Siemens CP 243-1 Operating Instructions Manual page 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,
● When the rack installed vertically, the maximum permissible ambient temperature drops
● The installation depth is 75 mm.
Distance for correct
Figure 2-1
CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
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.
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.
Note
Set up your devices so that there is still enough space to wire the inputs and outputs and
to connect the communication cables.
2 5 m m
S 7-200
heat dissipation
2 5 m m
Space requirements for installation
C P 243-1
Front view
Installation and commissioning
2.2 Installation and electrical connections
C P 243-1
Front
covering
7 5 m m
S ide view
Installation
surface
47