
Application Module FM 458 - User Manual
iii
6DD1904-0AE0 Edition 12.2001
Contents
1 Definitions .............................................................................................1-1
2 Product description .............................................................................. 2-1
2.1 Application module FM 458 ....................................................................2-1
2.1.1 Application and design ............................................................................2-1
2.1.2 Performance features .............................................................................2-4
2.1.3 Supplementary components ...................................................................2-5
2.1.4 Connections 2-6
2.1.5 Status displays ........................................................................................2-8
2.1.6 Technical data.........................................................................................2-9
2.2 I/O expansion module EXM 438 ..........................................................2-10
2.2.1 Application and design ..........................................................................2-10
2.2.2 Performance features ...........................................................................2-11
2.2.3 Supplementary components .................................................................2-12
2.2.4 Connection possibilities ........................................................................2-13
2.2.5 Incremental encoder settings................................................................2-20
2.2.6 Technical data.......................................................................................2-21
2.3 I/O expansion module EXM 438-1 .......................................................2-25
2.3.1 Application and design ..........................................................................2-25
2.3.2 Performance features ...........................................................................2-26
2.3.3 Supplementary components .................................................................2-26
2.3.4 Connection possibilities ........................................................................2-26
2.3.5 Incremental encoder settings................................................................2-27
2.3.6 Technical data.......................................................................................2-28
2.4 Communications expansion module EXM 448 .....................................2-30
2.4.1 Application and design ..........................................................................2-30
2.4.2 Performance features ...........................................................................2-31
2.4.3 Supplementary components .................................................................2-32
2.4.4 Installing the option module ..................................................................2-32
2.1.5 Connection possibilities ........................................................................2-34
2.1.6 Status displays ......................................................................................2-36
2.1.7 Technical data.......................................................................................2-36
3 Mounting................................................................................................3-1
3.1 Mounting the expansion modules ........................................................... 3-1
3.2 Installing the assembly into the SIMATIC subrack..................................3-7
3.3 Application information and noise immunity............................................3-8
4 Configuring............................................................................................ 4-1
4.1 Freely configuring the FM 458 application module .................................4-1
4.2 Configuring and parameterizing the components ...................................4-2
4.3 Coupling to the SIMATIC S7-CPU ..........................................................4-5
4.3.1 Overview of the 3 data transfer types, FM 458 ←→ SIMATIC-CPU ...... 4-6
4.3.2 Initiating a process interrupt on SIMATIC-CPU ......................................4-7
4.3.3 Data transfer via I/O accesses................................................................4-8
4.3.4 Transferring data sets........................................................................... 4-11
4.4 SIMOLINK drive coupling......................................................................4-14