FusionClient – User Guide (Rev. 1.3)
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Additional Safety Instructions for DC Power Supply Circuits
To guarantee safe operation of devices with DC power supply voltages larger than 60 volts DC or a
power consumption larger than 240 VA, please observe that:
•
The device is set up, installed and operated in a room or enclosure marked with “RESTRICTED
ACCESS”, if there
are no safety messages on product as safety signs and labels on the device itself.
•
No cables or parts without insulation in electrical circuits with dangerous voltage or power should
be touched
directly or indirectly.
•
A reliable protective earthing connection is provided.
•
A suitable, easily accessible disconnecting device is used in the application (e.g. overcurrent
protective device),
if the device itself is not disconnectable.
•
A disconnect device, if provided in or as part of the equipment, shall disconnect both poles
simultaneously.
•
Interconnecting power circuits of different devices cause no electrical hazards.
A sufficient dimensioning of the power cable wires must be selected – according to the maximum
electrical specifications on the product label – as stipulated by EN60950-1 or VDE0100 or EN60204 or
UL508 regulations.
The devices do not generally fulfill the requirements for “centralized DC power systems“ (UL 60950-1,
Annex NAB; D2) and therefore may not be connected to such devices!
1.1.
Electrostatic Discharge (ESD)
A sudden discharge of electrostatic electricity can destroy static-sensitive devices
or micro-circuitry.
Therefore proper packaging and grounding techniques are necessary precautions to prevent damage.
Always take the following precautions:
1.
Transport boards in ESD-safe containers such as boxes or bags.
2.
Keep electrostatic sensitive parts in their containers until they arrive at the ESD-safe workplace.
3.
Always be properly grounded when touching a sensitive board, component, or assembly.
4.
Store electrostatic-sensitive boards in protective packaging or on antistatic mats.
1.1.1.
Grounding Methods
By adhering to the guidelines below, electrostatic damage to the device can be avoided:
1.
Cover workstations with approved antistatic material. Always wear a wrist strap connected to
workplace. Always use properly grounded tools and equipment.
2.
Use antistatic mats, heel straps, or air ionizers for more protection.
3.
Always handle electrostatically sensitive components by their edge or by their casing.
4.
Avoid contact with pins, leads, or circuitry.
5.
Turn off power and input signals before inserting and removing connectors or connecting test
equipment.
Содержание FusionClient FC 121
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