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Character String Instructions
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(Original Document)
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Character String Instructions
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(Original Document)
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PL7
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Control Expert
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Status
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STRING_TO_INT
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STRING_TO_INT
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Converted
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STRING_TO_DINT
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STRING_TO_DINT
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Converted
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INT_TO_STRING
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INT_TO_STRING
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Converted
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DINT_TO_STRING
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DINT_TO_STRING
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Modified (3)
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STRING_TO_REAL
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STRING_TO_REAL
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Converted
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REAL_TO_STRING
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REAL_TO_STRING
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Converted
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Operators
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>, <, ≤, ≥, =, ≠
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>, <, ≤, ≥, =, ≠
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Converted
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EF
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FIND
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FIND_INT
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Modified (1)
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EQUAL_STR
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EQUAL_STR
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Converted
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LEN
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LEN_INT
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Modified (1)
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MID
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MID_INT
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Modified (2)
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INSERT
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INSERT_INT
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Modified (2)
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DELETE
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DELETE_INT
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Modified (2)
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CONCAT
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CONCAT_STR
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Modified (1)
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REPLACE
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REPLACE_INT
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Modified (2)
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LEFT
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LEFT_INT
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Modified (2)
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RIGHT
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RIGHT_INT
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Modified (2)
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ROUND
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STR_ROUND
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Modified (1)
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Legend:
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(1)
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The function name is modified but the operation remains the same.
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(2)
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In order to comply with the IEC standard, the function name is modified and the operation stays the same except in extreme cases. Refer to the documentation on these EF for further details.
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(3)
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The function name is not modified and the operation stays the same except in extreme cases. Refer to the documentation on this EF for further details.
Converting a variable into a character string is displayed differently when using PL7 software or Control Expert:
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