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Power supply
7.5 Building DC voltage supply
Default topology
Only the SIDOOR controller may be connected to the incoming power supply; additional
consumers are not allowed. The spatial expanse of the used power supply circuit must be less
than 30m.
Requirements for the supplying mains
The supplied alternating current mains may have a maximum overvoltage category 2 according
to EN 61010-2-201, NFPA environment UL60101-2-201: 1st Edition 2014.
EMC
Immunity according to EN 61000-6-2:2005, Table 3, Table 3 – Interference immunity – direct
current network inputs and outputs.
Conducted interference emission is not defined for direct current supply according to EN
61000-6-4:2007+A1:2011. If the limits of the 61000-6-4: 2007+A1:2011, Table 2 (Emission –
Low voltage AC mains port) are applied, an appropriate filter must be connected upstream.
Without filters, these limits are exceeded by up to 12dBµV in the range of 150KHz ... 4.6MHz.
The limits can be maintained with an upstream B84112-B-B110 filter, for example, from the
company EPCOS. The cable length between ATD4xxW and the filter must be kept as short as
possible, less than 0.5m. The filter and the ATD4xxW need to be electrically connected over a
common flat metallic structure.
7.5.2
Installation
A miniature circuit breaker (type SIEMENS: 5SY4108-7 or 5SY4108-7KK11) is mandatory at a
direct voltage supply by the customer (for example SITOP PSU300S 20A).
Install the miniature circuit breaker in the vicinity of the SIDOOR controller (similar ambient air
1
temperature).
266
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA
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