Mitsubishi Electric GOT 1000 User Manual page 156

Device monitoring
Device
change
11 - 21 11.4 Keyword
11.4.3 Regist
(1) Selection availability of Registration conciliation
The following table lists the PLCs that can select Registration conciliation.
Target PLC
FX PLC compatible with 2nd
*1
keyword
FX PLC not compatible with
*1
2nd keyword
*1: Refer to the manual for the PLC in use for the models that are compatible with the 2nd keyword.
*2: Registration options
Options can be selected among "Read/Write Protect", "Write Protect", or "All online operation protection".
For access restrictions of each setting, refer to the manual of the PLC to be used.
(2) 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 Protect: 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".
(3) Applicability of monitoring for each keyword protection level
The applicability of monitoring for each protection level is as follows.
When only keyword is registered
Setting items
All Protect
T, C setting values
and file register
(from D1000)
Other than the
above
*1: When the T, C set values are specified indirectly, changing devices is available.
(4) Difference between "All online operation protection" and "All Protect"
When "All online operation protection" is selected, both device display and input
by the programming tool or GOT are prohibited.
When "All Protect" is selected, device display and input are possible although
operations by the programming tool are all prohibited.
When keyword and 2nd keyword are
registered
Registration options can be selected.
-
Read/
Erroneous
incorrect
write
write
prohibition
protection
*1 *1 *1
Settings
When only keyword is registered
Registration options
selected.
When keyword and 2nd keyword are
registered
All online Read/
Write
operation Write
Protect
protection prohibition
*2
cannot be
Keyword
unregistered/
protection
cancelled