Siemens SIMATIC ET 200M

Table of contents
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
9
7.10 Updating the IM 153-x................................................................................................................117
7.10.1 When should you update the IM 153-x? ....................................................................................117
7.10.2 Update of the IM 153-1 / -2Ax0x................................................................................................117
7.10.3 Update of the IM 153-2Bx00......................................................................................................118
7.10.4 How to update the IM 153-2Bxx1...............................................................................................122
7.11 Saving data and updating the IM 153-4 PN...............................................................................124
8 Functions............................................................................................................................................... 129
8.1 Support for I/O modules with expanded input data....................................................................129
8.2 Time stamping the input signals with IM 153-2..........................................................................130
8.2.1 Principles....................................................................................................................................130
8.2.2 Functionalities ............................................................................................................................132
8.2.2.1 Time stamp with 10 ms precision...............................................................................................132
8.2.2.2 Highly precise time stamp with 1 ms precision..........................................................................134
8.2.2.3 Time synchronization for time stamping ....................................................................................135
8.2.2.4 Time stamping in the redundant system....................................................................................140
8.2.3 Time stamping within the S7-400...............................................................................................141
8.2.3.1 With STEP 7 in customer applications.......................................................................................141
8.2.3.2 With the PCS 7 system solution.................................................................................................141
8.2.4 Time stamping outside of S7-400 ..............................................................................................143
8.2.4.1 Prerequisites ..............................................................................................................................143
8.2.4.2 Operating principle.....................................................................................................................147
8.2.4.3 Brief introduction to commissioning the time stamping .............................................................149
8.2.4.4 Time synchronization .................................................................................................................150
8.2.4.5 Configuring the time stamping ...................................................................................................150
8.2.4.6 Structure of the process interrupt...............................................................................................154
8.2.4.7 Structure of the IM 153-2 messages..........................................................................................156
8.2.4.8 Significance of special messages..............................................................................................158
8.2.4.9 Diagnosis for time stamping............................
...........................................................................158
8.3 Clock
synchronization on the I/O bus ........................................................................................161
8.4 Redundancy with IM 153-2 ........................................................................................................162
8.5 System modification during operation........................................................................................165
8.5.1 System modification in a non-redundant system.......................................................................165
8.5.2 System modification in a redundant system ..............................................................................166
8.6 Isochrone mode .........................................................................................................................168
8.6.1 What is Isochronous? ................................................................................................................168
8.6.2 Configuring the isochrone mode................................................................................................171
8.7 Identification and maintenance data (I&M data) ........................................................................175
8.7.1 I&M data for PROFIBUS DP......................................................................................................176
8.7.2 I&M data for PROFINET IO .......................................................................................................180
8.8 Direct data exchange .................................................................................................................182
8.9 SNMP.........................................................................................................................................183