e.bloxx D1-1, D1-4
MOUNTING e.bloxx AND CONNECTING WIRES
19
HB_EBLOXX-D1_E_V18.doc
Gantner Instruments Test & Measurement GmbH
3.5. Shielding
In case of increased interference, such as in industrial areas, we recommend shielding of bus and signal cables. In
general, the shield should be connected to the protective grounding (not DataGround!) at each bus connection. If
necessary, the shield should also be applied along the course of the cable several times. For shorter distances, e.g. with
stub cables, the interference response is often improved if the shielding is only applied to the stub cable exit.
Bus users such as controllers (PLCs), computers (PCs), repeaters and interface converters (ISK), etc., generally feature
the possibility of applying the shield directly to the appliance or to separate shield rails. Shield rails offer the advantage
of preventing possible interfering signals from reaching the appliance. The shields, which are connected to protective
grounding, conduct interference signals off before reaching the module.
The e.bloxx do not have a direct shield connection at the module. Here the shield of the bus cable can be connected to
earth e.g. by so-called shield clamps.
Picture
3.10. - Grounding of the Bus Line Shield at an e.bloxx
Notice:
The shielding screen must not be connected to the ground (0V) of the power supply and it should always be
connected to earth with a large surface and low-inductance.
3.6. Rapid Bus Link Plug
The e.bloxx have plugs on the left and right side, which allow to connect the bus and power supply from one module to
the next with a Rapid Bus Link Plug (type designation:
ICM 100
). This novel kind of connecting bus and power supply is
particularly advantageous if several modules are mounted on one common profile rail side by side. In this case, only the
terminal of one module has to be connected. Furthermore, various modules of the e.bloxx series may be connected with
the Rapid Bus Link Plug.
Notice:
The current flowing through the Rapid Bus Link Plug Jack and the e.bloxx must not exceed 1 A. Thus, the
power supply should preferably be connected to the middle of several modules and no more than 6 pieces of
e.bloxx may be connected via the Rapid Bus Link Plug
ICM 100
in one line.
Содержание e.bloxx D1 Series
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