SMAR DC302, Owner'S Operation And Maintenance Manual

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Section 1
1.1
INSTALLATION
General
The overall accuracy of measurement and control depends on several variables. Although the
Fieldbus Remote I/O has an outstanding performance, proper installation is essential, in order to
maximize its performance.
Among all factors, which may affect the accuracy, environmental conditions are the most difficult to
control. There are, however, ways of reducing the effects of temperature, humidity and vibration.
Locating the Fieldbus Remote I/O in areas protected from extreme environmental changes can
improve its performance.
In warm environments, the Fieldbus Remote I/O should be installed to avoid, as much as possible,
direct exposure to the sun. Installation close to lines and vessels subjected to high temperatures
should also be avoided.
Use of sunshades or heat shields to protect the Fieldbus Remote I/O from external heat sources
should be considered, if necessary.
Humidity is fatal to electronic circuits. In areas subjected to high relative humidity, the protection
cover must be provided.
For details of mounting, please, refer to Figure 1.1 and Figure 1.2
Mounting
Use DIN rail (TS35-DIN EN 50022 or TS32-DIN EN50035 or TS15 DIN EN50045), as shown in
Figure 1.1
– Mechanical Mounting. The DC302 can optionally be supplied preinstalled in an
enclosure ready for field mounting.
Lock
DIN
Rail
Figure 1.1- Mechanical Mounting