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, control and laboratory. Installation of this instrument
should be done by qualified personnel. 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 meet the relevant requirements of IEC 947–1 and
IEC 947-3 (International Electrotechnical Commission). The switch shall
not be incorporated 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!
3
Summary of Contents for CNI8
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