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18
33003405 07/2007
Minimum clearance between the remote output devices and Safety PLCs:
On open mounting surfaces, observing the minimum clearance and ensuring
unobstructed air circulation will help maintain the optimum operating temperature.
Heat The increasing integration of electronic components into smaller parts results in
large amounts of heat dissipation on a small surface area. The amount of heat
produced depends on the device's external load. Depending on the design of the
device, installation, design location, air circulation, and environmental conditions
make a very significant impact on the product’s operating temperature.
It is important to comply with the approved environmental conditions when installing
the device. Reduced operating temperature extends the life of the device and
reliability of the installed components.
If the XPSMF2DO801 requires an additional enclosure to increase the ingress
protection, the enclosure case must be designed in such a way that the heat
generated inside it can dissipate from the surface of the enclosure. The type of
enclosure and location of installation selected must easily allow heat dissipation. If
possible, a fan should be used to ensure air circulation.
No. Description
1 Installation with spacers: the cable ducts’ height is greater than 40 mm / 1,57 in.;
the vertical separation increases.
2 The XPSMF2DO801 safety remote output device is mounted vertically.
Note: Additional means are required to ensure that the remote output device does
not slide downwards while operating; any movement may cause strain on the
wiring.
Note: An additional enclosure can be used to increase the ingress protection of the
XPSMF2DO801 safety remote output device.