Leuze electronic GmbH + Co. KG
In der Braike 1 D-73277 Owen Tel. +49 (0) 7021 573-0
AKS 171.2… - 01
[email protected] • www.leuze.com
Mounting / exchange
Removal / exchange
When replacing defective devices, the photoelectric sensors should be replaced in
pairs
(trans receiver) for optimum func-
tion. Any previously present AKS171 or AKS171.1 systems can be converted to the AKS171.2 without problem.
1.
Remove cable plug on transmitter and receiver.
2.
Mechanically dismount trans receiver, noting on which side the transmitter and receiver are mounted while doing so.
Mounting
1.
Screw sensors to the machine with the same orientation (e.g., each connector plug facing downward and at the same height
(flush)).
2.
The distance between chute edge and the middle of the light-band (lens middle) should be approx. 20 mm (reference value,
dependent on external conditions such as glossy objects, etc.)
1)
.
3.
The holder or frame that holds the holder must be sufficiently sturdy
2)
.
4.
Reflective surfaces that are parallel to the light-band should be avoided.
5.
The upper edge of the chute must be located within the detection range of the sensor (light-band) (lower edges of the lens below
the upper edge of the chute).
3)
6.
Electrically connect transmitter and receiver. Mount cable plugs and tighten coupling rings.
Note the different wiring of transmitter and receiver.
Preparations
First, transmitter and receiver must be roughly aligned by sight, with the optics facing one another. The rotary axes mentioned in
the following description are defined as follows (using the example of the transmitter, receiver accordingly):
1) An insufficient distance to the chute or other objects may, due to reflections, make it impossible for the the sensor to be correctly aligned in the next step or for
small parts to be reliably detected later on. A distance that is too large increases the probability that slowly incoming parts will fall between the ramp edge and
the sensor detection range.
2) Prerequisite for proper function is that the transmitter and receiver cannot move relative to one another, even in the event of strong physical shocks.
3) If a sensor is mounted too high, the objects that are to be detected may fall below the detection range; if a sensor is mounted too low, parts could jump out of
the detection range.
Ⓓ
Ⓒ
Ⓑ
Ⓐ
Ⓐ
Chute
Ⓑ
IR light-band (invisible)
Ⓒ
Lower edge of chute
Ⓓ
Flush
Ⓐ
Rotation about the X-axis
Ⓑ
Rotation about the Y-axis
Ⓒ
Rotation about the Z-axis
Ⓒ
Ⓑ
Ⓐ
AKS 171.2
Ejection monitoring
