WATER TREATMENT CONTROL SYSTEMS AND METHODS OF USE
First Claim
1. A method of controlling addition of an oxidizing compound to a water treatment system comprising:
- measuring a value of a process parameter of the water treatment system;
generating a first control signal in a first control mode when the value of the process parameter is within a first range; and
generating a second control signal in a second control mode when the value of the process parameter is within a second range.
9 Assignments
0 Petitions
Accused Products
Abstract
The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the water treatment system is intended to operate. The alternate control mode can represent a second control or mode of operation. The systems can be operated to control or facilitate regulation, monitoring, and performance of one or more operating parameters of one or more water systems between, or to and from, a first mode, a second or alternate mode, and, in some cases, a third or even a fourth control mode. The change in control mode can be triggered by identifying one or more predetermined, pre-selected, and/or programmed conditions.
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Citations
35 Claims
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1. A method of controlling addition of an oxidizing compound to a water treatment system comprising:
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measuring a value of a process parameter of the water treatment system; generating a first control signal in a first control mode when the value of the process parameter is within a first range; and generating a second control signal in a second control mode when the value of the process parameter is within a second range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of controlling addition of an oxidizing compound to a water treatment system comprising:
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specifying a first set point representing a first desired operating condition of the water treatment system; specifying a second set point and a tolerance representing a second desired operating condition of the water treatment system; generating a first input signal corresponding to a first operating parameter of the water treatment system; generating a second input signal corresponding to a second operating parameter of the water treatment system; generating a first output signal based on a difference between the first input signal and the first set point when a difference between the second input signal and the second set point is less than the tolerance; and generating a second output signal based on the first input signal and a second set point when the difference between the second input signal and the second set point is greater than the tolerance. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of controlling addition of a compound to a water treatment system comprising:
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specifying a primary set point representing an operating condition of the water treatment system; measuring a primary operating parameter and a secondary operating parameter of the water treatment system; generating a first output signal based on the primary operating parameter and the primary set point; identifying an alternate control mode when at least one condition selected from the group consisting of a low first operating parameter, a high first operating parameter, a low second operating parameter, and a high second operating parameter is present; and generating an alternate output signal based on at least one of the primary operating parameter and the secondary operating parameter when the alternate control mode is identified. - View Dependent Claims (18, 19, 20, 21)
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22-27. -27. (canceled)
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28. A computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by a computer, instruct the computer to perform a method of controlling addition of an oxidizer compound to a water treatment system comprising acts of:
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generating a first control signal in a first control mode when a value of a process parameter of the water treatment system is within a first range; and generating a second control signal in a second control mode when the value of the process parameter is within a second range. - View Dependent Claims (29, 30, 31)
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32. A computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by a computer, instruct the computer to perform a method of controlling addition of an oxidizer compound to a water treatment system comprising acts of:
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receiving a first input signal from a first input device disposed to measure a first operating parameter of the water treatment system; receiving a second input signal from a second input device disposed to measure a second operating parameter of the water treatment system; generating a first output signal based on the first input signal and a first set point when a difference between the second input signal and the second set point value is less than a tolerance; and generating a second output signal based on the first input signal and a second set point when the difference between the second input signal and the second set point value is greater than the tolerance.
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33. A method of modifying a water treatment system comprising:
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installing a controller that generates a first output signal based in a first control mode to regulate a first control parameter, and a second output signal in a second control mode to regulate a second control parameter; and connecting the controller to a sensing device disposed in the water treatment system to provide a measure of one or more operating parameters of the water treatment system. - View Dependent Claims (34, 35)
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Specification