
5.CONVERSION RULES B-64214EN/01
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5.4.30 DSCHB
PMC-SB7
DSCHB
• Data size is specified by format parameter of the instruction.
PMC-SD7
(Not converted)
Not converted.
• Conversion tool cannot decide number of table because it is impossible to tell the contents
of function parameter when conversion.
• Table size cannot be variable after coding LADDER.
User’s operations to
finish conversion
Please replace by SEARCH_EQ_(type).
Please note the followings.
• Meaning of ENO of SEARCH_EQ_(type) is opposite to W1 of DSCHB.
(ENO is turned on when the function finds data but W1 is turned on when the function
cannot find data.)
• Table size of SEARCH_EQ_(type) is specified by constant but it is specified by content of
address in case of DSCHB.
• Number of table of SEARCH_EQ_(type) starts from 1 but it starts from 0 in case of
DSCHB.
• Behavior is different when the data to search is not one in data table.
(SEARCH_EQ_(type) starts the search from the next position of the data last found but
DSCHB starts the search from the top of data table every time.