Abus-technologies HART? Block Temperature Transmitter Manual de usuario descargar pdf (Pagina 4)

ABUS TECHNOLOGIES INC.

HART

Block

1. INTRODUCTION

HART Block is a Smart and universal 2-wire In-head transmitter for temperature

and other measurement applications. HART Block is the Intrinsic Safe version for use

in Ex-applications. HART Block is fully HART-compatible, with communication through

the HART protocol, directly on the 4-20 mA output loop, by using general hand-held

HART Communicator, which facilitates the access to and use of functions like

transmitter configuration, documentation, monitoring and calibration.

2. PRESENTATION

2.1 Features

1. Universal settings with HART-protocol for various input signals.

2. 2 wire technology, 4 to 20mA analogue output

3. High accuracy in total ambient temperature range

4. Galvanic isolation

5. An internal temperature sensor for active temperature compensation(For T/C)

6. Wide voltage supply range

7. Expanded resistance input (max 10K )

8. Expanded voltage input (max 2KmV)

2.2 Technical Parameters

OUTPUT

Output signal: 4 ~ 20 mA

Signal on alarm: Under ranging Linear drop to 3.8 mA.

Over ranging Linear rise to 20.8 mA.

Sensor Break; Sensor open-circuit 3.8 mA.

Load: max.(V

Power Supply

-7.5 V)/0.0208 A

Linearization/Transmission behaviour: Temperature linear, resistance linear, voltage

linear.

Galvanic isolation: U=2 KV AC (input/output).

Power Supply (polarity protected): 7.5 ~ 45 VDC (without display).

PERFORMANCE

Response time: 1s

Reference operating conditions: Calibration temperature 23°C (73.4°F) ±5K

Long term stability: ≤0.05% per year.

Switch on delay: ≤ 5s

Influence of ambient: Negligible

Load Influence: Negligible

Power Supply Influence: Negligible

Self stability configuration: 0 ~ 2%

Filter configuring: 0 ~ 160 μ A

Resolution: 0.3 μ A

1 2 3 4 5 6 7 8

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