Burkert Type 8791 User Manual
Page 7

7
Basic safety instructions
General hazardous situations.
To prevent injury, ensure that:
• In the potentially explosion-risk area the positioner Type 8791 may
be used only according to the specification on the separate Ex type
label. For use observe the additional information enclosed with the
device together with safety instructions for the explosion-risk area.
• Devices without a separate Ex type label may not be used in a
potentially explosive area.
• That the system cannot be activated unintentionally.
• Installation and repair work may be carried out by authorized
technicians only and with the appropriate tools.
• After an interruption in the power supply or pneumatic supply,
ensure that the process is restarted in a defined or controlled
manner.
• The device may be operated only when in perfect condition and
in consideration of the operating instructions.
• The general rules of technology apply to application planning
and operation of the device.
To prevent damage to property of the device, ensure:
• Do not supply the supply pressure connection of the system with
aggressive or flammable mediums.
• Do not supply the supply pressure connection with any liquids.
• Do not put any loads on the housing (e.g. by placing objects on
it or standing on it).
• Do not make any external modifications to the device housings.
Do not paint the housing parts or screws.
noTe!
electrostatic sensitive components / modules!
The device contains electronic components which react sensitively
to electrostatic discharge (ESD). Contact with electrostatically
charged persons or objects is hazardous to these components. In
the worst case scenario, they will be destroyed immediately or will
fail after start-up.
• Observe the requirements in accordance with EN 61340-5-1
and 5-2 to minimise or avoid the possibility of damage caused
by sudden electrostatic discharge!
• Also ensure that you do not touch electronic components when
the power supply voltage is present!
The positioner Type 8791 was developed with due consider-
ation given to the accepted safety rules and are state-of-the-
art. Nevertheless, dangerous situations may occur.
Failure to observe this operating manual and its operating
instructions as well as unauthorized tampering with the device
release us from any liability and also invalidate the warranty
covering the devices and accessories!
english
Type 8791