Wiring Proline Promag 55 PROFIBUS DP/PA
40 Endress+Hauser
4.2 Connecting the remote version
4.2.1 Connecting the sensor
#
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 conductor to the ground terminal on the housing
before the power supply is applied.
• If you use remote versions, connect sensors only to sensors and transmitters that have the same
fabrication number. Measuring errors can occur if the devices are not connected in this way.
Procedure ( å 28, å 29):
1. Transmitter: Loosen the screws and remove the cover (a) from the connection compartment.
2. Sensor: Remove the cover (b) from the connection housing.
3. Feed the signal cable (c) and coil current cable (d) through the appropriate cable entries.
"
Caution!
– Make sure the connecting cables are secured ä 21.
– Risk of damaging the coil driver. Do not connect or remove the coil cable until the power
supply has been switched off.
4. Terminate signal cable and coil current cable ä 42, ä 43
5. Establish the connections between the sensor and transmitter in accordance with the wiring
diagram:
å 28, å 29
wiring diagram inside the cover
!
Note!
The cable shields of the Promag H sensor are grounded using strain relief clamps (please refer
to the "Cable termination" table ä 43).
"
Caution!
Insulate the cable shields that are not connected. This eliminates the risk of short-circuits with
neighboring cable shields inside the sensor connection housing.
6. Transmitter: Secure the cover (a) on the connection compartment.
7. Sensor: Secure the lid (b) to the connection housing.
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