5.2.2
5.3 Input Data ............................................................................................. 63
5.3.1
5.3.2
5.4 Descriptions for the Process Image ...................................................... 72
5.4.1
5.4.2
5.4.3
5.5 Measured Value Collections ................................................................. 77
5.5.1
5.5.2
5.6 Examples of the Calculation of the Measured Values from the
Process Values .................................................................................... 82
6 Mounting .................................................................................................. 86
6.1 Mounting Sequence .............................................................................. 87
6.2 Inserting and Removing Devices .......................................................... 88
6.2.1
6.2.2
7 Connect Devices ..................................................................................... 91
7.1 Protection against Hazardous Touch Voltages ..................................... 91
7.2 Shielding .............................................................................................. 93
7.2.1
7.2.2
7.2.3
7.2.4
7.3 Connecting a Conductor to the CAGE CLAMP
7.4 Current Measurement ........................................................................... 96
7.4.1
7.4.1.1
7.4.1.2
7.4.1.3
7.4.2
7.4.3
7.5 Voltage Measurement ........................................................................ 101
7.6 Power Measurement with 4-Wire Connection on Y Networks ............. 103
7.6.1
7.6.1.1
7.6.1.1.1
7.6.1.1.2
7.6.1.2
Manual
Version 1.2.0
750-495/040-00x 3-Phase Power Measurement Module 690 V
3-Wattmeter Method (Artificial Star Point - ASP) ............................. 58
Harmonic Analysis ........................................................................... 58
Definition of the Control Words ........................................................ 61
Definition of the Output Words ......................................................... 62
Definition of the Status Words .......................................................... 63
Definition of the Input Data Words.................................................... 68
AC Measured Value Collection (010) ............................................... 73
Harmonic Analysis Collections (020, 021, 022) ................................ 74
Transient Reaction Measured Values .............................................. 76
Collection 010 - AC Measured Values ............................................. 77
Collections 020, 021 and 022 - Harmonic Analysis .......................... 81
Inserting the I/O Module ................................................................... 89
Removing the I/O Module ................................................................ 90
General ............................................................................................ 93
Fieldbus Cables ............................................................................... 93
Shielded Signal Lines....................................................................... 94
WAGO Shield Connecting System ................................................... 94
Current Transformers ....................................................................... 96
Accuracy ..................................................................................... 97
Current Types .............................................................................. 97
Overcurrent Limiting Factor FS .................................................... 98
Rogowski Coils ................................................................................ 99
Current Measurement on a Load ................................................... 100
Measurement of U up to 400 V
LN
Measurement in Grounded 3-Phase Networks with Neutral
Conductor .................................................................................. 105
Voltage Measurement on 3 Line Conductors ........................ 106
Voltage Measurement on 2 Line Conductors ........................ 108
Measurement in Grounded Single-Phase Networks .................. 110
WAGO-I/O-SYSTEM 750 XTR
®
................................... 95
............................................... 105
RMS