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Service Work 3.6.21 Replacing the Ultras onic Sensor PXS240 [03069863- xx] Conv eyor Service Manual SIPLACE SX4/DX4 127 3.6.21 3 . 6 . 2 1 R e p la c in g t h e U lt r a s o n ic S e n s o r P X S 2 4 0 [ 0 3 0 6 9 8 6 3…
Service Work
Conveyor 3.6.20 Replacing the Stopper [03084034-xx]
126 Service Manual SIPLACE SX4/DX4
Installation
► Follow the removal instructions in reverse order for installation. Also observe the following instruc-
tions:
See also
3.6.1 Loosening the Conveyor Side Clamps [ ➙ 95]
CAUTION
Installation instructions
► Make sure that the cable is run correctly and does not rub against any parts.
► During fitting, make sure that the angle plate is flush against the side of the sensor rail base
unit.
► Make sure that the distance between the stoppers is correct: 304+/-0.5 mm.
Service Work
3.6.21 Replacing the Ultrasonic Sensor PXS240 [03069863-xx] Conveyor
Service Manual SIPLACE SX4/DX4 127
3.6.21
3.6.21 Replacing the Ultrasonic Sensor PXS240 [03069863-xx]
Replacing the Ultrasonic Sensor PXS240 [03069863-xx]
All ultrasonic sensors used can be disconnected for replacement and dismantled.
Parts, equipment and tools
▪ Programming cable for PXS240 [03073330-xx]
▪ Sonar sensor UB100-F77 [03089004Sxx] (compatible)
Incl. 2x "Press-in thread insert M2" [03088352-xx]
(replaces: old: sonar sensor PXS240 [03069863-xx])
▪ Setting gauge for ultrasonic sensors [03076989-xx]
▪ Loctite 401 [00805104-xx], if required
Overview
1. Conversion board
2. Ultrasonic sensors (3x)
Access to the ultrasonic sensors depends on the in-
stallation position. If the sensors are not directly ac-
cessible, you may need to remove the conversion
board.
3. Solenoid valves (2x)
4. Stoppers (2x)
Sonar sensor on the stopper positions:
1. Sonar sensor
2. Sensor rail fixture bracket
3. Fastening screws ISO4762–M2x16-A2-70
[03042529-xx] with washers DIN125-A2.2-140HV-A2
[00301541-xx].
4. Press-in nut
Service Work
Conveyor 3.6.21 Replacing the Ultrasonic Sensor PXS240 [03069863-xx]
128 Service Manual SIPLACE SX4/DX4
Removal
► Use the software to move the conveyor sides into the position which allows you best access. As an
alternative, you can loosen the clamps for the relevant sides in dual conveyors.
► Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 12].
► Dismantle the cover plate on the sensor rail.
If you need to replace the ultrasonic sensor behind the conversion board, perform the steps described
below:
► Remove a different, functional ultrasonic sensor from the rail by following the instructions above.
(You can then fit the new ultrasonic sensor in its place.)
► Fit this ultrasonic sensor in the position behind the conversion board and reestablish all connections
to the ultrasonic sensor.
► Fit the conversion board and reestablish all connections to it.
Background: the ultrasonic sensor behind the conversion board is not easily accessible for any teaching
procedures which may be required. This exchange of sensors means that this ultrasonic sonar does not
need to be taught.
► If needed, the sensor rail can be removed to allow
better access. Simply loosen the two screws (1) on
the ends of both shafts.
► If you need to replace the ultrasonic sensor behind
the conversion board, dismantle it first. Unplug all
connections. You may want to mark the positions, to
make clear assignment easier later on.
► Loosen the screws (1) fastening the ultrasonic sen-
sors.
► Unscrew the press-fit connection (2) from the ultra-
sonic sensor and remove the ultrasonic sensor from
the machine.