Table Of Contents - Siemens SINUMERIK 840D sl Function Manual

Contents
Preface ...................................................................................................................................................... 3
1 Digital and analog NCK I/Os (A4) ............................................................................................................ 25
1.1 Brief Description...........................................................................................................................25
1.2 NCK I/O via PLC ..........................................................................................................................26
1.2.1 General functionality ....................................................................................................................26
1.2.2 NCK digital inputs/outputs............................................................................................................33
1.2.2.1 NCK digital inputs ........................................................................................................................33
1.2.2.2 NCK digital outputs ......................................................................................................................35
1.2.3 Connection and logic operations of fast NCK inputs/outputs ......................................................38
1.2.4 NCK analog inputs/outputs ..........................................................................................................40
1.2.4.1 NCK analog inputs .......................................................................................................................40
1.2.4.2 NCK analog outputs.....................................................................................................................43
1.2.5 Direct PLC I/Os, addressable from the NC..................................................................................46
1.2.6 Analog-value representation of the NCK analog input/output values ..........................................49
1.2.7 Comparator inputs .......................................................................................................................51
1.3 NCK I/O via PROFIBUS...............................................................................................................54
1.3.1 Functionality .................................................................................................................................54
1.3.2 Parameter assignment.................................................................................................................55
1.3.3 Programming................................................................................................................................57
1.3.3.1 Communication via part programs/synchronous actions.............................................................57
1.3.3.2 Communication via compile cycles ..............................................................................................59
1.4 Constraints ...................................................................................................................................61
1.4.1 NCK I/O via PLC ..........................................................................................................................61
1.4.2 NCK I/O via PROFIBUS...............................................................................................................62
1.5 Examples .....................................................................................................................................63
1.5.1 NCK I/O via PLC ..........................................................................................................................63
1.5.1.1 Writing to PLC-I/Os ......................................................................................................................63
1.5.1.2 Reading from PLC-I/Os................................................................................................................64
1.5.2 NCK I/O via PROFIBUS...............................................................................................................65
1.5.2.1 PROFIBUS-I/O in write direction..................................................................................................65
1.5.2.2 PROFIBUS-I/O in read direction ..................................................................................................67
1.5.2.3 Query of the RangeIndex in case of "PROFIBUS-I/O in write direction" .....................................68
1.6 Data lists ......................................................................................................................................70
1.6.1 Machine data................................................................................................................................70
1.6.1.1 General machine data..................................................................................................................70
1.6.1.2 Channel-specific machine data....................................................................................................71
1.6.2 Setting data ..................................................................................................................................71
1.6.2.1 General setting data.....................................................................................................................71
1.6.3 Signals .........................................................................................................................................71
1.6.3.1 Signals to NC ...............................................................................................................................71
1.6.3.2 Signals from NC...........................................................................................................................72
Extended Functions
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
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