Sequence programming – MITSUBISHI ELECTRIC 700 Series User Manual

Page 66

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61

Chapter 1

Chapter 2

Chapter 3

Chapter 4

3. SEQUENCE

PROGRAMMING

3.1 Overview ............................................................... 62
3.2 RUN and STOP Operation Processings ............. 64
3.3 Program Makeup .................................................. 64
3.4 Programming Languages .................................... 65
3.5 Operation Processing Method of PLC Function... 68
3.6 I/O Processing Method ........................................ 69
3.7 Scan Time.............................................................. 71
3.8 Numerical Values Usable in Sequence Program .. 72
3.9 Description of devices ......................................... 75
3.10 Counters C ............................................................ 83
3.11 Data Registers D................................................... 86
3.12 Special Relays, Special Registers ...................... 87
3.13 Function List......................................................... 89
3.14 How to RUN/STOP the Built-in PLC Function

from Outside (Remote RUN/STOP) ..................... 90

3.15 Watchdog Timer (Operation clog up monitor

timer) ..................................................................... 92

3.16 Self-diagnostic Function ..................................... 93
3.17 Keyword Registration .......................................... 95
3.18 Setting of Output (Y) Status at Switching from

STOP Status to RUN Status ................................. 96

3.19 Instruction Format................................................ 97
3.20 Bit Device Processing Method ............................ 99
3.21 Handling of Numerical Value ............................... 101
3.22 Operation Error..................................................... 102
3.23 Instructions List ................................................... 103
3.24 Description of the Instructions ........................... 110
3.25 Sequence Instructions......................................... 111
3.26 Basic Instructions ................................................ 140
3.27 Application instructions ...................................... 155

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