Using The Key Protect Level; Key Protect - Omron E5GN User Manual

CHAPTER 4 APPLIED OPERATION

4.9 Using the Key Protect level

JKey protect
F Operation/adjust-
ment protection
F Initial setting/
communications
protection
F Setting change
protection
4–18
• To move to the protect level, press the
for at least three seconds.
* The key pressing time can be changed in "protect level move time"
(advanced function level).
• The protect level protects parameters that are not changed during con
troller operation until operation is started to prevent them from being
modified unintentionally. Three levels of protection are provided on the
E5GN, operation/adjustment protection", initial setting/communica
tions protection" and setting change protection".
• The protect level setting restricts the range of parameters that can be used.
The following table shows the relationship between set values and the
range of protection.
Level
0
f
PV
Operation
PV/SP
level level
Other
Adjustment level
• When this parameter is set to 0", parameters are not protected.
• Default is 0".
This protect level restricts movement to the initial setting level, commu
nication setting level and advanced function setting level.
Set value Move to initial setting level
Possible ("move to advanced function
0 setting level enabled" parameter dis-
played)
Possible ("move to advanced function
1 setting level enabled" parameter not
displayed)
2 Not possible
• Default is 1".
This protect level protects setup from being changed by operating the keys
on the front panel.
Set value
OFF Setup can be changed by key operation.
ON Setup cannot be changed by key operation. (The protect level can be
changed.)
• Default is OFF".
and
Set value
1 2 3
f f f
: Can be displayed and
changed
f
f : Can be displayed
 : Cannot be displayed
 
and move to other levels
  
not possible
Move to communications
setting level
Description
keys simultaneously
Possible
Possible
Not possible