Panasonic FP-E Programming Manual page 509

Description
Shifts n bits of the data range specified by D1 (starting) and D2 (ending) to the left (to the higher bit position)
when the trigger turns on.
D2
The ending n bits
Trigger: on
are shifted out.
D1 and D2 should be:
− The same type of operand.
− D1 D2.
When n bits are shifted to the left,
− The n bits of ending 16-bit area D2 is shifted out.
− The n bits in the starting 16-bit area D1 becomes 0.
0 to 15 can be specified for n. When 0 is specified, no operation takes place.
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
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Specified data range
D1
n bits
Turns on and stays on when:
Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− D1 > D2.
− The number n is 16 or more.
High−level Instructions
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