Delta AH500 Programming Manual page 218

AH 5 00 Pr ogr am m ing Ma n ua l
API Instruction code
0024~
D FAND※
0029
Device X Y M
 
S
1
 
S
2
Symbol:
Taking FAND= and DFAND= for example
Explanation:
1. The instructions are used to compare the value in S
compared are floating-point numbers. Take the instruction FAND= for example. When the
comparison result is that the value in S
is met. When the comparison result is that the value in S
condition of the instruction is not met.
API 32-bit
number instruction
0024
FAND＝
0025
FAND＜＞
0026
FAND＞
0027
FAND＞＝
0028
FAND＜
0029 FAND＜＝
Example:
Take the instruction FAND＝ for example. When X1.0 is ON and the value in D1 is equal to that in
D2, Y1.0 is ON.
Additional remark:
1. If the value in S or S
1
floating-point numbers, the contact is OFF, SM is ON, and the error code in SR0 is 16#2013.
Operand
S , S
1
S T C HC D
   
   
Pulse instruction 32-bit instruction (5-7 steps) 64-bit instruction (5-7 steps)
-
： Data source 1
S
1
： Data source 2
S
2
is equal to that in S
1
64-bit
instruction
DFAND＝
DFAND＜＞
DFAND＞
DFAND＞＝
DFAND＜
DFAND＜＝
exceeds the range of values which can be represented by the
2
Comparing the floating-point
2
numbers
L SM SR E PR
   
   
AH500
Double word/Long word
Double word/Long word
with that in S , and the values
1 2
, the condition of the instruction
2
is not equal to that in S
1
Comparison operation result
ON
＝S
S
1 2
≠S
S
S
1 2
＞S
S
1 2
≧S
S S
1 2
＜S
S
1 2
≦S
S S
1 2
Function
K 16# "$" DF


AH500
, the
2
OFF
≠S
S
1 2
＝S
1 2
≦S
S
1 2
＜S
1 2
≧S
S
1 2
＞S
1 2
6 - 1 3