1018
Text String Processing Instructions Section 3-31
3-31-6 GET STRING MIDDLE: MID$(654)
Purpose Reads a designated number of characters from any position in the middle of a
text string.
Ladder Symbol
Variations
Applicable Program Areas
Operands S1: Text String
S2: Number of Characters (0000 to 0FFF hex or &0 to &4095)
S3: Beginning Position (0001 to 0FFF hex or &1 to &4095)
Note (1) The data from S1 to S1 + the maximum 2,047 words and from D to D +
the maximum 2,047 words must be in the same area.
(2) The data from S1 to S1 + the maximum 2,047 words and from D to D +
the maximum 2,047 words can overlap.
Operand Specifications
MID$(654)
S1
S2
S3
D
S1: Text string first word
S2: Number of characters
S3: Beginning position
D: First destination word
Variations Executed Each Cycle for ON Condition MID$(654)
Executed Once for Upward Differentiation @MID$(654)
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
S1
to
Text string data: 4,095 characters max. + NUL
S1 + maximum 2,047 words
15 0
D
to
Text string data: 4,095 characters max. + NUL
D + maximum 2,047 words
Area S1 S2 S3 D
CIO Area CIO 0 to CIO 6143
Work Area W0 to W511
Holding Bit Area H0 to H511
Auxiliary Bit Area A0 to A447
A448 to A959
A448 to
A959
Timer Area T0000 to T4095
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