Siemens SINUMERIK Series

Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
7
Contents
Preface ...................................................................................................................................................... 3
1
A4: Digital and analog NCK I/Os for SINUMERIK 840D sl....................................................................... 25
1.1
Introduction ..................................................................................................................................25
1.2
Access via PLC............................................................................................................................27
1.2.1
Brief description ...........................................................................................................................27
1.2.2
Configuration of the NCK I/Os .....................................................................................................28
1.2.3
NCK digital inputs/outputs............................................................................................................31
1.2.3.1
NCK digital inputs ........................................................................................................................31
1.2.3.2
NCK digital outputs ......................................................................................................................32
1.2.3.3
Connection and logic operations of fast digital NCK I/Os............................................................35
1.2.4
NCK analog I/Os ..........................................................................................................................37
1.2.4.1
NCK analog inputs .......................................................................................................................37
1.2.4.2
NCK analog outputs.....................................................................................................................39
1.2.4.3
Representation of the NCK analog input/output values...............................................................43
1.2.5
Comparator inputs .......................................................................................................................45
1.2.6
Direct PLC I/Os, addressable from the NC..................................................................................48
1.2.6.1
Function .......................................................................................................................................48
1.2.6.2
Supplementary conditions............................................................................................................51
1.2.6.3
Examples .....................................................................................................................................52
1.3
Access via PROFIBUS ................................................................................................................54
1.3.1
Brief description ...........................................................................................................................54
1.3.2
Configuration of the I/O ranges....................................................................................................56
1.3.3
Data exchange.............................................................................................................................58
1.3.3.1
Communication via part programs/synchronous actions.............................................................58
1.3.3.2
Communication via compile cycles..............................................................................................61
1.3.4
Supplementary conditions............................................................................................................62
1.3.5
Examples .....................................................................................................................................63
1.3.5.1
PROFIBUS-I/O in write direction..................................................................................................63
1.3.5.2
PROFIBUS-I/O in read direction..................................................................................................65
1.3.5.3
Query of the RangeIndex in case of "PROFIBUS-I/O in write direction".....................................66
1.4
Data lists ......................................................................................................................................68
1.4.1
Machine data................................................................................................................................68
1.4.1.1
General machine data..................................................................................................................68
1.4.1.2
Channelspecific machine data.....................................................................................................69
1.4.2
Setting data..................................................................................................................................69
1.4.2.1
General setting data.....................................................................................................................69
1.4.3
Signals .........................................................................................................................................69
1.4.3.1
Signals to NC ...............................................................................................................................69
1.4.3.2
Signals from NC...........................................................................................................................70