Deltabar S PROFIBUS PA Operation
Endress+Hauser 21
4.5 Locking/unlocking operation
Once you have entered all the parameters, you can lock your entries against unauthorised and
undesired access.
You have the following possibilities for locking/unlocking the operation:
•Via a DIP-switch on the electronic insert (→ see Page 13, Fig. 7).
•Via the on-site display (optional)
•Via digital communication.
The -symbol on the on-site display indicates that operation is locked. Parameters which refer
to how the display appears, e.g. LANGUAGE and DISPLAY CONTRAST can still be altered.
!
Note!
•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 remote operation e.g. FieldCare,
you can only unlock operation again by means of remote operation.
The table provides an overview of the locking functions:
Locking via View/
read
parameter
Modify/write via
1)
1) Parameters which refer to how the display appears, e.g. LANGUAGE and DISPLAY CONTRAST can still be altered.
Unlocking via
On-site
display
Remote
operation
DIP-Switch On-site
display
Remote
operation
DIP-Switch yes no no yes no no
On-site display yes no no no yes yes
Remote operation yes no no no yes yes
Locking/Unlocking operation via on-site display or remote operation
Locking operation 1. Select INSERT PIN NO. parameter,
Menu path: GROUP SELECTION → OPERATING MENU → OPERATION →
INSERT PIN NO.
2. To lock operation, enter "0" for this parameter.
Unlocking operation 1. Select INSERT PIN NO. parameter.
2. To unlock operation, enter "2457" for the parameter.
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