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

 

 

 

 

 

VII

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