Orr: Compare Floating Point Number Instruction - INVT IVC2H Programming Manual

Programming manual of IVC series small PLC

6.16.9 ORR: Compare floating point number instruction

LAD:
IL: ORR＝ (S1)
ORR＜
ORR＞
ORR＜＞
ORR＞＝
ORR＜＝
Operand Type
S1 REAL Constant
S2 REAL Constant
Operand description
S1: comparison parameter 1
S2: comparison parameter 2
Function description
Compare elements S1 and S2, and
use the comparison result in parallel
connection with other nodes to drive
the following operation.
(S2)
(S1) (S2)
(S1) (S2)
(S1) (S2)
(S1) (S2)
(S1) (S2)
Example
Compare (D0, D1) and (D2, D3), and use the comparison result in parallel
connection with other nodes to determine the output status of the following
element.
Chapter 6 Application instructions
Applicable to
Influenced flag bit
Program steps
Applicable elements
D
D
IVC2L IVC1 IVC2H IVC1L
7
addressing
V R
V R
LD
ORR=
D2
OUT
LD
ORR<
D2
OUT
LD
ORR>
OUT
LD
ORR<>
OUT
LD
ORR>=
OUT
LD
ORR<=
OUT
197
Indexed
√
√
X0
D0
Y0
X1
D0
Y1
X2
D0 D2
Y2
X3
D0 D2
Y3
X4
D0 D2
Y4
X5
D0 D2
Y5