External Search; Function; Interface - Mitsubishi Electric MELDAS 60 Series Programming Manual

9.5 External Search

9.5.1 Function

When PLC specifies the program number, sequence number, and block number of a work program
for the controller, the external search function searches memory or tape for the program number,
sequence number, and block number.

9.5.2 Interface

PLC sets data except the status.
Two bytes
Rn+0
Two bytes
1
2
Four bytes
3
4
Four bytes
5
6
Four bytes
7
Two bytes
8
(1) Command
Sub command
F 8 7
command
Status
Program No.
Sequence No.
Block No.
Part system designation
System designation
Main command
1 0
1: search
2: PLC axis control
Search mode
0: Memory search
1: Tape search
PLC axis control
Set all to 0.
(Note 1) File register (Rn) that can be used by the user
is used for the control data buffer.
Data register (Dn) cannot be used.
(Note 2) System designation is used for multi-system
Part system designation is used for
multi-part system specifications.
specifications.
Specify "1"
(Note) Unassigned bits will be used for later function
extension. Use only bits shown here.
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9. Exclusive Commands