When dealing with Measurement and Control signals, Signal Conditioners are crucial for the healthy operation of the whole system. Let’s find out why:
- Electrical Isolation – The most important task of a signal conditioner is the electrical isolation of signals. A reliable Signal Conditioner offers consistent isolation of input, output, and supply. As such, ground current loops can be prevented in the event of potential differences, which would otherwise lead to a distortion of the measured process values.
- Convert – An advantage of signal conversion is the conversion of sensor signals into a signal that can be read by the controller, such as PT100 in 4…20 mA. In addition, failure-prone signals such as 0 – 10 V, for example, can be converted into non-prone current signals.
- Amplify – Signals always need to be amplified in the event that cables are long or if high loads are to be driven. It is here where the signal conditioners must provide a high output power at a low input power.
- Filter – In industrial environments, interference often occurs as a result of high-frequency signals. The input filters of the signal conditioners therefore reliably filter out such interference signals.
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