Locking Buttons And Functions - Siemens SITRANS P DS III Operating Instructions Manual

Operation
6.5 Local operation
Resetting fault current
To reset the fault current to the basic setting, proceed as follows:
Press the [↑] and [↓] [M] keys simultaneously.
Fault causes
Fault currents may be triggered by:
● FW alarm
● HW alarm
● Diagnostic interrupt
● Sensor breakage
● Measured value status BAD
Reference
NAMUR recommendation NE43 dated 02/03/2003
"Standardization of the signal level for the breakdown information of digital transmitters"
6.5.9

Locking buttons and functions

Introduction
In mode 10, you can disable the functions that can be executed using buttons. Application
example for a lock is e.g. safeguarding the saved parameters.
Lock options
You have the following lock options on the pressure transmitter:
Table 6- 5
Lock mode
0
LA
LO
94
Meaning of lock modes in mode 10
Meaning
The device can be operated by means of the keys and HART communication.
Keys on the transmitter are locked.
Exception:
Releasing key lock
•
The device can be operated by means of HART communication.
Keys on the transmitter are partially locked.
Exception:
Setting start of scale value
•
Releasing key lock
•
The device can be operated by means of HART communication.
SITRANS P DS III with HART
Operating Instructions, 06/2013, A5E00047092-09