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3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Data Shift Instruction
3
RLNC/RLNL
RLNC/RLNL
Applicable Program Areas
Operands
z Operand Specifications
Flags
Instruction Mnemonic Variations
Function
code
Function
ROTATE LEFT WITHOUT
CARRY
RLNC @RLNC 574
Shifts all Wd bits one bit to the left not including the
Carry Flag (CY).
DOUBLE ROTATE LEFT
WITHOUT CARRY
RLNL @RLNL 576
Shifts all Wd and Wd +1 bits one bit to the left not
including the Carry Flag (CY).
Symbol
RLNC RLNL
Area
Function block
definitions
Block program areas Step program areas Subroutines Interrupt tasks
SFC action or transition
programs
Usage OK OK OK OK OK OK
Operand Description
Data type Size
RLNC RLNL RLNC RLNL
Wd Word UINT UDINT 1 2
Area
Word addresses
Indirect DM/EM
addresses
Con-
stants
Registers Flags
Pulse
bits
TR
bits
CIO WR HR AR T C DM EM
@DM
@EM
*DM
*EM
DR IR
Indirect
using IR
TK CF
RLNC Wd
OK OK OK OK OK OK OK OK OK OK ---
OK
--- OK --- --- --- ---
RLNL Wd ---
Name Label Operation
Error Flag ER OFF
Equals Flag = • ON when the shift result is 0.
• OFF in all other cases.
Carry Flag CY • ON when 1 is shifted into the Carry Flag (CY).
• OFF in all other cases.
Negative Flag N • ON when the leftmost bit is 1 as a result of the shift.
• OFF in all other cases.
Wd: Word
RLNC(574)
Wd
Wd: Word
RLNL(576)
Wd