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2-61

1

2

4

4

2

6

7

8

2

.5 Application 

Instr

uct

ions

2

.5.22 Redun

dant system instr

uct
ions (F

or R

edundant C

P

U

)

Redundant system instructions (For Redundant CPU)

Table 2.39 Redundant System Instructions (For Redundant CPU)

Category

Instruction Symbol

Symbol

Processing Details

Execution 

Condition

Number

 of Basi

c S

tep

s

Subset

See for D

esc

ripti

on

System 
switching

SP.CONTSW

Switches between the control system and 
standby system at the END processing of the 
scan executed with the SP.CONTSW 
instruction.

8

-

SP.CONTSW S D