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1.2 SAFETY CONSIDERATIONS
This device is marked with the
international caution symbol
. It is
important to
read
this manual before installing or commissioning this device as it contains
important information relating to
Safety and EMC
(Electromagnetic Compatibility).
This instrument is a
panel mount
device protected in accordance with EN 61010-
1:2001, electrical safety requirements for electrical equipment for measurement, con-
trol and laboratory. Installation of this instrument should be done by qualified person-
nel. In order to ensure safe operation, the following instructions should be followed.
This instrument has
no power-on switch
. An external
switch or circuit-breaker
shall
be included in the building installation as a disconnecting device. It shall be marked to
indicate this function, and it shall be in close proximity to the equipment within easy
reach of the operator. The switch or circuit-breaker shall not interrupt the Protective
Conductor (Earth wire), and it shall meet the relevant requirements of IEC 947–1 and
IEC 947-3 (International Electrotechnical Commission). The switch shall not be incor-
porated in the main supply cord.
Furthermore, to provide protection against
excessive energy
being drawn from the
main supply in case of a fault in the equipment, an
overcurrent
protection device shall
be installed.
•
Do not exceed voltage rating on the label located on the top of the instrument
housing.
•
Always disconnect power before changing signal and power connections.
•
Do not use this instrument on a work bench without its case for safety reasons.
•
Do not operate this instrument in flammable or explosive atmospheres.
•
Do not expose this instrument to rain or moisture.
•
Unit mounting should allow for adequate ventilation to ensure instrument does not
exceed operating temperature rating.
•
Use electrical wires with adequate size to handle mechanical strain and power
requirements. Install without exposing bare wire outside the connector to minimize
electrical shock hazards.
EMC Considerations
•
Whenever EMC is an issue, always use shielded cables.
•
Never run signal and power wires in the same conduit.
•
Use signal wire connections with twisted-pair cables.
•
Install Ferrite Bead(s) on signal wires close to the instrument if EMC problems
persist.
Failure to follow all instructions and warnings may result in injury!
2
Note
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