Siemens SINUMERIK 802C Manual page 63

Instruction
Load Word = a = b close
a b open
And Word =
Or Word =
Load Word . a ≥ b close
And Word . a t b open
Or Word .
Load Word 3 a ≤ b close
And Word 3 a u b open
Or Word 3
Instruction
Load DWord = a = b close
a b open
And DWord =
Or DWord =
Load DWord . a ≥ b close
And DWord . a t b open
Or DWord .
Load DWord 3 a ≤ b close
And DWord 3 a u b open
Or DWord 3
Instruction
Load RWord = a = b close
a b open
And RWord =
Or RWord =
Load RWord . a ≥ b close
And RWord . a t b open
Or RWord .
Load RWord 3 a ≤ b close
And RWord 3 a u b open
Or RWord 3
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)
WORD COMPARES (Signed)
Ladder Symbol
a
==I
b
a
> =I
b
a
< =I
b
DOUBLE WORD COMPARES (Signed)
Ladder Symbol
a
==D
b
a
> =D
b
a
< =D
b
REAL WORD COMPARES (Signed)
Ladder Symbol
a
= =R
b
a
> =R
b
a
< =R
b
4.3 Starting up the PLC
Valid Operands
a: VW, T, C, IW, QW, MW, AC, Constant,
LW
b: VW, T, C, IW, QW, MW, AC, Constant,
LW LW
Valid Operands
a: VD, ID, QD, MD, AC, Constant, LD
b: VD, ID, QD, MD, AC, Constant, LD
Valid Operands
a: VD, ID, QD, MD, AC, Constant, LD
b: VD, ID, QD, MD, AC, Constant, LD
Start-Up
4-63