Before Modifications - Pro-face PS-4700 Series User Manual

Hardware Modifications

Before Modifications

Overview
78
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
Remove all power from the device before removing any covers or elements of

the system, and prior to installing or removing any accessories, hardware, or
cables.
Unplug the power cable from both the Industrial Personal Computer and the

power supply.
Always use a properly rated voltage sensing device to confirm power is off.

Replace and secure all covers or elements of the system before applying power

to the unit.
Use only 24 Vdc when operating the Industrial Personal Computer.

Failure to follow these instructions will result in death or serious injury.
EXPLOSION HAZARD
Always confirm the ANSI/ISA 12.12.01 and CSA C22.2 N213 hazardous

location rating of your device before installing or using it in a hazardous location.
To power on or power off a Industrial Personal Computer installed in a Class I,

Division 2 hazardous location, you must either:
Use a switch located outside the hazardous environment, or

Use a switch certified for Class I, Division 1 operation inside the hazardous

area.
Do not disconnect equipment unless power has been switched off or the area

is known to be non-hazardous. This applies to all connections including power,
ground, serial, parallel, and network connections.
Never use unshielded / ungrounded cables in hazardous locations.

Use only non-incendive USB configuration.

When enclosed, keep enclosure doors and openings closed at all times to avoid

the accumulation of foreign matter inside the workstation.
Failure to follow these instructions will result in death or serious injury.
During operation, surface temperatures of the heat sink may reach 70 C (158 F).
RISK OF BURN
Do not touch the surface of the heat sink during operation.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
DANGER
DANGER
WARNING