Sequence Program - Mitsubishi Electric A800 Programming Manual

3

Sequence program

3.1 Overview ..........................................................................................................
3.2 RUN/STOP operation ......................................................................................
3.3 Program configuration ...................................................................................
3.4 Programming language..................................................................................
3.5 Operation processing method of the PLC function.....................................
3.6 I/O processing method ...................................................................................
3.7 Scan time .........................................................................................................
3.8 Values that can be used in sequence programs..........................................
3.9 Explanation of devices ...................................................................................
3.10 Counter C.........................................................................................................
3.11 Data register D ................................................................................................
3.12 Special relays and special registers .............................................................
3.13 Function list.....................................................................................................
3.14 RUN/STOP method of PLC function from an external source (remote RUN/
STOP) ...............................................................................................................
3.15 Watchdog timer (watchdog error supervision timer) ..................................
3.16 Self-diagnostic function .................................................................................
3.17 Registering file password ..............................................................................
3.18 Output (Y) status settings when STOP status → RUN status
3.19 Structure of instructions ................................................................................
3.20 Bit device processing method.......................................................................
3.21 Handling of numerical values ........................................................................
3.22 Operation error................................................................................................
3.23 Sequence instructions list .............................................................................
3.24 How to view instructions................................................................................
3.25 Sequence instructions ...................................................................................
3.26 Basic instruction (16-bit)................................................................................
3.27 Basic instruction (32-bit)................................................................................
3.28 Application instructions (16-bit)....................................................................
3.29 Application instructions (32-bit)....................................................................
3.30 Display instruction..........................................................................................
72
74
74
75
78
79
81
82
85
91
93
94
95
96
98
99
100
101
102
103
106
107
108
118
119
141
157
172
182
194
Sequence program
3
71