5.3.8 Storing a Configuration from a Programmer ......................................................................................... 78
5.4 Autoconfiguration.................................................................................................................................. 79
5.4.1 Autoconfiguration Assigns Reference Addresses................................................................................... 79
5.4.2 Autoconfiguration Diagnostics .......................................................................................................... 79
5.4.3 Diagnostic Message Summary ........................................................................................................... 80
6 Ethernet Configuration ................................................................................................................. 81
6.1 Ethernet Configuration Overview ............................................................................................................. 82
6.1.1 Autoconfiguration ........................................................................................................................... 82
6.2 Configuring the Ethernet Interface ............................................................................................................ 83
6.3 Configuring Ethernet Global Data ............................................................................................................. 85
6.3.1 Before You Configure EGD Exchanges ............................................................................................... 85
6.4 Configuring a Global Data Exchange for a Producer..................................................................................... 86
6.5 Configuring a Global Data Exchange for a Consumer ................................................................................... 87
6.5.1 Selective Consumption..................................................................................................................... 88
6.6 Configuring Advanced User Parameters ..................................................................................................... 89
6.6.1 Format of the Advanced User Parameters File ...................................................................................... 89
6.6.2 Example Advanced User Parameter File .............................................................................................. 89
6.6.3 Advanced User Parameter Definitions................................................................................................. 89
7 CPU Operation ................................................................................................................................ 93
7.1 Parts of the CPU Sweep .......................................................................................................................... 94
7.2 Standard CPU Sweep Operation ............................................................................................................... 97
7.2.1 The Sweep Windows ....................................................................................................................... 97
7.2.2 The Watchdog Timer ....................................................................................................................... 97
7.2.3 Constant Sweep Time Operation ........................................................................................................ 97
7.3 CPU Stop Modes ................................................................................................................................... 98
7.4 Flash Memory....................................................................................................................................... 99
7.5 Controlling the Execution of a Program ..................................................................................................... 99
7.5.1 Calling a Subroutine Block ............................................................................................................... 99
7.5.2 Creating a Temporary End of Logic .................................................................................................... 99
7.5.3 Executing Rungs of Logic without Logical Power Flow ......................................................................... 99
7.5.4 Jumping to Another Part of the Program .............................................................................................. 99
7.6 Run/Stop Mode Switch Operation ............................................................................................................100
7.6.1 Configurable Run/Stop Mode Operation .............................................................................................100
7.6.2 Configurable Memory Protection ......................................................................................................100
7.6.3 Summary of CPU Switch Run/Stop Operation .....................................................................................100
7.7 Privilege Levels and Passwords ...............................................................................................................101
7.7.1 Protection Level Request from Programmer ........................................................................................102
7.7.2 The OEM Protection Feature ............................................................................................................102
8 Elements of an Application Program ......................................................................................103
8.1 Structure of an Application Program.........................................................................................................103
8.2 Subroutines .........................................................................................................................................104
8.2.1 Declaring a Subroutine....................................................................................................................104
8.2.2 Calling a Subroutine .......................................................................................................................105
8.3 Program Languages...............................................................................................................................105
8.3.1 Sequential Function Chart................................................................................................................105
8.3.2 Ladder Diagram.............................................................................................................................106
GFK-1503E User Manual 9
For public disclosure
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