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21  DEVICES
21.6  File Register (R)
21.6
File Register (R)
Device capable of storing numerical data.
21.7
Nesting (N)
Device for programming operating conditions by nesting using master control instructions (MC/MCR instruction)
conditions are specified in ascending order (N0 to N14) from outside the nesting.
*1 Instruction for creating an efficient circuit switching program by switching common bus of the circuit.
M15
N0
B
C
A
M15
N0
MC
M16
N1
MC
N2
MCR
N1
MCR
M17
N2
MC
N0
MCR
M16
N1
M17
N2
Control 
range of 
nesting N0
Control 
range of 
nesting N1
Control 
range of 
nesting N2
Designated in 
ascending No. order
Executed when condition 
A is met
Executed when condition 
A and B are met
Designated in 
descending No. order
Executed when condition 
A, B and C are met
Executed when condition 
A and B are met
Executed when condition 
A is met
Executed regardless of 
conditions A, B, and C