Measurement Of Voltage (Linear) With Two Sensors; Measurement Of 2 Potentiometers (With Linear Interpolation Linearisation) - Siemens SITRANS TH400 PROFIBUS PA Configuration Manual

3.6.11

Measurement of voltage (linear) with two sensors:

PRIMARY_VALUE_UNIT
LIN_TYPE
LIN_TYPE_2
SENSOR_MEAS_TYPE
SENSOR_CONNECTION
SENSOR_CONNECTION_2
RJ_TYPE
Connections:
3.6.12

Measurement of 2 potentiometers (with Linear interpolation linearisation):

PRIMARY_VALUE_UNIT
LIN_TYPE
LIN_TYPE_2
SENSOR_MEAS_TYPE
SENSOR_CONNECTION
SENSOR_CONNECTION_2
RJ_TYPE
Connections:
The coordinates (x,y) describing the linear interpolation linearisation must be entered in
PR_CUST_LIN Block (PA Slot 4). See 3.9.2 Linear Interpolation Linearisation, Paramter List
for further details.
SITRANS TH400 PROFIBUS® PA
Configuration Manual, 02/2007, A5E01039143-01
= µV, mV or V
= No linearisation
= No linearisation
= Anything, but not "PV = SV_1, SV_2 not available"
= N/A (ignored in setup check)
= N/A (ignored in setup check)
= N/A (ignored in setup check)
2 x mV
2
+
-
1
+
-
= %
= Table Linearisation
= Table Linearisation (same table as sensor 1)
= Anything, but not "PV = SV_1, SV_2 not available"
= Default set to 3-wire
= Default set to 3-wire
= N/A (ignored in setup check)
2 x 3-wire potmeters
3.6 Transducer Block Examples Setup
Connections with two sensors can be
configured for
2 measurements, difference, average
or redundancy
Connections with two sensors can be
configured for
2 measurements, difference, average
or redundancy
The Transducer Block
21