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Technical manual BA 0314 Signal converter WTAU – 100 / 120 / 200 / 220 Isolation amplifier Pt100 – active for galvanic isolation, conversion and adjustment of a Pt100 temperature signal Input signals Pt100 in 2- or 3-wire-technology Zero value –100°C...+35°C ...
WTAU –100 / 120 / 200 / 220 Application The active isolation amplifier of the series WTAU is used to linearize Pt100 temperature signals, to convert it into one resp. two galvanic isolated electrical standard signals or to adjust the signals in the zero value and/or end value resp.
WTAU –100 / 120 / 200 / 220 Safety notes Each person that is engaged with inauguration and operation of this device, must have read and understood this technical manual and especially the safety notes. Installation, electrical connection, inauguration and operation of the device must be made by a qualified employee according to the informations in this technical manual and the relevant standards and rules.
WTAU –100 / 120 / 200 / 220 Electrical connection The electrical connection of the device must be carried out according to the respective country specific standards. Incorrect installation or adjustment could cause applicationally conditioned risks. Power supply input, measuring input and signal output channels are safe galvanically isolated from each other. This is also valid for both signal output channels among each other.
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WTAU –100 / 120 / 200 / 220 Electrical connection Connection of the output For the two-wire connection cable between the isolation amplifier and the connected devices a standard installation cable or multi-wire cable for measuring intends with a maximum of 25 per wire can be used. The use of a shielded signal cable is recommended, if strong electromagnetic influences could happens, e.g.
WTAU –100 / 120 / 200 / 220 Operation and display elements Channel 1 Trimmer for zero and end value adjustment only at version Configuration switch WTAU – 100 / 200 inside the housing Function indicator only at versions 1 LED for indication of WTAU –...
WTAU –100 / 120 / 200 / 220 Technical data Auxiliary power supply Permitted supply voltage: 20 V to 253 V AC / DC 48...62 Hz, reverse polarity protected Power consumption: 3 VA / 2 W (WTAU –100 / 120) resp. ...
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