You must therefore confirm that the overall machine or equipment in which the NX-series Units
are used complies with EU Directives.
• Y
ou must use power supplies with an output hold time of 10 ms or longer for the DC power sup-
plies that are connected as the Unit power supplies and I/O power supplies for the NX-series
Units.
• This is a Class A product (for industrial environments). In a residential environment, it may cause
radio interference. If radio interference occurs, the user may be required to take appropriate
measures.
Conformance to UL and CSA Standards
Some NX-series products comply with UL and CSA standards.
If you use an NX-series product that complies with UL or CSA standards and the machinery or system
in which you use the NX-series product must also comply with the standards, refer to the Instruction
Sheet that is provided with the product. The Instruction Sheet provides the application conditions for
complying with the standards.
Conformance to Shipbuilding Standards
Some NX-series products comply with shipbuilding standards.
If you use an NX-series product that complies with shipbuilding standards and the machinery or sys-
tem in which you use the NX-series product must also comply with the standards, consult with your
OMRON representative. Application conditions are defined according to the installation location. Appli-
cation may not be possible for some installation locations.
For shipbuilding standard usage conditions, refer to Conformance to Shipbuilding Standards in the us-
er
’
s manual for the CPU Unit, Communications Coupler Unit, or Communication Control Unit that the
NX Units are connected to.
Note that the usage conditions are provided in the relevant user's manuals for Units whose conform-
ance to shipbuilding standards is confirmed.
Conformance to KC Certification
Observe the following precaution if you use NX-series Units in Korea.
Class A Device (Broadcasting Communications Device for Office Use)
This device obtained EMC registration for office use (Class A), and it is intended to be used in places
other than homes.
Sellers and/or users need to take note of this.
Regulations and Standards
28
NX-series System Units User's Manual (W523)
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