
11
Electromagnetic Compatibility
Descriptions in this section apply to all models:
TW , TX , TXB series
This product complies with European standard EN55022 : 2006 , class B for electromagnetic
interference (Emissions) and minimum requirement for electromagnetic susceptibility
(Immunity).
EN55022 Emissions (Electromagnetic Interference)
This is a class B product.
When this product causes an electromagnetic disturbance to devices being used near this
product, create an appropriate distance between those devices and this product in order to
eliminate the disturbance.
EN55024 Immunity (Electromagnetic Susceptibility)
Test conditions are as follows.
EN 61000-4-2 Electrostatic Discharge:
Air: 8 kV, Contact: 4 kV
EN 61000-4-3 Radiated, Radio-Frequency, Electromagnetic Field: 3 V/m
EN 61000-4-4 Transient/Burst (Electrical Fast Transients):
1 kV to AC power line and
ground
EN 61000-4-5 Voltage Surge:
1 kV line to line, 2 kV line
to ground
EN 61000-4-6 Conducted RF Immunity:
3 V
EN 61000-4-8 Power Frequency Magnetic Field Immunity:
1 A/m
EN 61000-4-11 Voltage Variations/Dips/Interrupts:
>95% drop
Compliance with these standards does not ensure that the product can operate at a level of
electromagnetic interference that is stronger than the level tested. Interference stronger than the
values specified above may cause the product to malfunction.
When installing or using this product, especially in an industrial location:
Locate the product away from any device emitting strong levels of electromagnetic noise.
Use a power source that is separated from the power source of any device emitting strong
levels of electromagnetic noise.
To prevent static electricity:
Prior to touching the product, the operator should be sure to discharge the static
electricity stored in their body by first touching a grounded metallic structure.
Do not touch any terminals or connectors that are not connected to cables while the
product is turned ON.
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