Important Notes •3
Legal Bases
WAGO-I/O-SYSTEM 750
I/O Modules
Content
1Important Notes .......................................................................................... 5
1.1 Legal Bases...............................................................................................5
1.1.1 Copyright.............................................................................................5
1.1.2 Personnel Qualifications......................................................................5
1.1.3 Use of the 750 Series in Compliance with Underlying Provisions .....6
1.1.4 Technical Condition of Specified Devices ..........................................6
1.2 Standards and Guidelines for Operating the 750 Series...........................7
1.3 Symbols....................................................................................................8
1.4 Safety Information....................................................................................9
1.5 Font Conventions ................................................................................... 10
1.6 Number Notation....................................................................................10
1.7 Scope ......................................................................................................10
2I/O Modules ............................................................................................... 12
2.1 Analog Input Modules............................................................................ 12
2.1.1 Overview Analog Input Modules for RTD's 750-461 (/xxx-xxx)..... 12
2.1.2 750-461, (/xxx-xxx) [2 AI Pt100/ RTD] ...........................................13
2.1.2.1 Variations...................................................................................... 13
2.1.2.2 View..............................................................................................14
2.1.2.3 Description.................................................................................... 14
2.1.2.4 Display Elements ..........................................................................15
2.1.2.5 Schematic Diagram....................................................................... 16
2.1.2.6 Technical Data .............................................................................. 17
2.1.2.7 Process Image ...............................................................................19
2.1.2.7.1 I/O Modules for Pt Resistance Sensors....................................19
2.1.2.7.1.1 Pt 100................................................................................... 21
2.1.2.7.1.2 Pt 1000................................................................................. 21
2.1.2.7.1.3 Pt 100 with Status Information for S5-FB250 in Data Word22
2.1.2.7.2 I/O Modules for Ni Resistance Sensors ...................................23
2.1.2.7.2.1 Ni 100 .................................................................................. 23
2.1.2.7.2.2 Ni 1000 TK6180..................................................................24
2.1.2.7.3 I/O Modules for Resistance Measuring....................................25
2.1.2.8 Adjustable 750-461/003-000 Variation ........................................26
2.1.3 750-461/020-000 [2 AI NTC 20kOhm].............................................28
2.1.3.1 View..............................................................................................28
2.1.3.2 Description.................................................................................... 29
2.1.3.3 Display Elements ..........................................................................30
2.1.3.4 Schematic Diagram....................................................................... 30
2.1.3.5 Technical Data .............................................................................. 31
2.1.3.6 Process Image ...............................................................................32
3Use in Hazardous Environments .............................................................33
3.1 Identification ..........................................................................................34
3.1.1 For Europe according to CENELEC and IEC...................................34
3.1.2 For America according to NEC 500.................................................. 37
3.2 Installation Regulations..........................................................................38
