Installation and commissioning
2.2 Installation and electrical connections
CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
47
Space requirements for installation
When installing your module, keep to the following guidelines:
● The CP 243-1 is designed for natural heat dissipation by convection. For this reason,
leave a clearance of at least 25 mm above and below the device to allow heat to escape.
Long operating times at maximum ambient temperatures and maximum loads will shorten
the lifespan of the electrical components of the device.
● When the rack installed vertically, the maximum permissible ambient temperature drops
by 10 °C. The CP 243-1 must be positioned above the CPU. If you are using a vertical
standard DIN rail, you should use standard DIN rail stoppers to prevent the module from
slipping.
● The installation depth is 75 mm.
Note
Set up your devices so that there is still enough space to wire the inputs and outputs and
to connect the communication cables.
75 mm
CP 243-1
Front
covering
Installation
surface
S ide view
CP 243-1
25 mm
25 mm
Front view
S7-200
Distance for correct
heat dissipation
Figure 2-1 Space requirements for installation
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