Siemens SINUMERIK 802S, Start-Up

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Start-Up
4.3 Starting up the PLC
4-72
SINUMERIK 802S
6FC5 597–2AA00–0BP2 (01.02)
WORD COMPARES (Signed)
Instruction Ladder Symbol Valid Operands
Load Word =
And Word =
Or Word =
a = b close
a b open
a
b
==I
a: VW, T, C, IW, QW, MW, AC, Constant,
LW
b: VW, T, C, IW, QW, MW, AC, Constant,
LW
Load Word
.
And Word
.
Or Word
.
a
≥
b close
a
t
b open
a
b
> =I
LW
Load Word
3
And Word
3
Or Word
3
a
≤
b close
a
u
b open
a
b
< =I
DOUBLE WORD COMPARES (Signed)
Instruction Ladder Symbol Valid Operands
Load DWord =
And DWord =
Or DWord =
a = b close
a b open
a
b
==D
a: VD, ID, QD, MD, AC, Constant, LD
b: VD, ID, QD, MD, AC, Constant, LD
Load DWord
.
And DWord
.
Or DWord
.
a
≥
b close
a
t
b open
a
b
> =D
Load DWord
3
And DWord
3
Or DWord
3
a
≤
b close
a
u
b open
a
b
< =D
REAL WORD COMPARES (Signed)
Instruction Ladder Symbol Valid Operands
Load RWord =
And RWord =
Or RWord =
a = b close
a b open
a
b
= =R
a: VD, ID, QD, MD, AC, Constant, LD
b: VD, ID, QD, MD, AC, Constant, LD
Load RWord
.
And RWord
.
Or RWord
.
a
≥
b close
a
t
b open
a
b
> =R
Load RWord
3
And RWord
3
Or RWord
3
a
≤
b close
a
u
b open
a
b
< =R