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10.2 Communication Detail Settings
10.2.3 Display contents of communication detail settings
(1) Selection of keyword protection level
For the devices which can perform the online operation of FX PLC, 3 levels of
protection can be set.
When the monitoring or setting change by online devices is needed, set the
keyword taking the following into consideration.
(a) When only keyword is registered
Protection level is selected by the head character of keyword.
All operation prohibition: Set the keyword starting with one of A, D to F, or 0 to
9.
Read/incorrect write protection: Set the keyword starting with B.
Erroneous write prohibition: Set the keyword starting with C.
(b) When keyword and 2nd keyword are registered
Protection level is selected by "Registration options".
(2) Applicability of monitoring for each keyword protection level
The applicability of monitoring for each protection level is as follows.
(3) Difference between "All Protect" and "All operation prohibition"
When "All Protect" is selected, both device display and input by the programming
tool or GOT are prohibited.
When "All operation prohibition" is selected, device display and input are possible
although operations by the programming tool are all prohibited.
Setting items
When only keyword is registered
When keyword and 2nd keyword are
registered
Keyword
unregistered/
protection
cancelled
All
operation
prohibition
Read/
incorrect
write
protection
Erroneous
write
prohibition
All Protect
Read/
Write
prohibition
Write
Protect
Device monitoring
Device
change
T, C setting values
and file register
(from D1000)
Other than the
above
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