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Entry Code Registration; Print Title Registration - Mitsubishi Electric MELSEC-A Series User Manual

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4. A2CCPU
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I
4.4.4
Entry code registration
The entry code is used to prohibit programs and comments in the PC CPU
from being read or rewritten with a peripheral device.
(1)
Read/write from the PC CPU to which the entry code is registered
In case the entry code is registered, parameters, main/sub-programs
and comments can not be read or written from the PC CPU to a
peripheral device unless the entry code is entered to the peripheral
device.
(2)
Registration and cancellation of the entry code
A maximum of 6 digits in hexadecimal (0 to 9, A to F) can be used to
set the entry code.
The entry code is registered or canceled with parameter setting.
POINT
I
In case an entry code is forgotten or in case an unknown entry code is
registered to the A2C, perform PC memory all clear by use of a peripheral
device.
If
all memories of the A2C are not cleared, the A2C cannot
communicate with a peripheral device.
When PC memory all clear is executed, all of parameters and sequence
programs stored in the A2C are cleared.
4.4.5
Print title registration
Print title is a comment such as machine name and program name which is
printed with a sequence program.
The print title set by the GPP/PHP/HGP is stored in the A2C parameter area .
The maximum length of a print title is 128 characters.
4-57

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