WPC4 services manual - 第51页
Replacing Spare Parts Replacing the Feed Axis Limit Switch o n Tower Side [03047276-xx] Limit Switches, Sensors and Light Barriers Service Manual SIPLACE WPC4 51 3.6.7 Replacing the Feed Axis Limit Switch on T ower Side …

Replacing Spare Parts
Limit Switches, Sensors and Light Barriers Replacing the Feed Axis Limit Switch on Transfer Side [03047277-xx]
50 Service Manual SIPLACE WPC4
3.6.6 Replacing the Feed Axis Limit Switch on Transfer Side [03047277-xx]
Removal/installation
The two screws fastening the limit switch are not easy to access. You therefore need to remove the
installation plate.
X Mark the exact position of the limit switch and of the installation plate.
X Loosen the screw sealed with locking varnish (1) on the installation plate.
X Loosen the cable clamps and remove the cable ties.
X Unthread the connection cable as far as the control unit back plane and unplug it from the terminal
strip.
X Dismantle the limit switch with fixture plate (4) from the installation plate.
X Fit the new limit switch with fixture plate (4) onto the installation plate.
X Fit the limit switch and installation plate at the marked installation position.
X Restore the electrical connection and fix the connection cable into place.
Settings
X Check the function and correct position of the limit switch. The limit switch must switch when the
edge of the catch moves over the switch (end position).
X To do this, open the SITEST main view and select the function=>
SITEST Settings
.
X In the input area
Axis,
select the radio button
Feed axis
.
X In the input area
Travel range
select the button
Limit switch -
.
The feed axis will be moved so that the catch moves over the limit switch. The limit (end position)
will be calculated.
In the SITEST main view, function=>
SITEST inputs/outputs 1,
the display
Feed axis limit switch
on transfer side
will be activated.
A dialog box will open and the calculated value will be shown. The permissible limits (minimum/
maximum position) will also be shown. The end position must be within these limits.
X Check the permissible limits against the value actually measured.
X If necessary, correct the mechanical position of the limit switch with the help of the slot (2) and repeat
the measurement procedure.
X If the value is within the permissible limits, save the data by clicking on
Accept
.
X Seal the two mounting bracket fastening screws with locking varnish.
1. Installation plate fixtures
2. Installation plate with slot
3. Limit switch releaser
4. Fixture plate
Spare part
Limit switch, feed axis, motor side
[030472777-01]

Replacing Spare Parts
Replacing the Feed Axis Limit Switch on Tower Side [03047276-xx] Limit Switches, Sensors and Light Barriers
Service Manual SIPLACE WPC4
51
3.6.7 Replacing the Feed Axis Limit Switch on Tower Side [03047276-xx]
Settings
X Check the function and correct position of the limit switch. The limit switch must switch when the
edge of the catch (4) moves over the switch (end position).
X To do this, open the SITEST main view and select the function=>
SITEST Settings
.
X In the input area
Axis,
select the button
Feed axis
.
X In the input area
Travel range
select the button
Limit switch +
.
The feed axis will be moved so that the catch moves over the limit switch. The limit (end position)
will be calculated.
In the SITEST main view, function=>
SITEST inputs/outputs 1,
the display
Feed axis limit switch
on tower side
will be activated.
A dialog box will open and the calculated value will be shown. The permissible limits (minimum/
maximum position) will also be shown. The end position must be within these limits.
X Check the permissible limits against the value actually measured.
Spare part
Limit switch, feed axis, operator side
[03047276-01]
Overview
1. Reference sensor, feed axis
2. Feed axis limit switch on tower side
3. WPTC lock sensor closed
4. Ferrite core for EMC interference suppression
at feed axis reference sensor
X Mark the exact position of the limit switch on
the mounting bracket (3).
X Loosen the two fastening screws (1) on the
limit switch.
X Remove the fixture plate (2).
X Loosen the cable clamps and remove the
cable ties.
X Unthread the connection cable as far as the
control unit back plane and unplug it from the
terminal strip.
X Fit the new limit switch with fixture plate (2) at
the marked installation position.
X Align the limit switch parallel to the mounting
bracket .
X Restore the electrical connection and fix the
connection cable into place with new cable
ties.
Replacing Spare Parts
Limit Switches, Sensors and Light Barriers Replacing the Feed Axis Limit Switch on Tower Side [03047276-xx]
52 Service Manual SIPLACE WPC4
X If necessary, correct the mechanical position of the limit switch and repeat the measurement
procedure.
X If the value is within the permissible limits, save the data by clicking on
Accept
.
X Seal the two mounting bracket fastening screws with locking varnish.