Not Equal To - Mitsubishi Electric R16MTCPU Programming Manual

Not 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 data specified with (S1) and the data specified with (S2) are compared, and the result is true if they are not equal.
• 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 and D0 are unequal 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)
  
  
#0 100
!=
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
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