Shielding Design; Connector Pin Assignment - HBM T10FM Mounting Instructions

T10FM
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5.1 Shielding design

The cable shielding is connected in accordance with the Greenline concept.
This encloses the measurement system (without a rotor) in a Faraday cage. It
is important that the shield is laid flat on the housing ground at both ends of
the cable. Any electromagnetic interference active here does not affect the
measurement signal. Special electronic coding methods are used to protect
the transmission path and the rotor from electromagnetic interferences.
In the case of interferences due to potential differences (compensating cur-
rents), operating-voltage zero and housing ground must be disconnected on
the amplifier and a potential equalization line established between stator hou-
sing and amplifier housing (copper conductor, 10 mm
If potential differences arise between the rotor and the stator on the machine,
perhaps due to unchecked leakage, and this causes interference, it can
usually be overcome by connecting the rotor directly to earth, for instance by
a wire loop. The stator should be fully earthed in the same way.

5.2 Connector pin assignment

On the stator housing, there are two 7-pin male device connectors
(Binder 723) and in the case of the speed module option, there is also an
8-pin male device connector, assigned in accordance with the selected option.
The supply voltage and the calibration signal of plugs 1 and 3 are direct-cou-
pled via multifuses (automatically resetting fuses).
B 23.T10FM.10 en
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wire cross-section).
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HBM