Abus-technologies DP Series Smart Pressure Transmitter Bedienungsanleitung PDF herunterladen (Seite 5)

ABUS TECHNOLOGIES INC.

M94

Description

2.2 Working Principle

As indicated in the working principle diagram, the outside pressure or differential pressure

will cause some change in the sensor capacitance value. Through the digital signal conversion, it

will change into the frequency signal, which is sent to the microprocessor. After the calculation by

microprocessor, a current control signal will be output to the current control circuit, converted into

analogue 4-20mA current output. Meanwhile, the microprocessor is responsible for the

interactive and other actions (display and setting). The communication port used for digital

communication needs the special port of our company. HART module will realize the transmitter

HART communication.

1 Cover 14 Cover lock bolt

2 O-ring 15 Sensor

3 Wiring terminals cover 16 O-ring

4 Mounting bolts of circuit board 17 O-ring

Thunder-proof wiring circuit

board

18 Position code plate

6 Name plate 19 Zero alignment plate

7 Housing body 20 Housing body lockup bolt

8 Meter head 21 Parallel wires

9 Mounting bolts of meter head 22 Circuit board

10 Meter head cover 23 Nut M10

11 Drain/ vent valve 24

Integrated 3-valve group

(optional)

12 Template 25 Welded connector (optional)

13 Bolts M10 26 Flange (optional)

1 2 3 4 5 6 7 8 9 10 ... 14 15

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Abus-technologies DP Series Smart Pressure Transmitter Bedienungsanleitung Seite 5