Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 379

Processing details
• These instructions shift the (n2) word(s) of area to the left within the (n1) words of data area starting from the device
specified by (d). After the shift, (n2) points from (s) are set into (n2) points from (d).
• When a constant is specified for (s), the specified value is stored in (n2) point(s) of area in the device from (d) after the shift.
• When (n2) is 0, the processing is not performed.
Ex.
When (n1)=9 and (n2)=4
(d)+8 (d)+7 (d)+6
1FFH 10H 0H
Ò
(d)+8 (d)+7 (d)+6
3AH 1FH 30H
Overflow (data to be deleted)
(n2)-word shift to the left
Copy
Operation error
Error code Description
(SD0)
2821H The range for (n2) points from (s) and that for (n1) points from (d) are overlapping.
3405H The values specified in (n1) and (n2) are such that (n1)<(n2).
(s)+3 (s)+2
(n1)
(d)+5 (d)+4 (d)+3 (d)+2
7FFH 3AH 1FH 30H
Ó
(d)+5 (d)+4 (d)+3 (d)+2
0H FFH
(n2)
(s)+1 (s)
(d)+1 (d)
0H FFH
Ô
(d)+1 (d)
6 BASIC INSTRUCTIONS
377
6.5 Shift Instructions
6