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Toshiba Programmable Logic Controller V200 User Manual

Page 7

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VII

OPERATING SYSTEMS OVERVIEW

...................................................................................................... 96

6.1 Operating System Overview

........................................................................................................... 97

6.2 Mode Selection

................................................................................................................................. 97

PROGRAMMING INFORMATION

............................................................................................................. 98

7.1 Devices Registers

........................................................................................................................... 99

7.2 Memory Allocation of XW, YW and MW

....................................................................................... 106

7.3 Index Modification

.......................................................................................................................... 108

7.4 Real-time Clock / Calendar

........................................................................................................... 110

7.5 User Program

................................................................................................................................. 111

7.5.1 Main Program ................................................................................................................ 111
7.5.2 Sub-Program # 1 ........................................................................................................... 112
7.5.3

Timer Interrupt Program ........................................................................................... 112

7.5.4 I/O Interrupt Program .................................................................................................... 112
7.5.5 Subroutines ................................................................................................................... 113

7.6 Programming Language

................................................................................................................ 114

7.7 Program Execution Sequence

..................................................................................................... 115

TROUBLESHOOTING

.............................................................................................................................. 116

8.1 Troubleshooting Procedure

.......................................................................................................... 117

8.1.1 Power Supply Check ..................................................................................................... 118
8.1.2 CPU Check ................................................................................................................... 118
8.1.3 Program Check ............................................................................................................. 118
8.1.4 Input Check ................................................................................................................... 119
8.1.5 Output Check ................................................................................................................ 120
8.1.6 Environmental Problem ................................................................................................ 121

8.2 Self Diagnostics

............................................................................................................................. 122