Set PLC Time/Date .............................................................................................1-8 Set PLC State ......................................................................................................1-8 Toggle Force System Memory............................................................................1-8 Storing and Loading Logic Programs To and From the PLC .............................1-8 Datagrams ...........................................................................................................1-8 Brief Introduction to the SNP Protocol .............................................................................1-9 Definition of Terms ..................................................................................................1-12 Acronyms and Abbreviations ...................................................................................1-12 Basic Terms ..............................................................................................................1-13 Conventions..............................................................................................................1-13 Chapter 2 Configuration ...................................................................................................... 2-1 Serial Setup Parameters.....................................................................................................2-1 Timers.........................................................................................................................2-2 SNP Data Size ............................................................................................................2-3 Chapter 3 SNP Protocol........................................................................................................ 3-1 SNP Message Header.................................................................................................