Siemens SITRANS P DS III - Totalizer Function Block

Operator control functions via PROFIBUS
7.1 Communications structure for PROFIBUS PA
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
105
The analog input function block handles the numerical value separately from the physical
unit. You can set about 100 predefined units.
See also
Unit (Page 84)
7.1.6
Totalizer function block
The totalizer function block belongs to the standard functions of transmitters. The function
block is used in flow measurement. The following figure shows the processing of the
measured values through to the output values.
M
i
Incoming measured value from the transducer for pressure
MAN
Manual
O/S
Out of Service
OUT
Output (value, status)
AUTO
Automatic
Figure 7-6 Function groups of the totalizer function block