Less than or equal to: <=
Format
(S1)<=(S2)
Setting data
■Usable Data
: Usable
Setting
Usable Data
data
Bit
Word device
device
16-bit
integer
type
(S1)
(S2)
■Description, data type of result
Setting data
Description
(S1)
Data which will be compared
(S2)
Processing details
• The result is true if the data specified with (S1) is less than or equal to the data specified with (S2).
• When (S1) and (S2) differ in data type, the data of the smaller data type is converted into that of the greater type before
comparison is performed.
Operation error
An operation error will occur if:
• (S1) or (S2) is an indirectly specified device and its device No. is outside the range.
Program example
■Program which compares whether #0 is less than or equal to D0 or not
#0 <= D0
(True)
Number of basic steps
7
Constant
32-bit
64-bit
16-bit
integer
floating
integer
type (L)
point
type
type (F)
(K/H)
#0
10
<=
D0
20
Usable steps
F/FS
Calculation
expression
32-bit
64-bit
integer
floating
type
point
(K/H, L)
type (K)
4 OPERATION CONTROL PROGRAMS
G
Bit
Comparison
conditional
conditional
expression
expression
Data type of result
Logical type (true/false)
4.13 Comparison Operations
4
191