21
TDOCT-
3147_E
NG
259858
08/
2013
Pressure Transmitter LHCR-51, LHCS-51
Operation
4.2.4
Locking/unlocking operation
Once you have entered all the parameters, you can lock your entries against unauthorized
and undesired access.
Locked operation is indicated as follows:
•
By the
symbol on the onsite display
•
The parameters are grayed out in
PACT
ware
TM
and the HART handheld terminal, which
means they cannot be edited. Indicated in the corresponding "Locking" parameter.
Parameters which refer to how the display appears, e. g. "Language" and "Display
contrast", can still be altered.
If operation is locked by means of the DIP switch, you can only unlock operation again by
means of the DIP switch. If operation is locked by means of the operating menu, you can
only unlock operation again using the operating menu.
The "Operator code" parameter is used to lock and unlock the device.
The release code is defined in the "Code definition" parameter.
Parameter name
Description
Operator code (021)
Entry
Menu path:
Setup
→
Extended setup
→
Operator code
Use this function to enter a code to lock or unlock operation.
User input:
• To lock: Enter a number
≠
the release code (value range: 1 up to 9999).
• To unlock: Enter the release code.
The release code is "0" in the order configuration. Another release code can be
defined in the "Code definition" parameter.
If the user has forgotten the release code, it can be made visible again by entering
the number sequence "5864".
Factory setting:
0
Parameter name
Description
Code definition (023)
Entry
Menu path:
Setup
→
Extended setup
→
Code definition
Use this function to enter a release code with which the device can be unlocked.
User input:
A number between 0 and 999
Factory setting:
0
NOTICE
NOTICE
DOCT3147_eng.book Seite 21 Freitag, 16. August 2013 4:58 16
