
GB
11178648.04 03/2010 GB/D/F/E
WIKA Operating Instructions Temperature Transmitter T53 21
6.3 Block diagram
Galvanic
isolation
Bus connection
1
2
Input 1
Selectable Inputs:
■
Resistance
thermometer
■
Thermocouple
■
Bipolar mV
■
Ohm
■
Potentiometer
Input 2
Internal
CJC
Analogue
to
Digital
converter
Transducer block
Input 1
Input 2
Dierence
Average
Redundancy
Terminal temperature
Engineering units
Diagnostics
Table linearisation
Polynominal linearisation
Process calibration
EEPROM
Complete conguration
C
orrektion coecients
Factory settings
Automatic
communication
switch
Function
blocks
AI1, AI2
PID
LAS
Foundation
eldbus
Protocol
Ex circuit
3
4
5
6
Function
blocks AI1,
AI2
Protocol
T53.10
6. Commissioning, operation
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