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1.1.11
Protective ground
Protective ground is bonded to the cabinets or components via PE conductor. The
equipotential bonding does not provide a PE function in SIMATIC TDC. It is required in
SIMATIC TDC for safe operation and as interference suppression measure.
The protective conductor must be routed and dimensioned in accordance with IEC 61131-2.
1.1.12
Power losses in the control cabinet
1.1.12.1
Overview
The dissipation capability of a cabinet and therefore the air intake temperature of the rack
depends on the type of cabinet, on the ambient temperatures and on the internal
arrangement of the devices.
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
General technical specifications
1.1 Installation and EMC guidelines
27
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