5-33
RST
1
2
3
4
5
6
7
8
5.3 Output Instructions
5.3.6 Resetting devices (except for annunciators) (RST)
Operation Error
(1) There are no operation errors associated with the RST instruction.
Remark
The basic number of steps of the RST instruction is as follows.
a) For bit processing
• Internal device (bit to be specified by bit device or word device) : 1
• Direct access output : 2
• Timer, counter : 4
• When using serial number access format file register
(Only for Universal model QCPU and LCPU) : 2
(Basic Model QCPU, High Performance model QCPU, Process CPU,
and Redundant CPU) : 3
• Other than above : 3
b) For word processing
• Internal device : 2
• Index resister : 2
• When using serial number access format file register
(Only for Universal model QCPU and LCPU) : 2
(Basic Model QCPU, High Performance model QCPU, Process CPU,
and Redundant CPU) : 3
• Other than above : 3
Program Example
(1) The following program sets the value of the data register to 0.
[Ladder Mode]
[List Mode]
Resets D8 to 0 when X5 is turned ON.
Stores the contents at X10 to X1F in D8
when X0 is turned ON.
Steps
Instruction
Device
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