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1.3.2
Electrical protection and safety requirements
Safety regulations
Protection class
Protection against the ingress of foreign
particles and water
1.3.3
External supply of the SIMATIC TDC modules (digital outputs)
Safety extra-low voltage (SELV circuit) to IEC 61131-2.
1.3.4
Mechanical requirements
Rated conditions to IEC 60721
Operation
Transport/storage
1.3.5
Electromagnetic requirements (industry)
Interference emission
Immunity to interference
NOTICE
Using two-way radios and mobile telephones
The use of two-way radios and mobile phones in the immediate range of SIMATIC TDC can
influence the operation of the device.
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
IEC 61131-2
Protection class I (with PE/ground conductor)
IP 20
IEC 60721, Part 3-3, stationary use, weather protected
IEC 60721, Part 3-2 Transport
EN 61000-6-4 : 2007 + A1:2011
EN 61000-6-2 : 2005
General technical specifications
1.3 Environmental conditions
37
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