DANGER: Dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected.
DANGER: Non-observance can result in death, personal injury or substantial property damage.
DANGER: National and local electrical safety regulations must always be followed.
DANGER: This product is not fault-tolerant and is not designed, manufactured or intended for use or resale as on-line control equipment or as part of such equipment in any hazardous environment requiring fail-safe performance, such as in the operation of nuclear facilities, aircraft navigation or communication systems, air traffic control, direct life support machines, or weapons systems, in which the failure of the hardware or software described in this manual could lead directly to death, personal injury, or severe physical or environmental damage.
CAUTION: To prevent damage both the product and any terminal devices must always be switched off before connecting or disconnecting any cables. It should be ascertained that different devices used have the same ground potential. The output voltage of the power supply should be checked before connecting any power cables.
CAUTION: The devices mentioned in this manual are to be used only according to the instructions described in this manual. Faultless and safe operation of the devices can be guaranteed only if the transport, storage, operation and handling of the devices is appropriate. This also applies to the maintenance of the products.