Sequence Programming - Mitsubishi Electric FR - F700 Programming Manual

3. SEQUENCE
PROGRAMMING
3.1 Overview ............................................................... 68
3.2 RUN and STOP operation processings .............. 70
3.3 Program makeup .................................................. 70
3.4 Programming languages ..................................... 71
3.5 Operation processing method of PLC function.... 74
3.6 I/O processing method ........................................ 75
3.7 Scan time .............................................................. 77
3.8 Numerical values usable in sequence program ... 78
3.9 Description of devices ......................................... 82
3.10 Counters C ............................................................ 90
3.11 Data registers D .................................................... 93
3.12 Special relays, special registers ......................... 94
3.13 Function list .......................................................... 96
3.14 How to RUN/STOP the built-in PLC function
from outside (remote RUN/STOP) ....................... 97
3.15 Watchdog timer (operation clog up monitor
timer) ..................................................................... 99
3.16 Self-diagnostic function ...................................... 100
3.17 Keyword registration ........................................... 102
3.18 Setting of output (Y) status at switching from
STOP status to RUN status.................................. 103
3.19 Instruction format................................................. 104
3.20 Bit device processing method ............................ 106
3.21 Handling of numerical value ............................... 110
3.22 Operation error ..................................................... 111
3.23 Instructions list..................................................... 112
3.24 Description of the instructions ........................... 121
3.25 Sequence instructions ......................................... 122
3.26 Basic instructions (16-bit) ................................... 148
3.27 Basic instructions (32-bit) ................................... 163
3.28 Application instructions ...................................... 178
3.29 Display command................................................. 193
Chapter 1
Chapter 2
Chapter 3
Chapter 4
67