Siemens SITRANS P DS III User Manual

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

Siemens SITRANS P DS III Specifications

General

Type	Pressure Transmitter
Communication	HART, PROFIBUS PA, FOUNDATION Fieldbus
Housing material	Aluminum or Stainless Steel
Measured variable	Pressure
Output signal	4...20 mA HART, PROFIBUS PA, Foundation Fieldbus
Ambient temperature range	-40 to +85 °C
Power supply	10.5...45 V DC
Protection class	IP66, IP67
Process connection	Various