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Table Data Processing Instructions Section 3-17
3-17-8 DATA SEARCH: SRCH(181)
Purpose Searches for a word of data within a range of words.
In CS1D CPU Units for Single-CPU Systems and CS1-H, CJ1-H, and CJ1M
CPU Units, this instruction can be run in the background. Refer to the CS/CJ
Series Programmable Controllers Programming Manual for details on back-
ground execution.
Ladder Symbol
Variations
Applicable Program Areas
Operands C and C+1: Control words
C specifies the number of words in the range and bit 15 of C+1 indicates
whether or not to output the number of matches to DR00.
Note C and C+1 must be in the same data area.
R1: First word in range
R1 specifies the first word in the search range. The words from R1 to R1+(C–
1) are searched for the desired data. (C is the number of words set in C.)
SRCH(181)
C
R1
Cd
C: First control word
R1: First word in range
Cd: Comparison data
Variations Executed Each Cycle for ON Condition SRCH(181)
Executed Once for Upward Differentiation @SRCH(181)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
15 0
C
15 014
C+1
000 0000 0000 0000
0
Output selection Output selection
0000 hex: Does not output number of
matches.
8000 hex: Outputs number of matches.
Number of words in range
0: Does not output number of
matches.
1: Outputs number of matches.
R1
R1+(C–1)
15 0
---to
Search range
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