Contents
User’s manual - Functions 7
PART 2
FUNCTIONS 1. Overview .................................................................... 71
1.1 T3 system configuration .............................................71
1.2 Functional specifications ............................................72
2. Internal Operation .................................................... 73
2.1 Basic internal operation flow.......................................73
2.2 System initialization ...................................................74
2.3 Mode control...............................................................76
2.4 Scan control................................................................81
2.4.1 Scan mode .............................................................83
2.4.2 Batch l/O processing ..............................................85
2.4.3 Timer update............................................................87
2.5 Peripheral support ......................................................88
2.6 Programming support functions..................................89
3. User Program Execution Control............................ 92
3.1 Program types.............................................................92
3.2 Main/Sub programs execution control .......................93
3.3 Interrupt programs execution control .......................100
4. Peripheral Memory Support Functions ............... 102
4.1 EEPROM support .....................................................102
4.2 IC memory card support ..........................................103
5. RAS Functions ........................................................ 104
5.1 Overview...................................................................104
5.2 Self diagnostics.........................................................104
5.3 Event history.............................................................108
5.4 Memory protect function .......................................... 110
5.5 Power interruption detection function .......................111
5.5.1 Power interruption shut down function ..................111
5.5.2 Hot restart function ............................................... 113
5.6 l/O error mapping function ....................................... 114
5.7 Online l/O replacement function .............................. 115
5.8 Execution status monitoring .................................... 116
