上海维宏电子科技股份有限公司
SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO., LTD.
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10.2 Specification Parameters
Electric parameters
• Working voltage & current: 3V / 6mA (Two AA battery)
• Voltage range for low voltage alarm: < 2.2V
• Transmit power (Transmitter): 14dB
• Receiver sensitivity (Receiver): -90dB
• Communication frequency: 433MHz band
• Delay: 32ms
Other parameters
• Usage life of keys: 400~500 thousand times
• Communication distance: 40m without barrier
• Working temperature: -25°~70°
• Receiver: USB2.0, with 1.5m USB dual layer shield cable
• Receiver movable distance: ≤5m
10.3 Caution
Please pay attention to the following:
• Do not scrape the keys with sharp object to avoid possible damage to the
operation keys.
• Make sure the wireless CNC handwheel is well connected to the computer host
before starting the CNC software.
• The operational panel is exclusively matched with the USB receiver. Therefore,
do not use wrong pairs.
• To ensure stable working condition for the wireless CNC handwheel, put wire
antenna of the receiver out of the electric cabinet (top of the cabinet is the
best). Do not place the wire antenna in an enclosure environment, because it
may cause signal block and further unpredictable danger.
• When the low voltage indicator (yellow) lights on, change the battery in time;
otherwise, it may cause mulfunction of the wireless CNC handwheel.
10.4 FAQs
If the following occurs to the wireless CNC handwheel:
• The machine tool responds to the key operations in a delay manner.
• The machine tool does not respond to the key operations at all.
• Once pressed, the key immediately bounces back by itself.
Please check the working environment as follows:
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