Table Of Contents - Siemens SINUMERIK 840D sl Function Manual

Table of contents

Preface.........................................................................................................................................................3
1 Fundamental safety instructions.................................................................................................................27
1.1 General safety instructions.....................................................................................................27
1.2 Industrial security...................................................................................................................27
2 A4: Digital and analog NC I/O for SINUMERIK 840D sl.............................................................................29
2.1 Introduction............................................................................................................................29
2.2 Indirect I/O access via PLC....................................................................................................30
2.2.1 Brief description.....................................................................................................................30
2.2.2 Parameterization....................................................................................................................31
2.2.3 System variables....................................................................................................................34
2.2.4 Comparator inputs..................................................................................................................34
2.2.5 Digital NC I/Os.......................................................................................................................34
2.2.5.1 Digital inputs...........................................................................................................................34
2.2.5.2 Digital outputs........................................................................................................................36
2.2.5.3 Connection and logic operations of fast digital I/Os...............................................................39
2.2.6 Analog NC I/Os......................................................................................................................41
2.2.6.1 Analog inputs.........................................................................................................................41
2.2.6.2 Analog outputs.......................................................................................................................44
2.2.6.3 Representation of the analog I/O values................................................................................48
2.2.7 Comparator inputs..................................................................................................................49
2.3 Direct I/O access via PLC......................................................................................................54
2.3.1 Parameterization....................................................................................................................54
2.3.2 Reading/writing: System variables.........................................................................................56
2.3.3 Supplementary conditions......................................................................................................57
2.3.4 Examples...............................................................................................................................57
2.3.4.1 Writing to PLC-I/Os................................................................................................................57
2.3.4.2 Reading from PLC-I/Os..........................................................................................................58
2.4 Direct I/O access without PLC...............................................................................................59
2.4.1 Brief description.....................................................................................................................59
2.4.2 Parameter assignment...........................................................................................................61
2.4.3 Reading/writing......................................................................................................................62
2.4.3.1 System variables....................................................................................................................62
2.4.3.2 Bindings (compile cycles).......................................................................................................64
2.4.4 Supplementary conditions......................................................................................................66
2.4.5 Examples...............................................................................................................................66
2.4.5.1 Writing to the NC I/O..............................................................................................................66
2.4.5.2 Reading from the NC I/O........................................................................................................68
2.4.5.3 Writing of the NC I/O with status query..................................................................................69
2.5 Data lists................................................................................................................................71
2.5.1 Machine data..........................................................................................................................71
2.5.1.1 General machine data............................................................................................................71
2.5.1.2 Channelspecific machine data...............................................................................................72
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
9