2/18/2004

Channel-Hopping Radio Probe

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The RMP60 machine tool probe features frequency-hopping spread spectrum (FHSS) radio transmission. The FHSS technology is said to enhance the robustness and versatility of radio probing for five-axis, large part and deep part machining operations where obstacles or part features can block transmission by optical line-of-sight probes. The company says the system hops transmission between multiple discrete 1 MHz channels to overcome any interference.

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The RMP60 machine tool probe features frequency-hopping spread spectrum (FHSS) radio transmission. The FHSS technology is said to enhance the robustness and versatility of radio probing for five-axis, large part and deep part machining operations where obstacles or part features can block transmission by optical line-of-sight probes. The company says the system hops transmission between multiple discrete 1 MHz channels to overcome any interference. 

The system synchronizes the probe and receiver to hop channels together at an updated rate of 50 times per second to find an open channel. This allows these probes to be used on multiple machine tools in the same plant, or where earlier fixed-channel radio probes are already operating, the company says.  

The system consists of the probe and RMI receiver. A signal is transmitted using a coded pattern of different frequencies shared by the probe transmitter and receiver.

The RMI combines antenna and interface, eliminating the need for mounting a separate enclosure in the control cabinet, the company says.

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