4
2 Safety instructions
● Read this document before setting up the product and keep it during the entire
service life�
● The product must be suitable for the corresponding applications and
environmental conditions without any restrictions�
● Only use the product for its intended purpose (→ Functions and features).
● If the operating instructions or the technical data are not adhered to, personal
injury and/or damage to property may occur�
● The manufacturer assumes no liability or warranty for any consequences
caused by tampering with the product or incorrect use by the operator�
● Installation, electrical connection, set-up, operation and maintenance of the
product must be carried out by qualified personnel authorised by the machine
operator�
● Protect units and cables against damage�
● The design of the unit corresponds to protection class III (EN61010) except for
the terminal blocks� Protection against accidental contact (safety from finger
contact to IP 20) for qualified personnel is only ensured if the terminals have
been completely inserted� Therefore the unit must always be mounted in a
control cabinet of at least IP 54 which can only be opened using a tool�
● For DC units the external 24 V DC supply must be generated and supplied
according to the requirements for safe extra-low voltage (SELV) since this
voltage is provided near the operating elements and at the terminals for the
supply of sensors without further protection measures�
3 Documentation
This documentation relates to the hardware and firmware status at the time of
editing this manual� The features of the devices are continuously developed further
and improved�
4 Functions and features
The devices have been designed for use in applications described in this manual
and the device-specific data sheets�
Adhere to the data indicated in the data sheets and in the manual� If the handling
specifications and safety instructions for configuration, installation and operation
indicated in the documentation are adhered to, the devices normally do not lead to
a danger for persons and objects�