CN112462682A - PLC single-path analog output control system for multiple dosing pumps - Google Patents
PLC single-path analog output control system for multiple dosing pumps Download PDFInfo
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- CN112462682A CN112462682A CN202011316644.3A CN202011316644A CN112462682A CN 112462682 A CN112462682 A CN 112462682A CN 202011316644 A CN202011316644 A CN 202011316644A CN 112462682 A CN112462682 A CN 112462682A
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- 238000006243 chemical reaction Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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Abstract
The invention discloses a PLC single-path analog output control system of a plurality of dosing pumps, wherein the output end of a Siemens PLC power supply module is electrically connected with the input end of a Siemens PLC, the output end of the Siemens PLC is electrically connected with the input end of a Siemens analog input module, the output end of the Siemens analog input module is electrically connected with the input end of a signal isolator, the output end of the signal isolator is respectively and electrically connected with the input ends of a first variable frequency controller and a second variable frequency controller, the output end of the first variable frequency controller is electrically connected with the input end of a first variable frequency motor, the output end of the second variable frequency controller is electrically connected with the input end of a second variable frequency motor, the output end of the first variable frequency motor is electrically connected with the input end of a Miton dosing pump A, and the output end of the second variable frequency motor is electrically connected with the input end. The invention can achieve the effect of reducing the development complexity and the production cost of the control system.
Description
Technical Field
The invention relates to the technical field of dosing pumps, in particular to a PLC (programmable logic controller) single-path analog output control system for a plurality of dosing pumps.
Background
In the existing water treatment dosing equipment, most dosing pumps have one-use-multiple-standby conditions, the number of the dosing pumps is large, the traditional signal control generally adopts 4-20mA analog quantity one-to-one control, if each dosing pump is controlled in a one-to-one mode, the number of controlled point positions is large, the investment cost is high, and the development complexity of a control system is increased.
Disclosure of Invention
The invention aims to provide a PLC single-path analog output control system for a plurality of dosing pumps, which has the advantage of reducing the production cost and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a many dosing pump PLC single-pass analog output control system, Siemens 315 PLC's input is connected to PLC power module's output electricity, and Siemens 315 PLC's output electricity connects Siemens analog input module's input, Siemens analog input module's output electricity connects the input of signal isolator, the output of signal isolator is connected with first frequency conversion controller and second frequency conversion controller's input electricity respectively, and first inverter motor's input is connected to first frequency conversion controller's output electricity, second inverter motor's input is connected to second frequency conversion controller's output electricity, and Midunro dosing pump A's input is connected to first inverter motor's output electricity, Midunro dosing pump B's input is connected to second inverter motor's output electricity.
Preferably, the signal isolator is a one-in-multiple-out signal isolator, and the PLC signals are distributed to the plurality of drug delivery pumps through the signal isolator.
Preferably, the output end of the signal isolator is respectively connected with the input ends of the first variable frequency controller and the second variable frequency controller through electric wires.
Preferably, the output ends of the first variable frequency controller and the second variable frequency controller are connected with the input ends of the Miton Ro dosing pump A and the Miton Ro dosing pump B through electric wires.
Compared with the prior art, the invention has the following beneficial effects:
according to the PLC single-path analog output control system for the plurality of dosing pumps, a PLC power supply module can supply power to other electronic components, a Siemens 315PLC can control the dosing pumps through signals, a Siemens analog input module can convert digital quantity into analog quantity which can be received by external equipment, a signal isolator can distribute one signal to the plurality of dosing pumps, a first variable frequency controller and a second variable frequency controller can control and adjust the power of a first variable frequency motor and a second variable frequency motor, the first variable frequency motor and the second variable frequency motor can provide power for the dosing pumps, and a Miton Ro dosing pump A and a Miton Ro dosing pump B can carry out drug treatment on water.
Drawings
Fig. 1 is a plan view of the present invention.
In the figure: 1. a PLC power module; 2. siemens 315 PLC; 3. a Siemens analog input module; 4. a signal isolator; 5. a first variable frequency controller; 51. a second variable frequency controller; 6. a first variable frequency motor; 61. a second variable frequency motor; 7. a Midunluo dosing pump A; 71. and a Miton Luo administration pump B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, a multiple dosing pump PLC single-channel analog output control system, including a PLC power module 1, the PLC power module 1 can supply power to other electronic components, an output terminal of the PLC power module 1 is electrically connected to an input terminal of a siemens 315PLC2, the siemens 315PLC2 can control a dosing pump through a signal, an output terminal of the siemens 315PLC2 is electrically connected to an input terminal of a siemens analog input module 3, the siemens analog input module 3 can convert a digital quantity into a 4-20mA analog quantity that can be received by an external device, an output terminal of the siemens analog input module 3 is electrically connected to an input terminal of a signal isolator 4, the signal isolator 4 can distribute a signal to multiple dosing pumps, an output terminal of the signal isolator 4 is electrically connected to input terminals of a first frequency conversion controller 5 and a second frequency conversion controller 51, the first frequency conversion controller 5 and the second frequency conversion controller 51 can control and adjust a first frequency conversion motor 6 and a second frequency conversion controller 51 respectively The power of the machine 61, and the output end of the first variable frequency controller 5 is electrically connected with the input end of the first variable frequency motor 6, the output end of the second variable frequency controller 51 is electrically connected with the input end of the second variable frequency motor 61, the first variable frequency motor 6 and the second variable frequency motor 61 can provide power for the dosing pump, and the output end of the first variable frequency motor 6 is electrically connected with the input end of the Miton Ro dosing pump A7, the output end of the second variable frequency motor 61 is electrically connected with the input end of the Miton Ro dosing pump B71, the Miton Ro dosing pump A7 and the Miton Ro dosing pump B71 can supply water, the dosing isolator 4 is a one-in and-out signal isolator 4, PLC signals are distributed to the dosing pumps through the signal isolators 4, the output end of the signal isolator 4 is respectively connected with the input ends of the first variable frequency controller 5 and the second variable frequency controller 51 through wires, and the output ends of the first variable frequency controller 5 and the second variable frequency controller 51 are connected with the input ends of the Miton Ro dosing pump A7.
In summary, the following steps: according to the PLC single-path analog output control system for the multiple dosing pumps, a PLC power module 1 can supply power to other electronic components, a Siemens 315PLC2 can control the dosing pumps through signals, a Siemens analog input module 3 can convert digital quantity into 4-20mA analog quantity which can be received by external equipment, a signal isolator 4 can distribute one signal to the multiple dosing pumps, a first variable frequency controller 5 and a second variable frequency controller 51 can control and adjust the power of a first variable frequency motor 6 and a second variable frequency motor 61, the first variable frequency motor 6 and the second variable frequency motor 61 can provide power for the dosing pumps, and a Miton Ro dosing pump A7 and a Miton Ro dosing pump B71 can perform drug treatment on water.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a many dosing pump PLC single channel analog output control system, includes PLC power module (1), its characterized in that: the output end of the PLC power supply module (1) is electrically connected with the input end of the Siemens 315PLC (2), the output end of the Siemens 315PLC (2) is electrically connected with the input end of the Siemens analog quantity input module (3), the output end of the Siemens analog quantity input module (3) is electrically connected with the input end of the signal isolator (4), the output end of the signal isolator (4) is respectively and electrically connected with the input ends of the first variable frequency controller (5) and the second variable frequency controller (51), the output end of the first variable frequency controller (5) is electrically connected with the input end of the first variable frequency motor (6), the output end of the second variable frequency controller (51) is electrically connected with the input end of the second variable frequency motor (61), the output end of the first variable frequency motor (6) is electrically connected with the input end of a Miton Luo dosing pump A (7), and the output end of the second variable frequency motor (61) is electrically connected with the input end of a Miton Luo dosing pump B (71).
2. The PLC one-way analog output control system for multiple dosing pumps according to claim 1, wherein the signal isolator (4) is a one-in-multiple-out signal isolator (4), and PLC signals are distributed to the multiple dosing pumps through the signal isolator (4).
3. The PLC single-path analog quantity output control system for the multiple dosing pumps as claimed in claim 1, wherein the output ends of the signal isolators (4) are respectively connected with the input ends of the first variable frequency controller (5) and the second variable frequency controller (51) through wires.
4. The PLC one-way analog output control system of multiple dosing pumps according to claim 1, wherein the output ends of the first variable frequency controller (5) and the second variable frequency controller (51) are connected with the input ends of a Miton dosage pump A (7) and a Miton dosage pump B (71) through electric wires.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011316644.3A CN112462682A (en) | 2020-11-20 | 2020-11-20 | PLC single-path analog output control system for multiple dosing pumps |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011316644.3A CN112462682A (en) | 2020-11-20 | 2020-11-20 | PLC single-path analog output control system for multiple dosing pumps |
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| CN112462682A true CN112462682A (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157022A (en) * | 2021-11-03 | 2022-03-08 | 中船澄西船舶修造有限公司 | System for supplying single analog quantity signal to multiple terminals |
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2020
- 2020-11-20 CN CN202011316644.3A patent/CN112462682A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114157022A (en) * | 2021-11-03 | 2022-03-08 | 中船澄西船舶修造有限公司 | System for supplying single analog quantity signal to multiple terminals |
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