Re
S.p.A.
US3
Rev.12/04/11
15/23
Detailed description of the functions
Outside programming, the green LED flashes to indicate that the device is operating normally.
To access
the programming menu, hold down ENTER for several seconds
. The green LED will stop flashing and
remain lit together with the LED on the LED bar corresponding to function F1.
Nominal values
are:
Regulated diametrical output:
set on Volt
Distance from the axis:
1,8 meters
Distance from the maximum diameter:
15 cm
1
st
alarm distance:
1,6 meters
2
nd
alarm distance:
1,7 meters
Inversion of the regulated diametrical output: disabled
Led bar:
set to display the level of the proportional diametrical
output
Instrument serial identification:
0 (changeable only using Personal Computer).
See
Calibration
section
to carry out the first calibration after sensor purchase.
F1 - Regulated output type selection (Volt o mA)
The red LED shows the current value of the function:
-
if the red LED is lit the type of output is mA
-
if the red LED is off the type of output is Volts
Press
SET
key to set the desired value.
To select following function press
ENTER
key.
F2 - Minimum distance calibration (maximum diameter)
Important
: Before calibrating, make sure that there are no objects other than the target in the
sensor’s action cone.
Lab calibration
(sensor not installed in its own working position): position a stiff target (ex.
cardboard) in front of the sensor. The distance between target and the capsule has to be the same
one which is between sensor and maximum diameter reel once sensor is installed in its own working
position (see diagram on page 13).
Field calibration
(sensor installed in its own working place): position maximum diameter reel in front
of the sensor (see diagram on page 12).
The red LED indicates the presence of the target:
-
if the red LED is off the target is present and calibration can be performed correctly
-
if the red LED is flashing the target is not detected and calibration is impossible
To calibrate, make sure that the red LED remains constantly off then press
SET
; if calibration has
been performed the red LED flashes twice.
To select following function press
ENTER
key.
Summary of Contents for US3
Page 1: ...ENG US3 Ultrasonic sensor USER S MANUAL...
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Page 24: ...Re S p A US3 Rev 12 04 11 21 23 Mechanical dimensions...
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