Pro-face PL-6930-T41, Руководство пользователя

Страница: 5 / 175

4
Installation
Wiring
Maintenance
Unit Disposal
General Safety Precautions
Be sure all cable connectors are securely attached to the PL unit. A loose connection may cause incorrect
input or output signals.
Be sure to ground the PL unit’s FG wire separately from other equipment FG lines. Also, be sure to use a
grounding resistance of 100
Ω
or less and a 2mm
2
or thicker wire, or your country's applicable standard.
Otherwise, electric shock or malfunctions may result.
Be sure to use only the designated torque to tighten the PL unit’s terminal block screws. If these screws
are not tightened firmly, it may cause a short-circuit, fire or incorrect unit operation.
Be sure that metal particles and wiring debris do not fall inside the PL unit. They can cause a fire,
malfunction or incorrect unit operation.
Do not reset or turn the PL OFF, or insert or remove the hard disk or the CF Card while the PL unit’s CF
Card is being accessed. Otherwise, the data in the hard disk or CF Card may be damaged or lost.
When the product is disposed of, it should be done so according to your country’s regulations for similar
types of industrial waste.
Do not press on the PL unit’s display with excessive force or with a hard object, since it can damage the
display. Also, do not press on the touch panel with a pointed object, such as the tip of a mechanical pencil
or a screwdriver, since doing so can damage the touch panel.
Do not install the PL where the ambient temperature exceeds the specified range. Doing so may cause a
unit malfunction.
To prevent abnormally high temperatures from occurring inside the PL, do not restrict or block the PL
unit’s rear-face ventilation slots.
Do not operate the PL in areas where large, sudden temperature changes can occur. These changes can
cause condensation to form inside the PL, possibly causing it to malfunction.
Do not allow water, liquids or metal fragments to enter inside the PL unit’s case, since they can cause
either a malfunction or an electric shock. For use in Pollution Degree 2 environment.
Do not operate or store the PL in locations where it can be exposed to direct sunlight, high temperatures,
excessive dust, moisture or vibration.