Siemens SITRANS TH400 PROFIBUS PA Configuration Manual page 14

The Transducer Block
3.5 AI_Transducer Block Configuration Flowchart
Resistance?
14
2a 2b
RTD+Thermo-
couple?
Error! (try again)
Set LIN_TYPE to
YES
"no linearisation" or
"linearisation table"
Set
to Ohm or kOhm
Set
to 2-,3-or 4-wire.
2-wire?
4-wire?
YES
Dual sensor?
Set
SENSOR_MEAS_TYPE
to single sensor type
Set LIN_TYPE to
YES
Millivolts? "no linearisation" or
"linearisation table"
Set
to V,mV or µV
Dual sensor?
Set
SENSOR_MEAS_TYPE
to single sensor type
3a
Set
YE S
to dual sensor type
Set LIN_TYPE to TC
type (TC K etc.)
Set LIN_TYPE_2 to
RTD type (Pt100 etc.)
Set RJ_TYPE
(internal, external etc.)
RJ_TYPE
YES
external?
Enter wire resistance in
YE S
Ohms for both wires to
COMP_WIRE1
Enter setup for sensor 2 :
Set LIN_TYPE_2 to
YES
"no linearisation" or
"linearisation table"
Enter wire resistance in
Ohms for both wires to
COMP_WIRE2
to dual sensor type
Enter set up for sensor 2:
Set LIN_TYPE_2 to
YES
"no linearisation" or
"linearisation table"
to dual sensor type
Configuration Manual, 02/2007, A5E01039143-01
2c
3b
SITRANS TH400 PROFIBUS® PA