| 摘要 |
A wireless power and communication unit (100, 200, 300, 350, 360, 400) for field devices (14) is configured to connect to a field device (14) and provi de operating power and wired digital communication between the unit (100, 200, 300, 350, 360, 400) and the field device (14). RF circuitry (366) in the uni t (100, 200, 300, 350, 360, 400) is configured for radio frequency communication. In one embodiment, power supply circuitry (365) in the unit includes one or more solar power cells (116) that convert solar energy into electricity to power both the unit (100, 200, 300, 350, 360, 400) and the field device (14). The unit (100, 200, 300, 350, 360, 400) interacts with th e field device (14) in accordance with a standard industry communication protocol. The unit (100, 200, 300, 350, 360, 400) communicates wirelessly wi th an external device, such as a control room (12), based upon the interaction with the field device (14) .
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