E5GN
5–3
Three levels of protection are provided on the E5GN, operation/adjustment protection", initial
setting/communications protection" and setting change protection." These protect levels preĆ
vent unwanted operation of the keys on the front panel in varying degrees.
The settings of protected parameters are not displayed
and so cannot be modified.
Power ON
1 second
min.
Operation
level
Adjustment
level
To move from the operation level to the protect level, press
the and keys for at least three seconds.
Protect level
Operation/adjustment
protection
Initial setting/commuĆ
nications protection
Setting change
protection
Page
5-3
5-3
5-3
key
+ key
1 second min.
Control in prog-
ress
Protect
level
+ key
3 seconds min.
Operation/adjustment protection
Initial setting/communications protection
Setting change protection
This parameter specifies the range of parameters to be protected. indicates the default.
FĂOperation/adjustment protection
The following table shows the relationship between set values and the range of
protection.
Set value
Level
0 1 2 3
PV f f f f
Operation
PV/SP f
level
Other
Adjustment level
Ă• Parameter items are not protected when the set value is set to 0".
FĂInitial setting/communications protection
This protect level restricts movement to the initial setting level and communication
setting level.
Set value Move to initial setting level Move to communications setting level
0
Possible (“move to advanced func-
tion setting level enabled” parame-
ter displayed)
Possible
1
Possible (“move to advanced func-
tion setting level enabled” parame-
ter not displayed)
Possible
2 Not possible Not possible
FĂSetting change protection
Changes to setups by key operation are restricted.
Set value Description
OFF Setup can be changed by key operation.
ON Setup cannot be changed by key operation. (The protect level can be changed.)
Protect Level
Function
: Can be displayed and changed
f : Can be displayed
: Cannot be displayed and move to
other levels not possible
Setting
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