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3
Safety - English
3.1.1
PP420 – Safety
Please read this before using the PP420 family of products. If in doubt, contact your distributor
or Gardasoft Vision.
Where this symbol appears in the manual, refer to the text for precautions to be taken.
3.1.2
Heat
The PP420 can get very hot. It should be positioned where personnel cannot
accidentally touch it and away from flammable materials.
Read the section on Heat Dissipation. Do not exceed the power ratings given in the manual. Note
that at the maximum ratings the case temperature can reach 80
o
C.
3.1.3
Electrical
The user must ensure that the potential difference between any combination of applied signals
does not exceed the supply voltage. WARNING: Higher voltages may cause a danger to personal
health.
The PP420 does not have complete tracking isolation of inputs and outputs.
Transients caused by inductive loads must be suppressed external to the PP420.
3.1.4
General
The PP420 must not be used in an application where its failure could cause a danger to personal
health or damage to other equipment.
If the equipment is used in a manner not specified by the manufacturer, the protection provided
by the equipment may be impaired.