Wiring Proline Promass 83 PROFIBUS DP/PA
32 Endress+Hauser
4.3.2 Transmitter connection
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Warning!
• Risk of electric shock. Switch off the power supply before opening the device. Do not install or
wire the device while it is connected to the power supply. Failure to comply with this precaution
can result in irreparable damage to the electronics.
• Risk of electric shock. Connect the protective earth to the ground terminal on the housing before
the power supply is applied (not required for galvanically isolated power supply).
• Compare the specifications on the nameplate with the local supply voltage and frequency. The
national regulations governing the installation of electrical equipment also apply.
1. Unscrew the connection compartment cover (a) from the transmitter housing.
2. Feed the power supply cable (b), the signal cable (d) and the fieldbus cable (e) through the
appropriate cable entries.
3. Perform wiring:
– Wiring diagram (aluminium housing)
– Wiring diagram (stainless steel housing)
– Wiring diagram (wall-mount housing)
– Terminal assignment
"
Caution!
– Risk of damaging the fieldbus cable!
If the shielding of the cable is grounded at more than one point in systems without additional
potential equalisation, mains frequency equalisation currents can occur that damage the
cable or the shielding. In such cases the shielding of the cable is to be grounded on only one
side, i.e. it must not be connected to the ground terminal of the housing. The shield that is
not connected should be insulated!
– We recommend that the fieldbus cable not be looped using conventional cable glands. If you
later replace even just one measuring device, the bus communication will have to be
interrupted.
4. Screw the cover of the connection compartment (a) back onto the transmitter housing.
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