Siemens SINUMERIK 802S, Start-Up

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Start-Up
4.3 Starting up the PLC
4-76
SINUMERIK 802S
6FC5 597–2AA00–0BP2 (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