WAGO SYSTEM 750 - Page 4

4 Table of Contents WAGO-I/O-SYSTEM 750
750-493 3-Phase Power Measurement Module
Manual
Version 1.2.0
6 Mounting ..................................................................................................... 47
6.1 Mounting Sequence ................................................................................. 47
6.2 Inserting and Removing Devices ............................................................ 48
6.2.1 Inserting the I/O Module .................................................................... 48
6.2.2 Removing the I/O Module .................................................................. 49
7 Connect Devices ......................................................................................... 50
7.1 Connecting a Conductor to the CAGE CLAMP
®
................................... 50
7.2 Voltage Measurement ............................................................................. 51
7.3 Current Measurement .............................................................................. 52
7.3.1 Current Measurement on a Motor ...................................................... 52
7.3.2 Current Transformers ......................................................................... 53
7.3.2.1 Accuracy ........................................................................................ 53
7.3.2.2 Types of Current ............................................................................ 53
7.3.2.3 Overcurrent Limiting Factor FS .................................................... 53
7.3.2.4 Protection against Shock Hazard Voltages .................................... 54
7.3.3 Additional Measuring Instruments in the Current Path ...................... 55
7.4 Power Measurement ................................................................................ 56
7.4.1 Power Measurement on a Machine .................................................... 56
7.4.2 56
8 Commissioning ........................................................................................... 57
8.1 Configuration with WAGO-I/O-CHECK ............................................... 58
8.1.1 "Application" Tab ............................................................................... 61
8.1.2 "Phase L1”, “Phase L2”, “Phase L3” Tabs ........................................ 62
8.1.3 "I/O Module" Tab ............................................................................... 64
8.1.4 "Energy" Tab ...................................................................................... 65
8.1.5 "Factory Settings" Tab ....................................................................... 66
8.1.6 Register Assignment ........................................................................... 67
8.2 Displaying the Measured Values via WAGO-I/O-CHECK .................... 70
9 Diagnostics .................................................................................................. 77
10 Appendix ..................................................................................................... 78
10.1 CSV Data File “Snapshot” ...................................................................... 78
10.2 CSV Data File “Measurement Recording” ............................................. 80
11 Use in Hazardous Environments .............................................................. 81
11.1 Marking Configuration Examples ........................................................... 82
11.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 82
11.1.2 Marking for America According to NEC 500 .................................... 87
11.2 Installation Regulations ........................................................................... 88
11.2.1 Special Conditions for Safe Use (ATEX Certificate TÜV 07 ATEX
554086 X) ........................................................................................... 89
11.2.2 Special Conditions for Safe Use (ATEX Certificate TÜV 12 ATEX
106032 X) ........................................................................................... 90
11.2.3 Special Conditions for Safe Use (IEC-Ex Certificate TUN 09.0001 X)91
11.2.4 Special Conditions for Safe Use (IEC-Ex Certificate IECEx TUN
12.0039 X) .......................................................................................... 92
11.2.5 Special Conditions for Safe Use According to ANSI/ISA 12.12.01 .. 93
List of Figures ...................................................................................................... 94