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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
14 Handy Instruction – FNC 60 to FNC 69
14.2 FNC 61 – SER / Search a Data Stack
2) Operation example
a) Example of search result table configuration and data
b) Search result table
Cautions
• Comparison of values
It is executed algebraically.
(example: −10 < 2)
• When there are two or more maximum or minimum values
When there are two or more maximum or minimum values in the searched data, the last position of the max/min is
stored respectively.
• Number of occupied devices
When this instruction is driven, the following number of devices are occupied for storing the search result .
Make sure that such devices are not used in other controls for the machine.
1)In the case of 16-bit operation
Five devices, , +1, +2, +3 and +4, are occupied.
2)In the case of 32-bit operation
Ten devices, [ +1, ], [ +3, +2], [ +5, +4], [ +7, +6] and [ +9,
+8], are occupied.
• Note that the 32-bit value [n+1, n] is valid when D or R is specified as "n" in a 32-bit instruction.
In the case of "DSER D0 D100 D200 R0", "n" is [R1, R0].
Searched device +1
Searched data
value
(example)
Comparison
data
Data
position
Search result
Maximum
value +
4
Same
Minimum
value
+ 3
[+ 1,]
K100000
K100000
0
3 (first
position)
[ + 3, + 2]
K110100 1
[ + 5, + 4]
K100000 2 3
[ + 7, + 6]
K 98000 3
[ + 9, + 8]
K123000 4
[+ 11,+ 10]
K 66000 5 3
[+ 13,+ 12]
K100000 6
3 (last
position)
[+ 15,+ 14]
K 95000 7
[+ 17,+ 16]
K910000 8 3
[+ 19,+ 18]
K910000 9 3
Device number Contents Search result item
[+ 1, ]
3 Number of same data
[ + 3, + 2]
0 Same data position (first position)
[ + 5, + 4]
6 Same data position (last position)
[ + 7, + 6]
5 Minimum value position (last position)
[ + 9, + 8]
9 Maximum value position (last position)
S
1
S
1
S
2
D
D
D
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
D D
D D
D D
D D
D D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D
D
1
D