Siemens SINUMERIK 802C - Page 67

Start-Up
4.3 Starting up the PLC
4-67
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)
SHIFT AND ROTATE OPERATIONS
Instruction Ladder Symbol Valid Operands
Shift Right
Shift Left
If EN = 1,
a = a SR c bits
a = a SL c bits
SHL_B
IN
N
OUT
ENO
EN
Enable: EN
In: VB, IB, QB, MB, AC, Constant, LB
Out: VB, IB, QB, MB, AC
Count: VB, IB, QB, MB, AC, Constant, LB
Shift Right
Shift Left
If EN = 1,
a = a SR c bits
a = a SL c bits
SHL_W
IN
N
OUT
ENO
EN
Enable: EN
In: VW, T, C, IW, QW, MW, AC,
Constant, LW
Out: VW, T, C, IW, QW, MW, AC, LW
Count: VB, IB, QB, MB,AC, Constant, LB
DWord Shift R
DWord Shift L
If EN = 1,
a = a SR c bits
a = a SL c bits
SHL_DW
IN
N
OUT
EN
ENO
Enable: EN
In: VD, ID, QD, MD, AC, Constant, LD
Out: VD, ID, QD, MD, AC, LD
Count: VB, IB, QB, MB, AC, Constant, LB
CONVERSION OPERATIONS
Instruction Ladder Symbol Valid Operands
Convert Double
Word Integer to a
Real
If EN = 1, convert
the double word in-
teger i to a real
number o.
DI_REAL
IN
OUT
EN
ENO
Enable: EN
In: VD, ID, QD, MD, AC, Constant, LD
Out: VD, ID, QD, MD, AC, LD
Convert a Real to
a Double Word In-
teger
If EN = 1, convert
the real number i to
a double word inte-
ger o.
TRUNC
IN
OUT
EN
ENO
Enable: EN
In: VD, ID, QD, MD, AC, Constant, LD
Out: VD, ID, QD, MD, AC, LD
PROGRAM CONTROL FUNCTIONS
Instruction Ladder Symbol Valid Operands
Jump to Label If EN = 1, go to la-
bel n.
n
JMP
Enable: EN
Label: WORD: 0–127
Label Label marker for the
jump.
LBL
n
Label: WORD: 0–127
Conditional Return
from Subroutine
If EN = 1, exit the
subroutine.
RET
Enable: EN
Conditional End If EN = 1, END ter-
minates the main
scan.
END
Enable: EN