Wika TIF52 Manual do Utilizador descarregar pdf (Página 19)

WIKA operating instructions models TIF50, TIF52

14009686.02 03/2012 GB/D

7.1 Sensor

Open the case cover, push one of the two black fastening clips backwards and

pull the display module upwards.

Designation of terminal connectors

7.1.1 Resistance thermometer (RTD) and resistance sensor

The connection of a resistance thermometer (e.g. per EN 60751) into a 2-, 3- or 4-wire

sensor connection or the connection of two identical resistance thermometers into a 2-wire

connection with an identical measuring range. The sensor input of the transmitter has to

be congured in accordance with the actually used sensor connection type, otherwise a

complete use of the possibilities of connection compensation is not possible; furthermore

this may cause additional measuring errors (see chapter 6.2 "Conguration").

7.1.2 Thermocouples (TC)

It is possible to connect one or two identical thermocouples. Make sure that the

thermocouple is connected with the correct polarity. If the lead between the thermocouple

and the transmitter needs to be extended, only use thermal or compensation cable

appropriate for the connected thermocouple type.

7. Electrical connection

Resistance thermometer/

resistance sensor

4-wire 3-wire 2-wire

Potentio-

meter

Thermocouple

CJC with external

Pt100

Input resistance sensor, thermocouple

11234547.0X

Dual thermo-

couple/dual mV

sensor

Dual resistance

thermometer/dual

resistance sensor

2+2-wire

Identical dual sensors are supported for all sensor

models, i. e. dual sensor combinations as for example

Pt100/Pt100 or thermocouple type K/ type K are possible.

A further rule is:

Both sensor values have the same unit and the same

sensor range.

Sensor 1

Sensor 2

Sensor 1

Sensor 2

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 67 68

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