Mitsubishi GT16 User Manual page 129

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.
Item
Monitoring devices
T, C set value and
file register (D1000
Changing
and the following)
devices
Other than the above
(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.
When registering keyword only
Read/
All operation Incorrect Incorrect
protect write write protect
protection
When registering keyword and 2nd
keyword
All on-line
Read/write
operation
protect
protect
3.2 Communication Detail Setting
1
2
3
Keyword
not
registered
or
Write
protection
4
protect
cancelled
5
6
7
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