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Regulations and Standards
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
• 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 mea-
sures.
The immunity test conditions for the NX-series Analog Input Units and Analog Output Units are as fol-
lows:
Use a shield wire (2 conductors, twisted wire) or a shield wire (3 conductors) to connect the Analog
Input Units and Analog Output Units. The compatibility was confirmed in a condition that the shield wire
was not connected.
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 prod-
uct 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.
Some NX-series products comply with shipbuilding standards. If you use an NX-series product that
complies with shipbuilding standards and the machinery or system 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. Application may not be possible for some
installation locations.
For usage conditions for shipbuilding standards, refer to Conformance to Shipping Standards in the
user's manual for the CPU Unit or Communications Coupler Unit that the NX Units are connected to.
Conformance Requirement to EU Directives
Unit Type Conversion time Overall accuracy
Analog Input Units
250 μs/point
+3% / -6%
10 μs/point
+6% / -6%
Analog Output Units
250 μs/point
+4% / -4%
10 μs/point
+4.5% / -4.5%
Conformance to UL and CSA Standards
Conformance to Shipbuilding Standards
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