Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 170)

Publication 900-UM007D-EN-E - January 2011
4-34 Parameter Adjustments & Application Considerations
Operation/Adjustment Protection
To move to the Protect function group from the Operation or Adjustment
function groups, press the
O and M keys simultaneously for at least
3 seconds.
Note: The key pressing time can be changed using the Move to Protect
function group time in the Advanced Settings function group.
After the time interval, the controller display will look as follows:
Figure 4.58
Table 4.V shows the relationship between configured/set values and the range
of protection.
When the Key Protect parameter is configured to 0, parameters are not
protected.
Note: The default is 0..
oapt
0
Table 4.V — Relationship Between Configured/Set Values & Range of Protection
Level
Set Value
0 1 2 3
Operation Group PV Can be displayed Can be displayed Can be displayed Can be displayed
PV/SP Can be displayed
and changed Can be displayed
and changed Can be displayed
and changed Can be displayed
Others Can be displayed
and changed Can be displayed
and changed Cannot be
displayed and
moving to other
groups is not
possible. Cannot be
displayed and
moving to other
groups is not
possible.
Adjustment Group Can be displayed
and changed Cannot be
displayed and
moving to other
groups is not
possible. Cannot be
displayed and
moving to other
groups is not
possible. Cannot be
displayed and
moving to other
groups is not
possible.