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Isolating, converting, filtering, and amplifying – the functions of an isolating amplifier

Electrical isolation

Comparison – with and without electrical isolation  

Prevent ground current loops, thanks to electrical isolation

The most important task of an isolating amplifier is the electrical isolation of signals.

MINI Analog offers consistent isolation of input, output, and supply.

In this way, ground current loops can be prevented in the event of potential differences and process values are therefore not distorted.

Converting signals

Transforming voltage signals into current signals  

Transforming voltage signals into current signals

Use isolating amplifiers to convert signals that are sensitive to interference, such as 0 … 10 V, into more resistant current signals. Or transform sensor signals into signals that can be evaluated by your controller: such as Pt 100 temperature signals transformed into 4 … 20 mA current signals.

Amplifying signals

Amplifying analog signals  

Amplifying analog signals

Signals always need to be amplified if you want to use long cable lengths or drive high loads.

It is here where the isolating amplifiers from the MINI Analog range provide a high output power at a low input power.

Filtering signals

Filtering of high-frequency interference signals  

Filtering of high-frequency interference signals

In industrial environments, interference often occurs as a result of high-frequency signals.

The input filters of the MINI Analog isolating amplifiers therefore reliably filter out these interference signals.


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Further information

PHOENIX CONTACT PTY Ltd

Unit 7, 2-8 South Street
Rydalmere NSW 2116

Fax: 1300 723 399
Customer Service Hotline
1300 786 411

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