System for Power Distribution and Communication
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Accused Products
Abstract
The present invention relates to a system for power distribution and communication over a two-wire network 21; 51. The system 20; 30; 50; 70 comprises: a control unit 22; CU (dedicated or distributed) configured to receive power from said two-wire network and provided with a transceiver circuitry connected to the two-wire network, a power converter unit 23; 31; 71 having a power converter 24 converts incoming voltage to a DC-voltage of less than 50 V and feeds the DC-voltage to the two-wire network, and a power fuse unit 25; 72 with a power fuse identity connected between the power converter 24 and the two-wire network 21; 51. The power fuse unit forwards the DC-voltage to the two-wire network and comprises: a transceiver circuitry connected to the two-wire network, and a fuse. The system is provided with means to monitor an amount of power consumed in the network, and means to activate the power switch in the power fuse unit 25; 72 when the amount of power consumed in the two-wire network exceeds predetermined limits
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Citations
41 Claims
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1-16. -16. (canceled)
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17. A system for power distribution and communication over a two-wire network, said system comprising:
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a control unit configured to receive power from said two-wire network and provided with a transceiver circuitry connected to said two-wire network, a power converter unit comprising a power converter configured to convert at least one incoming voltage to a predetermined DC-voltage of less than 50 V and to feed said DC-voltage to said two-wire network, and a plurality of nodes connected to and receiving power from said two-wire network; wherein said power converter unit further comprises;
a power fuse unit with a unique identity connected between said power converter and said network, wherein said power fuse unit is configured to forward said DC-voltage to the network, a transceiver circuitry connected to said network, and a power switch configured to terminate forwarding of said DC-voltage to the network when activated,wherein said system is provided with means to monitor an amount of power consumed in the network, and means to activate the power switch in the power fuse unit when the amount of power consumed in the network exceeds predetermined limits, wherein said control unit is a dedicated control unit comprising a microprocessor and a memory in which the unique identity of the power fuse unit is stored, and is configured to communicate with any unit connected to said two-wire network and having a unique known identity stored in said memory; wherein each of said plurality of nodes comprises a transceiver circuitry connected to said two-wire network and is configured with a unique known identity enabling control of a function of the node, said unique identity is stored in said memory, at least one of said plurality of nodes is configured as a sensor node and at least one of said plurality of nodes is configured as an actuator node, wherein each sensor node is defined as an entity having at least two states and each sensor node is associated with and controls at least one actuator node in response to a current state of the associated sensor node, and the association between each sensor node and the at least one actuator node is stored in the memory; and wherein said means to monitor an amount of power consumed in the network and said means to activate the power switch are provided in said dedicated control unit, which is further configured to communicate with the power fuse unit over said two-wire network to activate the power switch. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A system for power distribution and communication over a two-wire network, said system comprising:
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a control unit configured to receive power from said two-wire network and provided with a transceiver circuitry connected to said two-wire network, a power converter unit comprising a power converter configured to convert at least one incoming voltage to a predetermined DC-voltage of less than 50 V and to feed said DC-voltage to said two-wire network, and a plurality of nodes connected to and receiving power from said two-wire network; wherein said power converter unit further comprises;
a power fuse unit with a unique identity connected between said power converter and said network, wherein said power fuse unit is configured to forward said DC-voltage to the network, a transceiver circuitry connected to said network, and a power switch configured to terminate forwarding of said DC-voltage to the network when activated,wherein said system is provided with means to monitor an amount of power consumed in the network, and means to activate the power switch in the power fuse unit when the amount of power consumed in the network exceeds predetermined limits, wherein said control unit is a distributed control unit; wherein each of said plurality of nodes comprises a transceiver circuitry connected to said two-wire network and is configured with a unique known identity enabling control of a function of the node, and each said node comprises a processor and a dedicated memory in which said unique identity is stored, and said plurality of nodes are configured to act as said distributed control unit, at least one of said plurality of nodes is configured as a sensor node and at least one of said plurality of nodes is configured as an actuator node, wherein each sensor node is defined as an entity having at least two states and each sensor node is associated with and controls at least one actuator node in response to a current state of the associated sensor node, and the association between each sensor node and the at least one actuator node is stored in the dedicated memory; and wherein said means to monitor an amount of power consumed in the network is provided in said power fuse unit, said power fuse unit comprises a processor and a memory, in which a complete list of nodes in the network is provided, and the power fuse unit is configured to communicate with all of said nodes and receive information regarding consumed power. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41)
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Specification