String monitor
First Claim
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1. A string monitor comprising:
- (a) a base unit including;
(i) a power supply; and
(ii) a base unit controller arranged to communicate a datum and an instruction; and
(b) a sensor module including;
(i) a power bus conductively connectable to said power supply of said base unit such that a sensor module controller of said sensor module obtains its processing power for operating only from said power bus which only obtains said processing power from said power supply of said base unit;
(ii) a data bus communicatively connectable to said base unit controller, said data bus and said power bus arranged for selective connection to a second sensor module;
(iii) a sensor to sense at least one of a voltage at a voltage source and a direct current in a conductor; and
(iv) said sensor module controller arranged to quantify at least one of said voltage and said direct current sensed by said sensor and communicatively connected to said data bus to exchange at least one a datum quantifying at least one of said voltage and said direct current and an instruction with said base unit controller;
(v) said sensor module including a connector suitable to interconnect said sensor module to another sensor module to provide processing power to said another sensor module.
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Abstract
A string monitor comprises a modular base unit and one or more sensor modules which may include sensor modules for measuring DC voltage and current.
15 Citations
16 Claims
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1. A string monitor comprising:
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(a) a base unit including; (i) a power supply; and (ii) a base unit controller arranged to communicate a datum and an instruction; and (b) a sensor module including; (i) a power bus conductively connectable to said power supply of said base unit such that a sensor module controller of said sensor module obtains its processing power for operating only from said power bus which only obtains said processing power from said power supply of said base unit; (ii) a data bus communicatively connectable to said base unit controller, said data bus and said power bus arranged for selective connection to a second sensor module; (iii) a sensor to sense at least one of a voltage at a voltage source and a direct current in a conductor; and (iv) said sensor module controller arranged to quantify at least one of said voltage and said direct current sensed by said sensor and communicatively connected to said data bus to exchange at least one a datum quantifying at least one of said voltage and said direct current and an instruction with said base unit controller; (v) said sensor module including a connector suitable to interconnect said sensor module to another sensor module to provide processing power to said another sensor module. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A string monitor comprising:
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(a) a base unit including; (i) a base unit support; (ii) a first connector supported by said support; (iii) a power supply supported by said support; (iv) a power bus supported by said support and arranged to conduct electrical energy from said power supply to said first connector; (v) a controller supported by said support and arranged to receive and transmit at least one of a datum and an instruction; and (vi) a data bus supported by said support and arranged to convey at least one of a datum and an instruction between said controller and said first connector; and (b) at least one of sensor module comprising; (i) a module support; (ii) a module power bus supported by said module support; (iii) a module data bus supported by said module support; (iv) a second connector supported by said module support, said second connector engageable with one of said first connector and another connector similar to said first connector and arranged for transferring electrical energy between said module power bus and one of said power bus of base unit and a module power bus of a second sensor module and arranged for exchanging at least one of datum and an instruction between said module data bus and data bus of said base unit and a module data bus of said second module; (v) a third connector complimentary of said second connector and arranged for transferring said electrical energy from said module power bus and at least one of a datum and an instruction from said module data bus to a connector complimentary to said third connector; (vi) a module controller receiving electrical energy from said module power bus and communicatively connected to said module data bus to receive at least one of a datum and an instruction from said data bus and to transmit at least one of a voltage datum and a current datum to said base unit controller on said data bus, said module controller of said at least one sensor module obtains its processing power for operating only from said module power bus which only obtains said processing power from said power bus which receives its power from said power supply of said base unit; and (vii) at least one of; (a) a voltage sensor supported by said module support and connectable to a source of a voltage, said voltage sensor controlled by said module controller to sense said voltage at said source; and (b) plural reset current transformers supported by said module support each arranged to sense a direct current in a respective one of plural conductors; (viii) said sensor module including a connector suitable to interconnect said sensor module to another sensor module to provide processing power to said another sensor module. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification