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General technical specifications
1.1 Installation and EMC guidelines
1.1.12.2
Installation variants
1)
Frame / panel
For installation variants 1) and 2), it is presumed that there is a clearance of at least one
meter between the top of the control cabinet and the building's ceiling.
1.1.12.3
Air intake temperature
The maximum air intake temperature on the SIMATIC TDC may not be exceeded. The
following limits are valid, depending on the "shutdown mode" switch setting on the rack.
Shutdown mode
ONE
Shutdown on fan failure
TWO
Shutdown on failure of
two fans
28
2)
Control cabinet (open) with
open-circuit ventilation
Air vents > 600 cm²
Maximum air intake temperature up to 2000 m above sea level
60° Centigrade
35° Centigrade
3)
Cabinet (closed) with
intrinsic convection and
forced convection
System Manual, 12/2013, A5E01114865-07
4)
Closed cabinet with
heat exchanger
SIMATIC TDC hardware
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