Energy-harvesting wireless switches for industrial applications

A compatible enclosed standard receiver module for 868MHz and 915MHz offers several output interface options, is supplied complete with a power supply and is suitable for wall mounting. A flexible pairing function enables several receivers to be operated with one switch, or several switches with one receiver. A unique ID prevents interference between different RF-switches.

Cherry energy-harvesting wireless switches are a good alternative to traditional cabled switches for monitoring and managing industrial installations. The devices are simple to install, require no maintenance, and are not at risk of failure caused by cable damage. Installing Cherry energy-harvesting wireless switches offers users increased flexibility in the planning process of industrial automation as they require no complex and expensive cabling and can easily be retrofitted.

Also available from Cherry is an energy-harvesting generator and generator with PCB. The component offers a high energy yield of two times a minimum of 0.33mWs, an operating temperature range of -40 up to +85degC and a high operating life of up to 1,000,000 switching cycles. In addition to the core component, the radio module (the generator with PCB) is available for 868MHz and 915MHz frequency bands as standard. In support of the customer's design-in process, application notes are available on request for the following topics: generator, energy management, ZF's proprietary protocol, and general installation details for wireless switches.

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