Endress+Hauser Solimotion FTR20, Operating Instructions Manual

Page: 18 / 60

Solimotion FTR20 Electrical connection
18 Hauser
The optional enclosed plug connectors must fulfil the following requirements:
• Clamping range of the connection cable:
- 6 ... 8 mm (M12 plug connector, Binder series 713/763)
- 7 ... 10.5 mm (Harting HAN8D plug connector)
• Cable cross-sections: max. 0.75 mm
2
or AWG 18
• The plug connectors are only approved for connecting fixed cables. The operator must
provide suitable strain relief.
For the electrical connection with connectors there are suitable prefabricated connection
cables available as accessory (→ 54).
6�2 Potential equalization
The following requirements apply to the potential equalization:
• The potential equalization must be connected to the external ground terminal on the
FTR20.
• For optimal electromagnetic compatibility, the potential equalization line should be as short
as possible.
• The recommended cable cross-section is 2.5 to 4 mm
2
.
• The potential equalization for the FTR20 must be integrated into the existing potential
equalization on site.
6�3 Connecting the device
There are terminals on the inside or connectors on the outside for the electrical connection.
• For the electrical connection with connectors there are suitable mating connectors available
for ordering according to the product configurator or as accessory.
• Prefabricated connection cables with suitable mating connectors are also available as
accessory.
• For more information on the range of available accessories
→  54