KEYENCE BL-N90 Series - Manual (Page 6)

4
Wireless Communication
The BL-N90 Series contains an internal wireless function based on Bluetooth wireless
technology.
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Precautions for wireless communication
• Using the BL-N90 Series near wireless LAN equipment that operates in the same
frequency band may cause radio interference, reduce the communication speed, and
make communication impossible.
• Using the BL-N90 Series near equipment that operates in the same frequency band,
such as microwave ovens, industrial heaters, or high frequency medical equipment,
may make communication impossible.
• The BL-N90 Series may not be able to communicate in the following types of locations.
– Locations close to metallic substances or with large amounts of metallic powder
– Locations surrounded by metallic walls
– Locations that are subject to strong vibrations
• The guideline for communication distance is a visible range of about 10 m, but there are
some environments where communication is not possible even within this range. Make
sure to check communication before installation.
2.4 : Indicates that the wireless device is used
in a 2.4 GHz band.
FH : Indicates that the modulation system is FH-SS.
1 : Indicates the estimated interference distance (10 m).
: Indicates that the equipment uses the full
bandwidth and identification of moving
object equipment area cannot be avoided.
2.4 FH 1