DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming
3-160
API Mnemonic Operands Function
61
D SER P
Search a Data
Stack
Controllers
ES2/EX2 SS2 SA2
SE
SX2
Bit Devices Word devices Program Steps Type
OP
X Y M S K H KnX KnY KnM KnS T C D E F
S
1
* * * * * * *
S
2
* * * * * * * * ***
D * * * * * *
N * * *
SER, SERP: 9 steps
DSER, DSERP: 17 steps
PULSE 16-bit 32-bit
ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2
Operands:
S
1
: Start device of data stack S
2
: Device to be searched D: Start device for storing search
result (occupies 5 consecutive devices) n: Stack length
Explanations:
98. SER instruction searches for the value stored in S
2
from the data stack starting with S
1
, with a
stack length n. The search results are stored in the 5 registers starting from D
99. D stores the total of the matched results; D+1 stores the No. of device storing the first matched
result; D+2 stores the No. of device storing the last matched result; D+3 stores the No. of
device storing the smallest value; D+4 stores the No. of device storing the biggest value..
100. If operand S
2
uses index F, only 16-bit instruction is available
101. If the instruction applied 32-bit instruction, operands S
1
, S
2
, D, n will specify 32-bit registers.
102. The range of operand n: n = 1~256 (16-bit instruction), n = 1~128 (32-bit instruction)
Program Example:
103. When X0 = ON, the data stack D10~D19 are compared with D0 and the result is stored in
D50~D54. If there is no matched result, the content of D50~D52 will all be 0.
104. D53 and D54 store the location of the smallest and biggest value. When there are more than
one smallest and biggest values, the devices with bigger No. will be recorded.
X0
SER D10 D0 D50 K10
S
1
Content
Data to be
compared
Data
No.
Result
D
Content
Explanation
D10 88 0 D50 4 The total data numbers of equal value
D11 100 1 Equal D51 1 The number of the first equal value
D12 110 2 D52 8 The number of the last equal value
D13 150 3 D53 7 The number of the smallest value
D14 100 4 Equal D54 9 The number of the largest value
D15 300 5
D16 100 6 Equal
D17 5 7 Smallest
D18 100 8 Equal
D19 500
S
2
D0=K100
9 Largest
n
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