Toshiba Programmable Controller PROSEC T3, Руководство пользователя

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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