Profibus Pa Circuit; Measures To Be Taken Before Installation; Electrical Connection Of The I/O Box T - Burkert 8642 Manuel D'utilisation

5.1

Measures to be taken before installation

Check the connections, voltage and operating pressure!
Ensure that the max. operating data (see name plate) is not exceeded!
ATTENTION!
5.2 Electrical connection of the I/O Box Type 8642 with

PROFIBUS PA circuit

Fig. 2: I/O Box Type 8642 with PROFIBUS PA circuit
This device complies with the European Community EMC
guideline No. 89/336/EWG. Observe the installation
instructions in order to fulfil the regulations of this guideline.
Connect the screw terminal TE (technical earth) to the earth
potential using a cable that is as short as possible, or take
suitable measures to prevent undesired electro-magnetic
interference affecting the device.
Connecting cable for TE (technical earth):
- minimal diameter: 2.5 mm
- maximum length: 30 cm
2
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