Functional Principle; Operation Of The Electronics - Siemens Sitrans P500 Operating Instructions Manual

3.5

Functional principle

3.5.1

Operation of the electronics

Description
①
②
③
④
⑤
⑥
Figure 3-5
Function
● The input pressure is converted into an electrical signal by the sensor
● This signal is amplified by the measuring amplifier
digital converter
SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
Measuring cell sensors
Measuring amplifier
Analog-to-digital converter
Microcontroller
Digital-to-analog converter
Each with an EEPROM in the measuring
cell and in the electronics
Operation of electronics with HART communication, simplified illustration
③
.
⑦
HART modem
⑧
Buttons (local operation)
⑨
Display
I Output current
A
U Auxiliary power
H
②
and converted in an analog-to-
Description
3.5 Functional principle
①
.
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