Posted 28 May 2011 Hi, I have CPU PLC S7-300 type CPU314 with P/N : 314-1AG13-0AB0. At the moment this type is DEFECT and I have SPARE with difference P/N, these two spares are : 6ES7314-1AE04-0AB0 6ES7314-6CG03-0AB0 Please help me to get information about these two types SPARES, SI IT POSSIBLE TO REPLACE THE DEFECT ONE ( 6ES7314-1AG13-0AB0 ) ?? What are the difference among these 3 types ? indra Share this post Link to post Share on other sites
Posted 29 May 2011 (edited) Goto the hardware config in Step 7 and you will see the differences between the CPU's Edited 29 May 2011 by Moggie Share this post Link to post Share on other sites
Posted 6 Jun 2011 The 6ES7314-1AE04-0AB0 has less memory, depending on the size of your prorgram it may work or not. The 6ES7314-6CG03-0AB0 should work without any problem, of course you will need to change the hardware configuration. Share this post Link to post Share on other sites