SKF ST User Manual

Technical Instructions
ST Desk Switch 531E, 2955/0.99 - 1 -
Compliance with the Technical
Instructions
The unit must only by personnel who are fully conversant with
these Technical Instructions and in accordance with the directions
contained therein. The unit must only be used as described and
should only be installed and connected by qualified technical
personnel.
Liability for Function or Damage
In every case, the owner or operator of the unit shall be liable for
its function if the unit has been incorrectly maintained or repaired
by persons who are not employed by the Magnetic Service
Department or if it has not been handled in accordance with its
specified application.
Magnetic Aktiengesellschaft shall not be liable for any damage
resulting from failure to observe these instructions. These
Instructions shall not be regarded as an extension of the warranty
and liability terms set out in the Conditions of Sale and Supply
applied by Magnetic Aktiengesellschaft.
The product is not subject to the labelling obligations defined in CE
or EMC Directives. The requisite EMC procedures must be applied
to the end product – with reference to the conditions of installation,
wiring and control – by the manufacturer of the end product and
they must be verified in accordance with the intended application.
The manufacturer of the machine or system shall be responsible
for compliance with these instructions.
Intended Applications
The desk switch is used to operate one, two or a maximum of
three linear actuators.
One control panel for each actuator is mounted on the front panel
of the desk switch. This panel consists of two pushbuttons
arranged side by side.
The symbols for the functions for adjusting the individual
components of the unit are printed onto the front panel.
Depending on the version, the desk switches can be used in
conjunction with the following products:
Control units: KOM1-4
SEM1
Actuators: MAX64
MAX62
TXG
Accessories: SPP
ZVB
Product Package
The desk switch consists of
•
the desk switch and
•
the connecting cable
The straight version is also supplied with a wiring diagram.
Function
The actuator is set in motion by pressing one of the push buttons.
It continues to operate until the button is released.
The direction of rotation, i.e. retraction or extension of the actuator,
is selected by pressing the appropriate button.
Safety Instructions
These units must not be operated in potentially explosive
environments.
The desk switch is manufactured to comply with the IPX0
degree of protection and, for this reason, it must not be
exposed to moisture.
The desk switch is only approved for indoor use.
Installation
The desk switch must be attached using the four mounting holes
provided (refer to 530D, 2950/55). The connections must be in
accordance with Drawing No. 149305.
All the cables must be secured in such a way that no
force is exerted on the connectors on the desk switch.
If the connectors and cables are forcibly removed, the
desk switch could be irreparably damaged.
The desk switch can be installed in any position.
Connections
The desk switch cable is connected to the appropriate control unit,
to the locking device enclosure on the distribution box or directly to
the actuator.
Refer to the Technical Instructions for the equipment concerned
before connecting the desk switch.
Control Units
Control Units for Memory-based
Operation
Memory principle
Antriebssteuerung
Position 1 (1)
Position 2 (2)
Position 3 (3)
Speichertasten (Memory)
Fig. 1
Memory principle

SKF ST Specifications

General

Brand	SKF
Model	ST
Category	Switch
Language	English