Search Start Instruction; Timing Charts And Error Causes - Mitsubishi Electric MELDAS 60 Series Programming Manual

9.5.3 Search Start Instruction

After interface data between the controller and PLC is prepared, search is started by using the
following instruction:
ACT
(Start condition)

9.5.4 Timing Charts and Error Causes

(1) Normal completion
Search start instruction
condition
Search processing
Search completion
Search error completion
Data specification error
(2) Search error completion
Search start
command condition
Search processing
Search completion
Search error completion
Data specification error
(Rn is any file register that
S.DDBS Rn
can be used by the user.)
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9. Exclusive Commands
<Error cause>
・ The specified program number or
sequence number is not found.
・ In tape search, tape or I/O device
does not exist.
・ In tape search, an I/O error occurred.
・ The NC operation state is not reset state
Any other search-impossible state.