Mitsubishi GT16 User Manual page 134

POINT POINT POINT
(1) How to select a keyword protection level
For equipments that are allowed to operate the FX PLC on line, 3 levels of protection level can be set.
When performing monitoring or changing settings with any on-line equipment is required, set password with
referring to the following.
(a) When setting keyword only
Select a protection level by the initial letter of keyword.
All operation protect : Set a keyword with initial letter of "A", "D" to "F", or "0" to "9".
Read/Incorrect write protection : Set a keyword with initial letter of "B".
Incorrect write protect : Set a keyword with initial letter of "C".
(b) When setting keyword and 2nd keyword
Select a protection level by [Registration condition].
(2) Monitoring availability at each keyword protection level
Device monitoring availability at each keyword protection level is shown in the following.
Monitoring devices
Changing
devices
(3) Difference between all online operations prohibition and all operations prohibition
When specifying All online operations prohibited, displaying devices and inputting data with a programming
tool or GOT are all prohibited.
When all operations are prohibited, displaying devices and inputting data with the GOT are enabled while all
operations using a programming tool are prohibited.
3 - 18 3.2 Communication Detail Setting
When registering keyword only
Item
All operation
protect
T, C set value and
file register (D1000
and the following)
Other than the above
Read/
All on-line
Incorrect Incorrect
operation
write write protect
protection
When registering keyword and 2nd
keyword
Read/write Write
protect protect
protect
Keyword
not
registered
or
protection
cancelled