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.....................................................................................................................44
1.2.5 Direct PLC I/Os, addressable from the NC..................................................................................48
1.2.6 Analog-value representation of the NCK analog input/output values ..........................................51
1.2.7 Comparator inputs .......................................................................................................................53
1.3 NCK I/O via PROFIBUS...............................................................................................................57
1.3.1 Functionality .................................................................................................................................57
1.3.2 Parameter assignment.................................................................................................................58
1.3.3 Programming................................................................................................................................60
1.3.3.1 Communication via part programs/synchronous actions.............................................................60
1.3.3.2 Communication via compile cycles ..............................................................................................62
1.4 Constraints ...................................................................................................................................64
1.4.1 NCK I/O via PLC ..........................................................................................................................64
1.4.2 NCK I/O via PROFIBUS...............................................................................................................65
1.5 Examples .....................................................................................................................................66
1.5.1 NCK I/O via PLC ..........................................................................................................................66
1.5.1.1 Writing to PLC-I/Os ......................................................................................................................66
1.5.1.2 Reading from PLC-I/Os................................................................................................................67
1.5.2 NCK I/O via PROFIBUS...............................................................................................................68
1.5.2.1 PROFIBUS-I/O in write direction..................................................................................................68
1.5.2.2 PROFIBUS-I/O in read direction ..................................................................................................70
1.5.2.3 Query of the RangeIndex in case of "PROFIBUS-I/O in write direction" .....................................71
1.6 Data lists ......................................................................................................................................73
1.6.1 Machine data................................................................................................................................73
1.6.1.1 General machine data..................................................................................................................73
1.6.1.2 Channel-specific machine data....................................................................................................74
1.6.2 Setting data ..................................................................................................................................74
1.6.2.1 General setting data.....................................................................................................................74
1.6.3 Signals .........................................................................................................................................74
1.6.3.1 Signals to NC ...............................................................................................................................74
1.6.3.2 Signals from NC...........................................................................................................................75
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
7