Manual

- PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (GT-70A) -

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).