Omron A2W-R**-WC1 Series, User Manual

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5
Safety Precautions
Wireless Pushbutton Switch User’s Manual (A265)
WARNING
Do not use this product without a protection circuit. Otherwise it may result in heavy injuries or dam-
age on life or property due to malfunction.
Dual or triple safety protection circuits, such as emergency stop, interlock, or limit circuit, must be
configured by external control circuit so that the system should operate on safe side even if a failure
of this product or an error due to an external factor occurred.
This product is used radio waves for communications, communications may be interrupted.
Depending on the surrounding environment and usage, leading to serious accidents such as severe
personal injury and serious physical damage.
Safety of the system must be maintained even in such a case. In particular, this product may be dis-
turbed by wireless systems generating strong radio waves in the neighboring frequency band.
Before starting actual operation or periodically, always perform the communications test in advance
and make sure that the system operates normally before using it.
Never use this product for real-time control applications.
Communications errors cause information to be delayed or missing in which may result in serious
accidents.
Do not use this product close to any medical equipment such as a pacemaker as it may affect oper-
ation of such medical equipment and may result in heavy injuries.
Conformance to EN Standards
Use a DC power line less than 3 m to conform to EN standards. If a power line of 3 m or longer is required,
extend the length at the Switching Power Supply's primary side (i.e., the AC power line).