Connection
5.1 Electric
SIPART PS2 with and without HART
70 Operating Instructions, 10/2013, A5E00074631-11
Note
Improvement of interference immunity
•
Lay signal cables separate from cables with voltages > 60 V.
Use cables with twisted wires.
Avoid getting too close to large electrical process cells.
Use shielded cables to guarantee the full specification according to HART.
Take account of the conditions specified in the technical data for HART communication.
Electromagnetic compatibility
The Macrolon enclosure is metalized from inside to increase the electromagnetic
compatibility (EMC) with respect to high-frequency radiation. The shield is connected to the
threaded bush shown in the following picture such that it is electrically conductive.
Note that this protection is effective only if you connect at least one of these bushes to the
earthed control valves through electrically conductive (bare) attachments.
Shield
Figure 5-1 Base plate
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