10: D
ATA
C
OMPARISON
I
NSTRUCTIONS
10-4
O
PEN
N
ET
C
ONTROLLER
U
SER
’
S
M
ANUAL
ICMP>= (Interval Compare Greater Than or Equal To)
Valid Operands
For the valid operand number range, see page 6-2.
▲
Internal relays M0 through M2557 can be designated as D1. Special internal relays cannot be designated as D1.
When T (timer) or C (counter) is used as S1, S2, or S3, the timer/counter current value is read out.
Valid Data Types
When a bit operand such as I (input), Q (output), M (internal relay), or R (shift register) is designated as the source, 16
points (word or integer data type) or 32 points (double-word or long data type) are used.
When a word operand such as T (timer), C (counter), D (data register), or L (link register) is designated as the source, 1
point (word or integer data type) or 2 points (double-word or long data type) are used.
When an output or internal relay is designated as the destination, only 1 point is used regardless of the selected data type.
Example: ICMP>=
Operand
Function
I
Q
M
R
T
C
D
L
Constant
Repeat
S1 (Source 1)
Data to compare
X
X
X
X
X
X
X
X
X
—
S2 (Source 2)
Data to compare
X
X
X
X
X
X
X
X
X
—
S3 (Source 3)
Data to compare
X
X
X
X
X
X
X
X
X
—
D1 (Destination 1)
Comparison output
—
X
▲
—
—
—
—
—
—
—
W (word)
I (integer)
D (double word)
L (long)
X
X
X
X
S1
≥
S2
≥
S3
→
D1 on
When input is on, the 16- or 32-bit data designated by S1,
S2, and S3 are compared. When the condition is met, desti-
nation operand D1 is turned on. When the condition is not
met, D1 is turned off.
ICMP>=(*)
S1
*****
S2
*****
S3
*****
D1
*****
D1
M10
D10
≥
D11
≥
D12
→
M10 goes on
When input I0 is turned on, data of data registers D10, D11, and D12 designated by source operands S1, S2, and S3 are
compared. When the condition is met, internal relay M10 designated by destination operand D1 is turned on. When the
condition is not met, M10 is turned off.
S1
D10
I0
ICMP>=(W)
S2
D11
S3
D12
SOTU
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
