Operating instructions

Operation Planning

4-28

SICLOCK

TC400

Use in residential areas and operation in the public network

If you operate the SICLOCK TC400 in residential areas or

in the public network,

you must ensure that it complies with the limit class B according to EN 55022 with

regard to the emission of radio interference.

The following measures are recommended to ensure the interference complies

with limit class B:

• Installation of the SICLOCK TC400 in grounded control cabinets / control

boxes

• Use of filters in electrical supply lines

Use with additional measures

Applications where the use of the SICLOCK TC400 or

similar device requires

additional measures:

• Locations with a high percentage of ionizing radiation

• Locations with extreme operating conditions, such as

− dust accumulation

− corrosive vapors or gases

− strong electric or magnetic fields

− damp and wet rooms

− strong oscillations, shocks, vibrations

− strong radiant heat

• In systems, which require special monitoring, such as

− elevators

− electrical plants in potentially hazardous areas

An additional measure, for example, would be to install the SICLOCK TC400 in a

cabinet or housing.

Note

This is a a class A device. The device may cause RF interference in residential

areas or in the public network. In this case, the operator company may be held

liable for taking appropriate measures.