One Digit Shift Left: Sld(074) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Data Shift Instructions
Examples

3-9-17 ONE DIGIT SHIFT LEFT: SLD(074)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
390
If as a result of the shift the contents of the leftmost bit of Wd + 1 is 1, the Neg-
ative Flag will turn ON.
Note It is possible to set the Carry Flag contents to 1 or 0 immediately before exe-
cuting this instruction, by using the Set Carry (STC(040)) or Clear Carry
(CLC(041)) instructions.
When CIO 000000 is ON, words CIO 0100 and CIO 0101 will shift one bit to
the right, (excluding the Carry Flag (CY)). The contents of CIO 010000 will be
shifted to CIO 010115.
Shifts data by one digit (4 bits) to the left.
SLD(074)
St
E
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Block program areas
OK
Note St and E must be in the same data area.
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
Wd
Wd+1: CIO 0101
Instruction executed once
St: Starting word
E: End word
Step program areas
OK
St
CIO 0000 to CIO 6143
W000 to W511
H000 to H511
A448 to A959
T0000 to T4095
C0000 to C4095
D00000 to D32767
E00000 to E32767
Section 3-9
Wd: CIO 0100
SLD(074)
@SLD(074)
Not supported
Subroutines Interrupt tasks
OK OK
E