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7-3
File Memory Operations
When a File Memory Unit is connected to the PC, contents of the Program
Memory and data areas can be transferred to and from the File Memory (FM)
area.
The FM area can thus be used for auxiliary program memory (UM) and data
memory (IOM) storage, as well as for comment memory storage (CM) for
ladder logic program comments.
Except where specifically noted, these operations are available only in the
MONITOR and PROGRAM modes.
The Programming Console operations described in this section can be can-
celled by pressing CLR during or after the normal key sequence.
7-3-1
File Memory Clear
This operation clears the FM area. Clearing the entire FM area initializes it
and prepares it for future data storage. This must be done when using an FM
Unit for the first time or when an FM error occurs because of memory dam-
age.
To clear a portion of the FM, you must specify a start block number and an
end block number. FM is not initialized for partial clears.
Key Sequence
[ Start block ]
[ End block ]
Clear all
Partial clear
File Memory Operations
Section 7-3
