Panasonic FP-E Programming Manual page 547

Description
Rotates "n" bits of the 32-bit data specified by D to the right when the trigger turns on.
[D+1]
15
Trigger:
on
When "n" bits are rotated to the right,
− The data in bit position n-1 (nth bit starting from bit position 0) is transferred to special internal relay
R9009 (carry flag).
− "n" bits starting from bit position 0 are shifted out to the right and then shifted into the higher bit
positions of the 32-bit data specified by D.
Only the lower eight bits of the 16-bit data "n" are effective.
15
n
0 0 0 0 0 0 0 0
Upper 8 bits
K0 to K255(H00 to HFF)
are invalid
When "n" is specified using K0, the contents of "D+1, D" and the special internal relay R9009 (carry flag) do
not change.
Precautions during programming
If the specified "n" is a multiple of 32 bits, the data will be the same as that before the operation.
e.g.,n = K32: same operation as n = K0
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
・Carry flag (R9009): Content in the nth bit from LSB (least significant bit) turns on for an instant
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[D]
0 15 0
0
Turns on and stays on when the area specified using the index modifier
exceeds the limit.
Turns on for an instant when the area specified using the index modifier
exceeds the limit.
when the data in bit position n-1 is recognized as 1.
CY
Data in bit position 0 of D
High−level Instructions
3 − 283