Function And Characteristics; Characteristics; Function - Balluff BTL5-T1-M-P-S103 Serie Manual De Instrucciones

BTL5-T1_ _-M_ _ _ _-P-S103
Micropulse Linear Transducer – Profile Housing
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Function and characteristics

2.1

Characteristics

– High data reliability: output data
are checked in the µC for validity
and plausibility.
– Up to 4 positions can be pro-
cessed
– Definable working strokes
– Absolute output signal
– High resolution, repeatability and
linearity
– Insensitive to shock, vibration,
contamination and noise
– Cable length between transducer
and controller up to 1200 m
– Configuration using Step7, COM-
PROFIBUS, WinDP, or other
configuration softwarer
– Protected to IP 67 per IEC 60529
– DIP switches for address setting
IP switches for bus termination
–
LED for operating state indicator
–
Notch on upper housing side marks start of measuring range
Micropulse transducer
Fig. 2-1: Basic configuration
2.2

Function

The transducer contains a wave-
guide enclosed by an extruded alu-
minum housing. A magnet attached
to the moving member of the ma-
chine is moved across the top of
the housing and its position con-
stantly updated.
The magnet defines the measured
position on the waveguide. An inter-
nally generated INIT pulse interacts
with the magnetic field of the mag-
net to generate a magnetostrictive
torsional wave in the waveguide
which propagates at ultrasonic
speed.
The torsional wave arriving at the
end of the waveguide is absorbed in
the damping zone. The wave arriv-
ing at the beginning of the wave-
guide creates an electrical signal in
the coil surrounding the waveguide.
Nominal stroke =
Measuring range
Moving
member
Current magnet
position
Machine
The propagation time of the wave
is used to determine the position
to a resolution of 5 µm. This takes
place with high precision and re-
peatability at the selected resolu-
tion within the measuring range
indicated as the nominal stroke
length.
On both ends of the nominal
stroke length is an area which pro-
vides an unreliable signal, but
which may be entered.
The electrical connection between
the transducer, the processor/con-
troller and the power supply is via a
cable, which depending on the
version is either fixed or con-
nected using a female connector.
Dimensions for installing the
Micropulse transducer and for the
magnets and control arm are found
on ➥ ➥ ➥ ➥ ➥ pages 4 to 6.
english
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