Fundamental Safety Instructions; Special Requirements (Atex) - Beckhoff CU8803-000 Series Manual

2.3

Fundamental safety instructions

The following safety instructions must be observed when handling the transmitter box.
Application conditions
• Do not use the transmitter box under extreme environmental conditions.
• Only use the transmitter box in hazardous areas if it is explicitly designed for this purpose.
• Never plug or unplug connectors during thunderstorms. There is a risk of electric shock.
• Provide protective grounding for the transmitter box.
Damage to property and impairment of functions
• Ensure that only trained specialists with a control and automation engineering background, operate the
PC to which the transmitter box is connected. Use by unauthorized persons can lead to damage to
property.
• Fuse the power supply line with max. 16 A. The fuse serves to protect the supply line in the event of a
short circuit.
• In case of fire, extinguish the transmitter box with powder or nitrogen.
2.3.1

Special requirements (ATEX)

Risk of explosion
Gases can be ignited in hazardous areas. Read and follow the safety instructions to avoid deflagration or
explosion.
The device must be installed in a suitable housing with IP54 protection rating according to EN 60079-15,
taking into account the environmental conditions in which the device will be used.
Precautions are to be taken to prevent the nominal voltage from being exceeded by transient disturbances in
excess of 119 V.
Observe the permissible ambient temperature range of 0-55 °C for the use of CU8803 in hazardous areas.
Secure the USB connector to the bracket with cable ties.
The device may only be used in an area with a maximum degree of pollution of 2 according to IEC 60664-7.
CU8803-000x
WARNING
Version: 2.0
For your safety
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