Siemens SITRANS P DS III - Page 77

Operation
6.5 Local operation
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
77
Control elements
➀
Display
➁
Connecting plug for the display
➂
Mode button
➃
Increment button
➄
Decrement button
➅
Button symbols (see cap)
Figure 6-5 Position of keys and display
Operating functions
Note
Zero point calibration
In the case of transmitters for absolute pressure, the start of scale value is vacuum!
The zero point calibration for transmitters which do not me
asure absolute pressure results in
maladjustments.
Note
Locking of buttons and functions
Local operation is possible if you are in measuring mode and neither "L", "LA" nor "LL" is
output in the mode display.
If operations are disabled, parameters can s
till be read. An error message is output if you try
to change parameters.