Feedback Potentiometer (Standard Signal 4-20 Ma) - Burkert 3003 Instructions De Service

6.2 Feedback potentiometer (standard signal 4-20 mA)

Description
The feedback potentiometer gives the position of the valve for 90°. The output signal
is 4-20 mA
Diagram
Fig 12: Feedback potentiometer (standard signal 4-20 mA)
Technical Data
Potentiometer
Linearization
Range of movement
Translation ratio
Translation speed
Linearity
Ambient temperature
Output
Resolution
Power supply voltage
Charge resistance
LED red: Lights during programming or when the angle measured is outside the
measurement range.
20 - 3003
Part Description
1 Card
2 Potentiometer
3 Potentiometer gear
4 Positioning gear
5 Screws
6 HD 788 4-20 mA converter
100 Ohm
En 6071-IEC 751-BS 1904
90° ± 10%
2,3
2 measurements per second
± 1%
-10 °C ... +60 °C
4-20 mA oder 20-4 mA
4µA
7-30 V DC
RLmax =Vcc-9/0,22 => RLmax
= 680 Ohm bei Vcc = 24 Vdc
180° ± 10%
1,3