Toshiba TDP T3 User Manual page 9

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