KEYENCE DL-PD1 - Manual (Page 4)

2 - PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (GT2) -
Precautions for Installation
Precautions for regulations and standards
UL Certificate
This product is an UL/C-UL Listed product.
•
UL File No. E207185
• Category NRAQ, NRAQ7
Be sure to consider the following specifications when using this product as an UL/C-UL Listed Product.
•
Use the power supply with Class 2 output defined in NFPA70 (NEC: National Electrical Code).
• Use this product under pollution degree 2.
• This product is an open type device. Therefore, it must be installed in an enclosure
with IP54 or higher. (e.g. Industrial control panel)
CE Marking
Keyence Corporation has confirmed that this product complies with the essential requirements of
the applicable EC Directive, based on the following specifications. Be sure to consider the
following specifications when using this product in the Member State of European Union.

EMC Directive (2004/108/EC)
•
Applicable standard EMI: EN55011, Class A, EMS: EN61000-6-2
Remarks: These specifications do not give any guarantee that the end-product with this
product incorporated complies with the essential requirements of EMC Directive. The
manufacturer of the end-product is solely responsible for the compliance on the end-
product itself according to EMC Directive.
CAUTION
For safe, trouble-free operation of this product, the product must not
be installed in the following locations:
-
Humid, dusty, or poorly ventilated.
- Exposed to direct sunlight or heating source.
- Exposed to corrosive or flammable gases.
- Exposed directly to vibration or shock.
- Exposed to water, oil, or chemical splashes.
- Exposed to static electricity.
NOTICE
If this product is installed in a location near a noise source, e.g.
power source or high-voltage line, it may malfunction or fail. Take
protective measures, such as using a noise filter including a supplied
ferrite core or running the cables separately.
* Use a ferrite core for a power cable of a sensor amplifier with D-bus
support which supplies power for the unit (3 turns).