WAGO-I/O-SYSTEM 750 Table of Contents 3750-455 4AI 4-20mA S.E.ManualVersion 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 ................................................................. 51.1 Validity of this Documentation ................................................................. 51.2 Copyright................................................................................................... 51.3 Symbols ..................................................................................................... 61.4 Number Notation ....................................................................................... 81.5 Font Conventions ...................................................................................... 82 Important Notes ........................................................................................... 92.1 Legal Bases ............................................................................................... 92.1.1 Subject to Changes ............................................................................... 92.1.2 Personnel Qualifications ....................................................................... 92.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance with UnderlyingProvisions ............................................................................................. 92.1.4 Technical Condition of Specified Devices ......................................... 102.2 Safety Advice (Precautions) .................................................................... 113 Device Description ..................................................................................... 133.1 View ........................................................................................................ 143.2 Connectors............................................................................................... 153.2.1 Data Contacts/Internal Bus ................................................................. 153.2.2 Power Jumper Contacts/Field Supply ................................................ 163.2.3 CAGE CLAMP ® Connectors ............................................................. 183.3 Display Elements .................................................................................... 193.4 Operating Elements ................................................................................. 203.5 Schematic Diagram ................................................................................. 213.6 Technical Data ........................................................................................ 223.6.1 Device ................................................................................................. 223.6.2 Supply ................................................................................................. 223.6.3 Communication .................................................................................. 223.6.4 Inputs .................................................................................................. 223.6.5 Connection Type ................................................................................ 233.6.6 Climatic Environmental Conditions ................................................... 233.7 Approvals ................................................................................................ 243.8 Standards and Guidelines ........................................................................ 264 Process Image ............................................................................................. 275 Mounting..................................................................................................... 285.1 Mounting Sequence ................................................................................. 285.2 Inserting and Removing Devices ............................................................ 295.2.1 Inserting the I/O Module .................................................................... 295.2.2 Removing the I/O Module .................................................................. 306 Connect Devices ......................................................................................... 316.1 Connecting a Conductor to the CAGE CLAMP ® ................................... 316.2 Connection Example ............................................................................... 327 Use in Hazardous Environments .............................................................. 337.1 Marking Configuration Examples ........................................................... 347.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 34