System and method for motor drive control pad and drive terminals
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02P-001/54
출원번호
US-0481475
(2009-06-09)
등록번호
US-8436559
(2013-05-07)
발명자
/ 주소
Kidd, Melissa Drechsel
Genaw, William James
Pasche, Micheal Robert
Baase, II, Gary Thomas
Berthelsen, Lars Hoffmann
Fink, Rasmus
Holm, Martin Skov
출원인 / 주소
Sta-Rite Industries, LLC
대리인 / 주소
Quarles & Brady LLP
인용정보
피인용 횟수 :
22인용 특허 :
243
초록▼
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.
대표청구항▼
1. A method of controlling a pump driven by a motor, the pump being installed in a well, the motor connected to a drive with a control pad, the drive connected to the motor by an installer, the method comprising: providing a drive having an input power terminal block, an output power terminal block,
1. A method of controlling a pump driven by a motor, the pump being installed in a well, the motor connected to a drive with a control pad, the drive connected to the motor by an installer, the method comprising: providing a drive having an input power terminal block, an output power terminal block, at least one digital input terminal, at least one digital output terminal, and at least one analog input terminal;connecting at least one of a run/enable switch to the at least one digital input terminal, an indicator device to the at least one digital output terminal, a status output to the at least one digital output terminal, and a fault alarm output to the at least one digital output terminal;operating the pump in a pump-out mode if sand and dirt need to be discharged from the well; andautomatically entering a password protection mode after a predetermined time period once the installer finishes connecting the drive to the motor and finishes a set up operation. 2. The method of claim 1 wherein the password protection mode prevents settings from being changed using the control pad until a password is provided. 3. The method of claim 1 and further comprising engaging a pump-out button on the control pad once the pump is installed in the well and once the drive is connected to the motor. 4. The method of claim 1 and further comprising operating the pump in the pump-out mode at about 45 Hertz. 5. The method of claim 1 and further comprising providing an open discharge onto a lawn. 6. The method of claim 1 and further comprising connecting a lawn irrigation system to one of the digital input terminal and the digital output terminal. 7. The method of claim 1 and further comprising connecting a spa pump controller to one of the digital input terminal and the digital output terminal. 8. The method of claim 1 and further comprising connecting a pool pump controller to one of the digital input terminal and the digital output terminal. 9. The method of claim 1 and further comprising connecting a float switch to the digital input terminal. 10. The method of claim 1 and further comprising connecting an electronic pressure transducer to the analog input terminal. 11. The method of claim 1 and further comprising connecting a timer to one of the digital input terminal and the digital output terminal. 12. The method of claim 1 wherein the status output controls a second pump. 13. The method of claim 1 wherein the fault alarm output one of communicates using a pre-defined phone number, communicates with a residential alarm system, and shuts down the pump. 14. The method of claim 1 wherein the plurality of digital input/output terminals are a plurality of spring terminals coupled to a drive circuit board. 15. The method of claim 1 wherein the input power terminal block is a removable and replaceable terminal block coupled to a drive circuit board. 16. The method of claim 1 wherein the output power terminal block is a removable and replaceable terminal block coupled to a drive circuit board. 17. The method of claim 1 wherein connections with the drive are made through conduit access holes in a housing of the drive; and wherein the access holes provide straight-in accessibility to at least one of the input power terminal block, the output power terminal block, the at least one digital input terminal, the at least one analog input terminal, and the at least one digital output terminal.
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