8.3.3 Table of Corresponding Operations of FP Memory Loader Security
Function
Note that the operation differs according to the combination of the program stored in the FP memory
loader and the status of the PLC to which is written.
Version check list
Status of destination PLC
Program in FP memory loader
Password 4-digit password 8-digit password
Not set Protected Protected
- Password is unset.
or
- 4-bit or 8-bit password is set.
○ ○ ○
- 8-digit password is set
and
- "Allow the download in case of same
password" is set
× × ●
- 8-digit password is set
and
- "Set that PLC cannot be uploaded" is set.
○
Note1)
○
Note1)
○
Note1)
- 8-digit password is set
and
- "Allow the download in case of same
password" is set
and
- "Set that PLC cannot be uploaded" is set.
×
Note2)
×
Note1)
●
○: Download possible ●: Download possible only for models with the same password
×: Download impossible
Note1) The upload protection setting is not available in FP memory loader Ver1.*.
Note2) Although programs cannot be downloaded with FP memory loader Ver.2 or later, only the upload
protection setting is activated.
Status of PLC that program has been downloaded
When downloading a program to the PLC from the FP memory loader, the password that has been
already set on the unit may be changed. Note the followings.
Status of FP memory loader
Password setting for FP0R after download
The password will be cleared.
4-digit password protected
The password will be overwritten with a new 4-digit password.
8-digit password protected The password will be overwritten with a new 8-digit password.
8-digit password protected
Limited distribution setting: Off
The password will be overwritten with a new 8-digit password.
8-digit password setting
Limited distribution setting: On
The password will not change.
(The program itself will not be downloaded.)
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