Table of contents 
 
CPU 410 Process Automation/CPU 410 SMART 
System Manual, 05/2017, A5E31622160-AC 
5 
9  Special functions of the CPU 410 ........................................................................................................ 133 
9.1  Security functions of the CPU 410 ........................................................................................ 133 
9.2  Security levels ....................................................................................................................... 134 
9.3  Security event logging........................................................................................................... 136 
9.4  Field Interface Security ......................................................................................................... 139 
9.5  Access-protected blocks ....................................................................................................... 139 
9.6  Retentive load memory ......................................................................................................... 140 
9.7  Type update with interface change in RUN .......................................................................... 141 
9.8  Resetting the CPU 410 to delivery condition (reset to factory setting) ................................. 142 
9.9  Reset during operation.......................................................................................................... 143 
9.10  Response to fault detection .................................................................................................. 144 
9.11  Reading service data ............................................................................................................ 145 
9.12  Updating firmware in stand-alone operation ......................................................................... 146 
9.13  Updating firmware in redundant mode.................................................................................. 148 
10  Time synchronization and time stamping ............................................................................................. 151 
11  Plant changes in RUN - CiR ................................................................................................................ 155 
11.1  Motivation for CiR via PROFINET IO .................................................................................... 155 
11.2  Permitted changes over PROFINET IO ................................................................................ 157 
11.3  Procedure for PROFINET IO ................................................................................................ 158 
11.3.1  Overview ............................................................................................................................... 158 
11.3.2  Add IO devices or I/O modules ............................................................................................. 159 
11.3.3  Rebuild hardware when adding an IO device ....................................................................... 160 
11.3.4  Change process image partition assignment ....................................................................... 160 
11.3.5  Re-configuring existing I/O modules in IO devices ............................................................... 161 
11.3.6  Replacing IO devices or I/O modules ................................................................................... 161 
11.4  Re-configuring I/O modules and ports in IO devices ............................................................ 161 
11.4.1  Requirements for Reconfiguration ........................................................................................ 161 
11.4.2  I/O module response to re-configuration .............................................................................. 162 
11.4.3  CPU response during reconfiguration ................................................................................... 162 
11.4.4  Reconfiguration Procedure ................................................................................................... 164 
11.4.4.1  Using a Previously Unused Channel .................................................................................... 164 
11.4.4.2  Reconfiguring an already used channel. .............................................................................. 164 
11.4.4.3  Delete an already used channel. .......................................................................................... 166 
11.4.4.4  Change the update time ....................................................................................................... 166 
11.5  Motivation for CiR via PROFINET DP .................................................................................. 166 
11.6  Permitted changes over PROFIBUS DP .............................................................................. 168 
11.7  CiR objects and CiR modules for PROFINET DP ................................................................ 170 
11.7.1  Basic Requirements .............................................................................................................. 170 
11.7.2  Types of CiR Elements ......................................................................................................... 170 
11.7.3  CiR Elements and I/O Address Areas .................................................................................. 171 
11.8  Procedure for PROFIBUS DP ............................................................................................... 172