Operating instructions

Description
3.5 Mode of operation
SIPART PS2 with and without HART communications
32 Operating Instructions, 09/2007, A5E00074631-07
3.5.4 Mode of operation of the HART function
Note
Operation at the positioner has priority over specifications from the HART communicator.
Failure of the auxiliary power to the positioner also interrupts communications.
Function
The positioner is also available with built-in HART functionality. The HART protocol allows
you to communicate with your device through a handheld communicator, PC, or
programming unit. You can do the following with your device:
Convenient configuration
Store configurations
Call up diagnostic data
Show online measured values
Communication takes place as frequency modulation on the existing signal lines for the
control values of 4 to 20 mA.
The positioner is integrated into the following parameterization tools:
Handheld Communicator
PDM (Process Device Manager)
AMS (Asset Management System)
Cornerstone (without diagnostic values/functions)