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Contents
User’s manual - Functions 9
PART 3
PROGRAMMING 1. Overview .................................................................. 139
INFORMATION 1.1 Aims of part 3 ........................................................... 139
1.2 User memory configuration....................................... 139
2. User Program Configuration ................................. 141
2.1 Overview................................................................... 141
2.2 System information .................................................. 143
2.3 User program ............................................................ 147
2.3.1 Main program ........................................................ 148
2.3.2 Sub-program.......................................................... 148
2.3.3 Interrupt program .................................................. 150
2.3.4 Sub-routines .......................................................... 153
2.4 Comments................................................................. 155
3. User Data ................................................................. 156
3.1 Overview................................................................... 156
3.2 Registers and devices ............................................. 159
3.3 Register data types .................................................. 182
3.4 Index modification .................................................... 189
3.5 Digit designation ...................................................... 193
4. I/O Allocation........................................................... 198
4.1 Overview .................................................................. 198
4.2 Methods of input/output allocation ........................... 199
4.3 Register and module correspondence ..................... 203
4.4 Network assignment ................................................. 206
5. Programming Language ....................................... 211
5.1 Overview .................................................................. 211
5.2 Ladder diagram ........................................................ 214
5.3 SFC ........................................................................... 221
5.4 Programming precautions......................................... 236
5.5 List of instructions .................................................... 238
INDEX ................................................................................................. 264