Endress+Hauser Deltabar S FMD 77, Brief Operating Instructions

Page: 28 / 40

Operation Deltabar S PROFIBUS PA
28 Hauser
6.5 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 20, 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.
• 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.