Mitsubishi Electric GT14 User Manual page 99

POINT POINT POINT
(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:
Read/incorrect write protection:
Erroneous write prohibition:
(b) When keyword and 2nd keyword are registered
Protection level is selected by [Registration conclition].
(2) Applicability of monitoring for each keyword protection level
The applicability of monitoring for each protection level is as follows.
Item
Device monitoring
T, C setting values
and file register
Device
(from D1000)
change
Other than the
above
*1 When the T, C setting values are specified indirectly, changing devices is available.
(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.
10. COMMUNICATION INTERFACE SETTING (COMMUNICATION SETTING)
Set the keyword starting with one of A, D to F, or 0 to 9.
Set the keyword starting with B.
Set the keyword starting with C.
When only keyword is registered
Read/
Erroneous
All operation Incorrect
write
prohibition write
prohibition
protection
*1 *1
When keyword and 2nd keyword are
registered
Read/Write
All Protect
prohibition
*1
10.2 Communication Detail Setting
9
10
11
Keyword
unregistered/
protection
Write
12
cancelled
Protect
13
14
15
16
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