1-Word Shift To Right Of N-Word Data, 1-Word Shift To Left Of N-Word Data - Mitsubishi Electric MELSEC-Q/L Programming Manual

1-word shift to right of n-word data, 1-word shift to left of n-word
data
DSFR(P), DSFL(P)
High
Basic
Process Redundant Universal
performance
DSFR, DSFL
DSFRP, DSFLP
(D): Head number of the devices to be shifted (BIN 16 bits)
n: Number of devices to which shift is executed (BIN 16 bits)
Setting Internal device
data
Bit Word
 
(D)
 
n
Processing details
■DSFR
• Shifts data n points from device designated by (D) 1-word to the right.
n
D +(n-1) D +(n-2) D +(n-3)
555 212 325
D +(n-1) D +(n-2) D +(n-3) D
0 555 212
Filled with 0.
• The device designated by (D)+(n-1) is filled with 0.
■DSFL
• Shifts data n points from device designated by (D) 1-word to the left.
D +(n-1) D D
+(n-2) +(n-3)
555 120 325
D D
+(n-2)
+(n-1)
120 325
• The device designated by (D) is filled with 0.
LCPU
Command
Command
R, ZR J\
Bit


D +2 D +1 D
100 50 40
+(n-4)
D +1 D
325 100 50
n
D +2 D +1 D
100 50 40
D D D D
+3 +2 +1
100 50 40 0
indicates an instruction symbol of DSFR/DSFL.
P
U\G Zn
Word
Filled with 0.
7 APPLICATION INSTRUCTIONS
n
D
n
D
Constant Others
K, H


7.3 Shift Instructions
7
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