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amplificador isolador isolation amplifier 2284, pr electronics

Amplificador Isolador

Techno Supply  »  Produtos  »  PR Electronics  »  Amplificador Isolador
Amplificador Isolador
Fabricante
Amplificador Isolador
Principais características

Galvanically separated input, output, and supply
Bipolar current / voltage input
Signal conversion
Current and voltage output
24 VDC supply or universally supplied
Applicable in PELV/SELV circuits

VISÃO GERAL

Programmable input and output ranges using internal DIP-switches.
Front panel fine adjustment of 0 and 100% values for special ranges.

Galvanic separation of analog signals.
Measurement of floating signals.

DETALHES TÉCNICOS

Analog signal conditioning with microprocessor based gain and zero offset with a fast response time of less than 25 ms.

Signal conversion within the ranges: -250...+250 VDC or -50...+50 mA on the input and 0...10 (20) VDC and 0...20 mA on the output.

Galvanically separated between input, supply, and output.

2-wire transmitter supply and a reference voltage of 2.5 VDC, max. 15 mA for short circuit-protected supply of potentiometers.

Buffered voltage output 0...20 V, 10 mA.

The output can be ordered for standard 0/4...20 mA, and 0/1...5mA or special currents and selectable voltages within the signal range 0...1 VDC or and ranges 0...10 VDC.

Output signal reversal.

Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

 

Environmental Conditions

Specifications range -20°C to +60°C

Calibration temperature 20...28°C

Relative humidity < 95% RH (non-cond.)

Protection degree IP50

 

Mechanical specifications

Dimensions (HxWxD) 80.5 x 35.5 x 84.5 mm (D is without pins)

Weight DC / universally supplied 125 g / 165 g

 

Common specifications

Supply

Supply voltage 19.2...31.2 VDC

Supply voltage, universal 21.6...253 VAC, 50...60 Hz or 19.2...300 VDC

 

Isolation voltage

Isolation voltage, test / working 3.75 kVAC / 250 VAC

 

Response time

Response time (0...90%) < 25 ms

Max. power consumption ≤ 2.4 W (2284--D) ≤ 2.5 W (2284--P)

Signal / noise ratio Min. 60 dB

Effect of supply voltage change < 0.005% of span / VDC

2-wire transmitter supply (pin 7...5) 19...28 VDC / 20...0 mA

Auxiliary voltages: Reference voltage 2.5 VDC ±0.5% / 15 mA

Temperature coefficient < ±0.01% of span / °C

Linearity error < 0.1% of span

EMC immunity influence < ±0.5% of span

 

Input specifications

Common input specifications

Max. offset 50% of max. value

Current input

Measurement range -50...+50 mADC

Min. measurement range (span) 0.53 mADC

Input resistance Nom. 50 Ω

Voltage input

Measurement range -250...+250 VDC

Min. measurement range (span) 27 mVDC

Input resistance >1 MΩ...

 

Output specifications

Current output

Signal range 0...20 mA

Min. signal range 4 mA

Load (max.) 20 mA/1000 Ω/20 VDC

Load stability ≤0.01% of span / 100 Ω

Current limit 23...28 mA

Voltage output through internal shunt See manual for details

 

Approvals

EMC 2004/108/EC

LVD 2006/95/EC

PELV/SELV IEC 364-4-41 and EN 60742

EAC TR-CU 020/2011

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