935 Dieckman St.
Woodstock, IL 60098
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analog ultrasonic sensor is mounted in a PVC
barrel housing and is completely self contained.
It is powered by 20-30 VDC and is reverse polarity
protected. It also has a narrow beam angle which
enables it to get into tight places. A flat target
can tilt up to 10 degrees and still be detected.
The RPS-401A-80P has 2 short circuit protected
analog outputs, 4-20mA and 0-10 VDC. These outputs
can easily be inverted and can be scaled over
almost any range by means of adjusting the zero
(P1) and span control (P2). The (P1) potentiometer
must be adjusted first. Both analog outputs can be
used at the same time.
purposes an LED strength indicator is provided.
This LED is Green when not detecting and changes
to a bright Red as a target moves into place
depending on how much reflected signal is coming
back from the target. The frequency of operation
for the RPS-401A-80P is 140kHz. The RPS-401A-80P
is constructed of PVC. The barrel measures 30mm x
105mm. A standard 6' cable is provided.
10" - 19" 80" Range
0v - 10 v
4 mA - 20 mA
8" - 80" 80" Range
0v - 10v
4mA - 20mA
8" - 80" 80" Range
10v - 0v
20mA - 4mA
sensing in the Minimum sensing configuration
means detecting an object over a 9" range with
the RPS-401A-80P. This 9" span can be adjusted
to occur over any part of the sensors range.
For example it could be adjusted to occur from
8" to 17" or 25" to 34". This is done by means
of the two potentiometers on the sen-sor. This
sensor has a 8:1 adjustment ratio on its
analog output, meaning that the RPS-401A-80P
has a maximum span of 72" (range 8" to 80").
The analog output can also be adjusted
any-where between the 8" and 80" range. These
adjustments are made by the two potentiometers
on the sensor. With no more than two
adjustments of each potentiometer the desired
span will be achieved.
sensing in the Maximum ranging configuration
means detecting an object over an 8" to 80"
range with the RPS-401A-80P. This 72" span
goes from the sensors minimum sensing distance
of 8" to its maximum sensing distance of 80".
The adjustment procedure is the same as
described in the minimum analog ranging
section. The RPS-401A-80P in the maximum
ranging configuration detects an object over a
72" range. This span goes from the sensors
min-imum sensing distance of 8" to its maximum
sensing distance of 80". This sensor also has
a 8:1 adjustment ratio on its analog output so
its minimum analog ranging capability is a
span of 9". These adjustments are made by the
two potentiometers on the sensor.
RPS-401A-80P has the ability to invert its
analog outputs, meaning that the current or
voltage will decrease as distance from the
increases. For the current output to be
inverted the voltage output needs to be tied
to the positive of the supply voltage of the
sensor. This then will invert the current
output to 20mA - 4mA. To make the voltage
output inverted 10v - Ov the current output
needs to be tied to the positive of the supply
voltage. In the standard mode of operation
(non-inverted) P1 adjusts the near point 4mA (Ov)
and P2 adjusts the far point 20mA (10v). In
the inverted mode of operation P1 adjusts the
near point 20mA (10v) and P2 adjusts the far
point 4mA (Ov). Always adjust the (P1)
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