Installation and EMC guidelines
1.6 Low-voltage directive
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
17
The products listed in the table below fulfill the requirements of EU directive 2006/95/EC,
"Low-voltage Directive". Compliance with this EC directive was tested in accordance with
DIN 61131-2 (corresponds to IEC 61131-2).
The following components are also affected in SIMATIC TDC:
PS5213 6DD 1683-0CH0
UR6021 6DD 1682-0CH3
These components are compliant with requirements of the Low-voltage Directive.
In accordance with the Machinery Directive 2006/42/EC, it must be ensured that a failure or
malfunction of SIMATIC TDC will not trigger a hazardous state of the machine/plant. This
must always be taken into account when configuring the machine/system.
The system may not be commissioned until it has been proven that the final product is in
compliance with the directive.
Only expert personnel may configure, commission, service and operate SIMATIC TDC.
Input of external voltages
An external voltage source (e.g. pulse encoder) that is connected to SIMATIC TDC module
inputs must be shut down simultaneously with the shutdown or failure of the SIMATIC TDC
power supply.
SIMATIC TDC components are considered open equipment that must be installed in metallic
enclosures containing shielding and equipotential busbars in compliance with the
requirements of IEC 61131-2 (11.1.2; mechanical strength, flame resistance, stability and
shock protection are significant here).
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