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Structure and mode of operation
T40FH
A4429-3.0
HBM: public
13
4
Structure and mode of operation
The torque flange consist of two separate parts: the rotor and the stator. The
rotor comprises the measuring body and the signal transmission elements.
Strain gages (SGs) are installed on the measuring body. The rotor electronics
for transmitting the bridge excitation voltage and the measurement signal are
located centrally in the flange. The transmitter coils for contactless transmission
of excitation voltage and measurement signal are located on the measuring
body's outer circumference. The signals are sent and received by a separable
antenna ring. The antenna ring is mounted on a housing that includes the elec
tronic system for voltage adaptation and signal conditioning.
Connector plugs for the torque and rotational speed signals, the voltage supply
and the digital output are located on the stator. The antenna segments (ring)
should be mounted concentrically around the rotor (
Antenna segments
Rotor
Connector
plugs
Stator housing
Type plate
Connector plugs
Fig. 4.1
Mechanical construction