WAGO-I/O-SYSTEM 750 Table of Contents 3750-494 3-Phase Power Measurement ModuleManualVersion 1.2.0Pos : 5 /D okumentati on allgemein/Verzeic hnisse/Inhalts verz eichnis - Ü berschrift oG und Verzei chnis @ 3\mod_1219151230875_21.doc x @ 21063 @ @ 1Table of Contents1 Notes about this Documentation ................................................................. 61.1 Validity of this Documentation ................................................................. 61.2 Revision History........................................................................................ 71.3 Copyright................................................................................................... 71.4 Symbols ..................................................................................................... 81.5 Number Notation ..................................................................................... 101.6 Font Conventions .................................................................................... 102 Important Notes ......................................................................................... 112.1 Legal Bases ............................................................................................. 112.1.1 Subject to Changes ............................................................................. 112.1.2 Personnel Qualifications ..................................................................... 112.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance withUnderlying Provisions ........................................................................ 112.1.4 Technical Condition of Specified Devices ......................................... 122.2 Safety Advice (Precautions) .................................................................... 133 Device Description ..................................................................................... 153.1 View ........................................................................................................ 163.2 Connectors............................................................................................... 173.2.1 Data Contacts/Internal Bus ................................................................. 173.2.2 Power Jumper Contacts/Field Supply ................................................ 173.2.3 CAGE CLAMP ® Connectors ............................................................. 183.3 Display Elements .................................................................................... 193.4 Operating Elements ................................................................................. 203.5 Schematic Diagram ................................................................................. 213.6 Technical Data ........................................................................................ 233.6.1 Dimensions and Weight ..................................................................... 233.6.2 Voltage Supply ................................................................................... 233.6.3 Measuring Inputs ................................................................................ 233.6.4 Measured Values ................................................................................ 243.6.5 Internal Bus Communication.............................................................. 253.6.6 Connection Type ................................................................................ 253.6.7 Climatic Environmental Conditions ................................................... 263.7 Approvals ................................................................................................ 273.8 Standards and Guidelines ........................................................................ 294 Function Description ................................................................................. 304.1 Measuring Principle ................................................................................ 304.2 Measured Values ..................................................................................... 304.3 Description of Measured Values ............................................................. 324.4 Measuring Errors and Accuracy.............................................................. 385 Process Image ............................................................................................. 405.1 Overview of Process Data ....................................................................... 405.2 Output Data ............................................................................................. 415.2.1 Definition of Control Words .............................................................. 415.2.2 Definition of Output Data Words ....................................................... 425.3 Input Data ................................................................................................ 43