Mounting and wiring
CX8050, CX8051 - Embedded-PCs for
CANopen and CAN
19
Version: 1.4
5
Mounting and wiring
5.1
Mounting
CAUTION
Application in potentially explosive atmospheres
The Embedded PC must be fitted with a suitable housing and suitable cables for use in po-
tentially explosive atmospheres.
In potentially explosive atmospheres, the Embedded PC must always be installed in a
housing with the correct protection class, and suitable cables must be used.
Install the Embedded PC in a housing or a control cabinet, if it is to be used in potentially explosive
atmospheres.
Table 2: Embedded PC installation, requirements for housing in potentially explosive atmospheres.
Ex area
Flammable substance
Protection class
Zone 2
Gas
IP 54, according to EN 60079-15
Zone 22
dust, non-conductive
IP 54, according to EN 60079-31
dust, conductive
IP 6x, according to EN 60079-31
Observe the temperature at the cable entry points into the housing. If the temperature during nominal
operation is higher than 70 °C at the entry points or higher than 80 °C at the wire branching points, cables
that are designed for these higher temperatures and Ex operation must be used.
5.1.1
Dimensions
The following drawings show the dimensions of the CX80xx Embedded PCs.
Dimensions
Drawings in various CAD formats can be found at:
http://www.beckhoff.de/german/download/cx1000.htm
5.1.2
Installation on mounting rails
Snapping onto the mounting rail
The CX80xx can simply be snapped onto the mounting rail. To this end simply position the block on the
mounting rail and push it slightly until it engages on the right-hand side. The is indicated by a distinct click.
Use a screwdriver to push up the lock on the left-hand side, thereby turning it and causing it to engage
audibly.
Summary of Contents for CX8050
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