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4 connecting the external temperature sensor, Electrical connections – KROHNE OPTISYS CL 1100 EN User Manual

Page 15

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ELECTRICAL CONNECTIONS

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OPTISYS CL 1100

www.krohne.com

01/2013 - 4002492301 - MA OPTISYS CL 1100 R02 en

Connecting the sensor cable to the signal converter

• Thread the sensor cable through the middle right cable gland 1.
• Push the coax shield cable 6 into one of the terminals of terminal block S 2.
• Push the blue 3, white 4, and brown 5 wire into the terminals of terminal block Pos.A as

described in the previous drawing/table.

• To remove a cable, press down the white clip 7 on the corresponding terminal and pull the

cable out.

4.4 Connecting the external temperature sensor

Connect an external Pt100 or Pt1000 sensor to terminal block Pos.A/B of the signal converter
according to the following drawings:

Figure 4-3: Connecting the 4-wire coax cable

Cl

Figure 4-4: Connection of an external Pt100/1000 temperature sensor to the signal converter

1 2-wire connection
2 3-wire connection