上海维宏电子科技股份有限公司
SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO., LTD.
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Case one: The wireless CNC handwheel is placed in metal cabinet and used
indoor. No USB extension cable is used. Communication distance is smaller
than or equal to 2m.
• Cause: The metal cabinet blocks transmission of wireless signal and causes
instable communication.
• Solution: Place the wireless CNC handwheel outside any metal cabinet, and use
it in a barrier-free environment.
Case two: The wireless CNC handwheel is placed outside of a metal cabinet and
used indoor. A USB extension cable of 2~3m long is used. Communication
distance is 10m.
• Cause: Usage of extension cable causes instable communication. If the
disturbance is severe, it can cause exceptional USB communication and
response delay.
• Solution: Do not use extension cable.
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