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Data Shift Instructions Section 3-9
3-9-4 WORD SHIFT: WSFT(016)
Purpose Shifts data between St and E in word units.
Ladder Symbol
Variations
Applicable Program Areas
Note St and E must be in the same data area.
Operand Specifications
C: 0300
E:
C
E
Non-zero data is
shifted toward St
Shift direction
1: Non-zero data shifted toward E
Shift Enable Bit: 1
Clear
Before ASFT(017) is executed
After one execution After two executions
St
St:
WSFT(016)
S
E
S: Source word
St: Starting word
E: End word
St
Variations Executed Each Cycle for ON Condition WSFT(016)
Executed Once for Upward Differentiation @WSFT(016)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area S St E
CIO Area CIO 0000 to CIO 6143
Work Area W000 to W511
Holding Bit Area H000 to H511
Auxiliary Bit Area A000 to A959 A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D00000 to D32767
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