Maintenance; Cleaning; Service Life; Shutting Down - Beckhoff EL2904 Operating Instructions Manual

4.5 Maintenance

The TwinSAFE terminals are maintenance-free!
Observe the specified environmental conditions!
Please ensure that the TwinSAFE terminals are only stored and operated under the
WARNING
specified conditions (see technical data).
If the terminal is operated outside the permitted temperature range it will switch to Global Fault state.

4.5.1 Cleaning

Protect the TwinSAFE terminal from unacceptable soling during operation and storage!
If the TwinSAFE Bus Terminals were subjected to unacceptable soiling they may no longer be operated!
Have soiled terminals checked!
Cleaning of the TwinSAFE terminal by the user is not permitted!
WARNING
Please send soiled terminals to the manufacturer for inspection and cleaning!

4.6 Service life

The TwinSAFE terminals are designed for a service life of 20 years.
Due to the high diagnostic coverage within the lifecycle no special proof tests are required.

4.6.1 Shutting down

Serious risk of injury!
Bring the bus system into a safe, de-energized state before starting disassembly of the
DANGER
Bus Terminals!

4.6.2 Disposal

In order to dispose of the device, it must be removed and fully dismantled.

Housing components (polycarbonate, polyamide (PA6.6)) are suitable for plastic recycling.

Metal parts can be sent for metal recycling.

Electronic parts such as disk drives and circuit boards must be disposed of in accordance with
national electronics scrap regulations.
EL2904
Operation
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