Field device configured for wireless data communication
First Claim
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1. A field device comprising:
- at least one actuator and/or sensor adapted to alter and/or sense a control and/or process variable in a manufacturing field, a transmitter and/or receiver adapted to wireless data communication; and
a controller adapted to evaluate the energy available in the field device for wireless data communication prior to activation of the transmitter and/or receiver.
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Abstract
Field devices comprising a transmitter and/or receiver for wireless data communication are provided. It is proposed to evaluate the energy available for wireless data communication in data transmitting or data receiving field devices prior to activation of the transmitter and/or receiver of the field device.
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Citations
55 Claims
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1. A field device comprising:
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at least one actuator and/or sensor adapted to alter and/or sense a control and/or process variable in a manufacturing field, a transmitter and/or receiver adapted to wireless data communication; and
a controller adapted to evaluate the energy available in the field device for wireless data communication prior to activation of the transmitter and/or receiver. - View Dependent Claims (2, 3, 4, 37)
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5. A field device comprising:
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an interface adapted to supply operating power to the field device and to a data exchange between the field device and a control bus coupled to the field device;
an energy buffer storing energy supplied to the field device via the interface;
at least one actuator and/or sensor adapted to alter and/or sense a control and/or process variable in a manufacturing field;
a transmitter and/or receiver adapted to wireless data communication between the field device and a remote device; and
a controller adapted to control the field device components and to evaluate the energy available for wireless data communication in the energy buffer prior to activation of the transmitter and/or receiver. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54)
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38. A manufacturing plant control system comprising:
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at least one functional unit coupled to a central controller via a system bus;
at least one control bus coupling at least one field device to the functional unit;
wherein the at least one field device comprises a transmitter and/or receiver adapted to communicate using wireless data communication with a remote device, and a controller adapted to evaluate the energy available in the field device for wireless data communication prior to activation of the transmitter and/or receiver.
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49. A method of exchanging data in a manufacturing field using wireless data communication, the method comprising:
evaluating the energy available for wireless data communication in a data transmitting or data receiving field device prior to activation of a transmitter and/or receiver of the field device.
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55. A computer program product directly loadable into a memory of a field device infrared transmitter and/or receiver controller, the product including software code for exchanging data in a manufacturing field using wireless data communication by causing the field device infrared transmitter and/or receiver controller to:
evaluate the energy available for wireless data communication in a data transmitting or data receiving field device prior to activation of a transmitter and/or receiver of the field device.
Specification