KR20050000168A - Telemeter system of water process apparatus - Google Patents

Telemeter system of water process apparatus Download PDF

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Publication number
KR20050000168A
KR20050000168A KR1020030040758A KR20030040758A KR20050000168A KR 20050000168 A KR20050000168 A KR 20050000168A KR 1020030040758 A KR1020030040758 A KR 1020030040758A KR 20030040758 A KR20030040758 A KR 20030040758A KR 20050000168 A KR20050000168 A KR 20050000168A
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South Korea
Prior art keywords
communication
power
led
display
water treatment
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KR1020030040758A
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Korean (ko)
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KR100543517B1 (en
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박광일
구기회
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주식회사 포스코
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23067—Control, human or man machine interface, interactive, HMI, MMI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5433—Remote metering

Abstract

PURPOSE: A power telemetry system is provided to perform a real-time management operation for data by remotely measuring and managing wattage. CONSTITUTION: An MCC panel(100) is used for controlling a supplying operation for supplying power to a pump or a fan of a water treatment system. A measurement panel(200) includes a display unit(240) for detecting voltages and currents to display wattage and a communication centralization unit for connecting the display unit to an upper level system thereof. A control room(300) includes a PLC for controlling a wattage pulse and a state signal contact and a PC(330) for processing a communication input. An operation room(400) includes an HMI(410) for monitoring and managing the wattage.

Description

수처리 설비의 원격 전력량 계측 시스템{Telemeter system of water process apparatus}Telemeter system of water process apparatus

본 발명은 수처리 설비의 원격 전력 계측 시스템에 관한 것으로서, 더욱 상세하게는 제철소의 수처리 설비와 같이 광범위한 지역에 산재해 있는 다수개의 설비에서 사용되는 전력량 등 각종 가동정보를 원거리에서도 계측 할 수 있는 수처리 설비의 원격 전력 계측 시스템에 관한 것이다.The present invention relates to a remote power measurement system of a water treatment plant, and more particularly, to a water treatment plant that can measure various operating information such as the amount of power used in a large number of facilities scattered in a wide range of areas, such as steel mills. Relates to a remote power metering system.

일반적으로 제철소에는 각 공정별로 다량의 물을 사용하게 되므로 사기 각 공정에는 수처리 설비가 설치되어 있다. 이러한 수처리 설비에는 펌프 및 팬의 전원을 공급하는 MCC Panel에 전력량을 검침할 수 있는 적산전력량계가 별도로 설치되어 있지 않은 구조로 이루어져 있다.In general, steel mills use a large amount of water for each process, so water treatment facilities are installed in each process. This water treatment facility has a structure that does not have a separate power meter that can measure the power in the MCC Panel that supplies the power of the pump and fan.

또는 각 공정에서 적산전력량계를 설치하는 경우도 있으나 이러한 적산전력량계는 각 부하에 대한 전력량을 계측하기 위한 것이 아니고 공정으로 입력되는 총 전력량을 계측하는 것으로서, 수처리 설비의 전력량을 정확하게 계측할 수 있는 어떠한 수단도 강구되지 않았다.Alternatively, an integrated power meter may be installed in each process, but the integrated power meter is not for measuring the amount of power for each load, but for measuring the total amount of power input to the process, and any means for accurately measuring the amount of power of the water treatment facility. Was not also taken.

종래에는 도 1에 나타낸 바와 같이 수처리 설비의 전력량을 계측하기 위해서 운전자는 MCC Panel(10)에 설치된 의 입력 MCC Unit(11)에 설치된 전압계(12)와 수처리용 MCC Unit(13)에 설치된 EOCR(Electronic Over Current Relay)(14)의 지시값을 육안으로 점검하고 수기로 기록한 후 계산하여 시스템에 등록하는 방법을 취하여 왔다.In the related art, in order to measure the amount of power of a water treatment facility, as shown in FIG. 1, the driver uses the voltmeter 12 installed in the input MCC Unit 11 installed in the MCC Panel 10 and the EOCR installed in the water treatment MCC Unit 13. Electronic Over Current Relay) 14 has been visually inspected, manually recorded, calculated and registered in the system.

이러한 종래의 문제점은 운전자에 의한 육안 점검이므로 오차가 발생함은 물론, 운전자에 의해서 적산전력량을 도출 및 관리함으로 인하여 시간단위 전력량을 계측해야 하는 전산전력량의 개념과는 상이한 데이터가 도출되어 데이터의 신뢰성을 확보할 수 없었을 뿐만 아니라 운전자가 원거리에 산재한 현장을 방문하면서 점검해야 하므로 운전자의 업무가 가중되는 문제점이 있었다.Since the conventional problem is visual inspection by the driver, an error is generated, and data different from the concept of computerized power amount that needs to be measured in time unit power is derived by deriving and managing the integrated power amount by the driver. Not only couldn't be secured, but the driver had to check while visiting sites scattered over long distances, which led to a problem that the driver's work was aggravated.

또는 산재된 부하들의 전력량을 최대 4채널까지 펄스로 입력받아 합산하여 다시 펄스로 출력하는 펄스 합성기를 사용하는 경우도 있으나, 이러한 펄스 합성기는 입력점수의 제한으로 수 처리 설비에 적용하기 위해서는 다수개의 펄스 합성기를 설치하여야 하므로 비용이 과다하게 소요되고 출력 펄스폭이 100∼300ms 이내로 한정되어 있어 1∼2sec의 Scan Time을 지닌 DCS 등의 상위 시스템과 연결하기에는 부적합하게 되는 문제점이 있었다.Alternatively, a pulse synthesizer may be used to input power of scattered loads up to 4 channels and sum them up and output them as pulses again. Since the synthesizer has to be installed, the cost is excessive and the output pulse width is limited to within 100 to 300 ms. Therefore, there is a problem in that it is not suitable to connect with a higher system such as DCS having a scan time of 1 to 2 sec.

본 발명은 상기한 문제점 해결하기 위하여 발명한 것으로서, 그 목적은 공장 곳곳에 산재한 수처리 설비에 대한 적산전력량 및 가동정보를 각 공장별 상위 시스템에서 자동으로 계측하고 관리되도록 구성하여 데이터의 신뢰성 확보 및 운전자의 업무를 최소화 할 수 있는 수처리 설비의 원겨 전력계측 시스템을 제공함에 있다.The present invention has been invented to solve the above problems, the purpose of which is to configure the automatic power amount and operation information for the water treatment facilities scattered throughout the factory to be automatically measured and managed by the upper system of each plant to ensure the reliability of the data and the driver It is to provide a power measurement system of the original water treatment facilities that can minimize the work of the company.

도 1은 종래 수처리 설비의 전력량을 계측하는 방법을 설명하기 위한 개략도.1 is a schematic view for explaining a method for measuring the amount of power of a conventional water treatment facility.

도 2는 본 발명에 따른 전력량 계측 시스템의 요부를 나타낸 블록도.Figure 2 is a block diagram showing the main part of the power measurement system according to the present invention.

도 3은 본 발명에 따른 전력량 계측 시스템의 집중 표시장치를 나타낸 구성도.3 is a block diagram showing a concentrated display device of the power measurement system according to the present invention.

도 4는 본 발명에 따른 전력량 계측 시스템의 통신집중장치를 나타낸 구성도.Figure 4 is a block diagram showing a communication concentration device of the power measurement system according to the present invention.

도 5는 본 발명에 따른 전력량 계측 시스템을 나타낸 블록도.5 is a block diagram showing a power measurement system according to the present invention.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

100 : MCC 패널 200 : 계기 패널100: MCC panel 200: instrument panel

240 : 집중표시장치 241 : 표시창240: concentrated display device 241: display window

242 : 단위 표시 LED 243 : 부하 표시 LED242: unit display LED 243: load display LED

244 : 계측값 이동키 250 : 통신집중장치244: measurement value shift key 250: communication concentration device

251 : 표시창 252 : 에러 표시 LED251: display window 252: error display LED

253 : 리셋 LED 254 : 제1통신 LED253: Reset LED 254: First Communication LED

255 : 제2통신 LED 256 : 계측값 이동키255: Second communication LED 256: Measurement value moving key

300 : 제어실 330 : PC300: control room 330: PC

400 : 운전실 410 : HMI400: Cab 410: HMI

상기 목적을 달성하기 위한 본 발명의 특징적인 구성을 설명하면 다음과 같다.Referring to the characteristic configuration of the present invention for achieving the above object is as follows.

본 발명의 수처리 설비의 원격 전력계측 시스템은 수처리 설비에 연결되어 전력량 원격으로 계측하고 계측된 값을 디지털로 표시하는 표시창과 계측되는 단위를 표시하는 단위 표시 LED와, 전력부하량을 막대형으로 표시하는 부하 표시 LED와, 설정 및 계측값 선택을 위한 계측값 이동키로 이루어진 집중표시장치; 및 상기 집중표시장치와 상위 시스템의 사이에 연결되고 계측된 값을 표시하는 표시창과, 자체 진단결과를 출력하는 에러 표시 LED와, 정상운전 또는 리셋여부를 나타내는 리셋 LED와, 하위 시스템과의 통신으로 최대 4개 채널까지 지원 가능한 RS485 통신여부를 표시하는 제1통신 LED와, 상위 시스템과의 통신여부를 표시하는 제2통신 LED와, 설정 및 계측값 선택을 위한 계측값 이동키로 이루어진 통신집중장치를 포함하여서 된 것이다.The remote power measurement system of the water treatment plant of the present invention is connected to the water treatment plant to remotely measure the amount of power and display a digital display of the measured value and the unit display LED to display the unit measured, and to display the power load in the form of a bar A concentrated display device comprising a load display LED and a measured value moving key for setting and selecting a measured value; And a display window connected between the centralized display device and the upper system to display measured values, an error display LED for outputting a self-diagnosis result, a reset LED indicating whether to operate normally or reset, and communication with a subsystem. The communication centralized device consists of a first communication LED indicating whether RS485 communication is available for up to 4 channels, a second communication LED indicating communication with a higher system, and a measurement value moving key for setting and selecting measurement values. It was included.

이와 같은 특징을 갖는 본 발명을 상세하게 설명하면 다음과 같다.Referring to the present invention having such characteristics in detail as follows.

도 2는 본 발명에 따른 전력량 계측 시스템의 요부를 나타낸 블록도이고, 도 3은 본 발명에 따른 전력량 계측 시스템의 집중 표시장치를 나타낸 구성도이며, 도 4는 본 발명에 따른 전력량 계측 시스템의 통신집중장치를 나타낸 구성도이고, 도 5는 본 발명에 따른 전력량 계측 시스템을 나타낸 블록도이다.Figure 2 is a block diagram showing the main part of the power measurement system according to the present invention, Figure 3 is a block diagram showing a centralized display device of the power measurement system according to the present invention, Figure 4 is a communication of the power measurement system according to the present invention Fig. 5 is a block diagram showing a concentrator, and Fig. 5 is a block diagram showing a power measurement system according to the present invention.

여기에서 참조되는 바와 같이 본 발명은 크게 MCC 패널(100), 계기 패널(200), 제어실(300) 및 운전실(400)로 구성되어 있다.As referred to herein, the present invention is largely composed of the MCC panel 100, the instrument panel 200, the control room 300, and the cab 400.

상기 MCC 패널(100)에는 수처리 설비의 펌프 또는 팬에 전원을 공급하는 수처리용 MCC Unit(110)가 설치되어 있다.The MCC panel 100 is provided with a water treatment MCC Unit 110 for supplying power to the pump or fan of the water treatment facility.

상기 계기 패널(200)에는 수처리용 MCC Unit(110)로부터 전원을 인출하는 3상 입력모선(210), 전압을 검출하는 PT(계기용 변압기)(220), 전류를 검출하는 CT(계기용 변류기)(230), 각 수처리 부하의 전력량을 계측하는 디지털 집중표시장치(240), 최대 32대의 디지털 집중표시 제어장치로부터 전력량을 수신하여 상위 시스템에 펄스 또는 통신으로 출력하는 통신집중장치(250)가 설치되어 있다.The instrument panel 200 includes a three-phase input bus 210 for drawing power from the MCC unit 110 for water treatment, a PT (measurement transformer) 220 for detecting a voltage, and a CT (mechanical current transformer for detecting a current). 230, the digital centralized display device 240 for measuring the amount of power of each water treatment load, the communication centralized device 250 that receives the amount of power from up to 32 digital centralized display control devices and outputs to the host system by pulse or communication It is installed.

상기 집중표시장치(240)에는 계측된 수처리 설비의 전력값을 디지털로 표시하는 표시창(241)과 계측되는 단위를 표시하는 단위 표시 LED(242)와, 전력 부하량을 막대형으로 표시하는 부하 표시 LED(243)와, 설정 및 계측값 선택을 위한 계측값 이동키(244)로 이루어져 있다.The centralized display device 240 includes a display window 241 for digitally displaying the measured power value of the water treatment facility, a unit display LED 242 for displaying the unit to be measured, and a load display LED for displaying the power load in a bar shape. 243, and a measured value moving key 244 for setting and selecting the measured value.

상기 통신집중장치(250)에는 계측된 값을 표시하는 표시창(251)과, 자체 진단결과를 출력하는 에러 표시 LED(252)와, 정상운전 또는 리셋여부를 나타내는 리셋 LED(253)와, 하위 시스템과의 통신으로 최대 4개 채널까지 지원 가능한 RS485 통신여부를 표시하는 제1통신 LED(254)와, 상위 시스템과의 통신여부를 표시하는 제2통신 LED(255)와, 설정 및 계측값 선택을 위한 계측값 이동키(256)로 이루어져 있다.The communication concentrator 250 includes a display window 251 for displaying a measured value, an error display LED 252 for outputting a self-diagnosis result, a reset LED 253 for indicating normal operation or reset, and a subsystem. First communication LED 254 for RS485 communication and up to 4 channels for communication with up to 4 channels, second communication LED 255 for communication with the host system, and setting and measurement value selection. It consists of a measurement value moving key 256 for.

한편, 상기 제1통신 방식은 RS485이고 제2통신방식은 RS485 또는 RS232중 어느 하나는 사용하여도 무방하다.Meanwhile, the first communication method may be RS485, and the second communication method may use either RS485 or RS232.

상기 제어실(300)에는 전력량 펄스와 상태신호 접점를 입력하는 DI(DigitalInput)Card(310), 이에 대한 제어를 전담하는 PLC or DCS(320), RS485 & RS422 통신입력을 처리하는 별도의 PC(330)등으로 구성되어 있다.The control room 300 has a DI (DigitalInput) Card 310 for inputting a power pulse and a status signal contact point, a PLC or DCS 320 dedicated to control thereof, and a separate PC 330 for processing RS485 & RS422 communication inputs. And the like.

상기 운전실(400)에는 운전자가 하위로부터 계측되어 수신된 전력량을 감시 및 관리하는 HMI(Human Machine Interface)(410)가 설치되어 있다.The cab 400 is provided with a Human Machine Interface (HMI) 410 for monitoring and managing the amount of power received by the driver from the lower level.

이하 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

먼저, 다수곳에 흩어져 있는 수처리 설비용 각 부하의 전력량은 MCC 패널(100)의 수처리용 MCC Unit(110)에서 각 수처리 설비의 전력량을 계측하게 된다.First, the amount of power of each load for water treatment facilities scattered in a number of places is to measure the amount of power of each water treatment facility in the water treatment MCC Unit 110 of the MCC panel 100.

또한, MCC 패널(100)과 인접한 곳에 설치된 계기 패널(200)에는 수처리용 MCC Unit(110)로부터 3상 입력모선(210)을 통하여 전압검출을 위한 PT(220)와 CT(230)를 통하여 전압과 전류가 검출된 후 집중표시장치(240)에 전송된다.In addition, the instrument panel 200 installed adjacent to the MCC panel 100 has a voltage through the PT 220 and the CT 230 for voltage detection from the water treatment MCC Unit 110 through the three-phase input bus 210. After the overcurrent is detected, it is transmitted to the concentrated display device 240.

상기 디지털 집중표시장치(240)는 각 수처리 부하로부터 수집된 전력량을 자체적으로 표시함과 동시에 통신케이블을 통하여 RS485로 통신집중장치(250)에 송신하는 장치로써 아래와 같은 기능과 특징을 지닌다.The digital centralized display device 240 is a device that displays the amount of power collected from each water treatment load and transmits it to the communication centralized device 250 through RS485 via a communication cable. The digital centralized display device 240 has the following functions and features.

계측값 표시창(241)은 18종(3상전압전류, 유무효전력, 유무효전력량, 역률, 주파수, 순시 최대전력, 수요전류전력, 최대 수요전류전력, 월간 최대수요전력, 월간 누적전류량, 월평균 역률, 역전력, 역전력량)의 전기량을 계측 및 표시하며, 계측정밀도 IEC687 Class1.0 기준 적용, 고휘도 7-Segment 적용한다.The measurement value display window 241 includes 18 types (3-phase voltage current, reactive power, reactive power, power factor, frequency, instantaneous maximum power, demand current power, maximum demand current power, monthly maximum demand power, monthly cumulative current amount, and monthly average). Measures and displays the electric power of power factor, reverse power, and reverse power), and applies measurement standard IEC687 Class1.0 standard and high brightness 7-segment.

단위표시 LED(242)는 상전압 V1, 선간전압 V1-2, 전류 A1, 피상전력 KVA, 최대 유효전력 Peak KW, 역율 PF, 주파수 Hz 등을 선택하여 표시한다.The unit display LED 242 selects and displays phase voltage V1, line voltage V1-2, current A1, apparent power KVA, maximum active power Peak KW, power factor PF, frequency Hz, and the like.

부하표시 LED(243)는 운전 전력량이 정격의 몇 %로 운전되고 있는지를 Bar-Graph LED로 나타낸다.The load display LED 243 indicates by Bar-Graph LED that the operating power amount is operating at what percentage of the rating.

설정 및 계측값 이동키(244)는 4개의 키를 두어 계측 및 표시치를 자유자재로 설정 가능하다.The setting and measured value moving keys 244 can be freely set by placing four keys.

그리고 통신기능은 RS485 MODBUS, DNP3.0, Lon Works의 3종 중 어느 것을 사용하여도 무방하다.And communication function can use any one of three kinds of RS485 MODBUS, DNP3.0, Lon Works.

사용자 인터페이스로는 유지보수용 광포트(IRDA Port)와 응용 S/W를 제공한다.User interface provides maintenance optical port (IRDA Port) and application software.

감시제어용으로 각 4채널의 DIO(Digital Input) 및 2채널의 AI(Analog Input)을 제공한다.Provides 4 channels of DIO (Digital Input) and 2 channels of AI (Analog Input) for supervisory control.

펄스 출력 기능으로는 유효전력량과 무효전력량이 있다.Pulse output function includes active power and reactive power.

통신집중장치(250)는 최대 32대의 디지털 집중표시장치(240)에서 수집된 전력량을 합산하여 자체표시 및 상위 시스템에 전력량을 펄스로 출력하고, 통신집중장치 자기진단결과의 상태신호 접점출력 또는 통신수단(RS485 & RS422)을 통하여 출력하는 장치로써 아래와 같은 기능과 특징을 지닌다.The communication concentrator 250 sums up the amount of power collected by up to 32 digital intensive display devices 240 and outputs the amount of power to the self-display and the host system as a pulse, and outputs the status signal contact output or communication of the self-diagnosis result of the communication concentrator. It is a device to output through means (RS485 & RS422) and has the following functions and features.

계측값 표시창(251)은 20X4 Character형 LCD를 채용하고 백라이트 기능을 내장하여 어두운 곳에서도 잘 보이며, 각 디지털 집중표시 제어장치의 사용 전력량과 총합을 순차적으로 표시된다.Measured value display window 251 employs a 20X4 Character LCD and has a built-in backlight function, so that the measured value display window 251 is well visible in a dark place, and displays the amount of power used and the total of each digital centralized display control device sequentially.

자기진단결과를 표시하는 에러 LED(252)와 정상동작 여부 및 Reset를 표시하는 리셋 LED(254)를 전면에 구비한다.An error LED 252 for displaying a self-diagnosis result and a reset LED 254 for displaying a normal operation status and a reset are provided on the front surface.

디지털 집중표시장치(240) 등 하위 시스템과의 인터페이스에는 모두 4개의 RS485 통신채널을 지원하며, RS485 통신선로에 MODBUS 프로토콜을 채용한다.All four RS485 communication channels are supported for the interface with the sub-system such as the digital centralized display device 240, and the MODBUS protocol is adopted for the RS485 communication line.

상위 시스템과의 통신에는 Ethernet, RS422, RS232C, Pulse등을 채용한다.Ethernet, RS422, RS232C, Pulse, etc. are adopted for communication with the host system.

4개의 설정 및 계측값 이동키(256)를 구비하여 보기 쉽고 수정이 용이하게 한다.Four setting and measurement value moving keys 256 are provided for easy viewing and modification.

한편, 통신 항목에 대한 각 내용은 다음 표 1과 같다.Meanwhile, the contents of the communication items are shown in Table 1 below.

항목Item 내용Contents 하위시스템 I/FSubsystem I / F RS485 4채널RS485 4 channel 상위 시스템 I/FHost system I / F Ethernet, RS422Ethernet, RS422 Modem I/FModem I / F RS232C(상위, 하위모두가능)RS232C (both high and low) 펄스 출력Pulse output 유효 전력량, 무효 전력량Active power amount, reactive power amount 접점출력(DI)Contact output (DI) 시스템 진단정보 접점출력System diagnostic information contact output 통신 프로토콜Communication protocol DNP3.0, MODBUSDNP3.0, MODBUS

제어실(300)은 운전 및 감시용 PLC 또는 DCS(320)와 PC(330)가 위치한 곳으로서, 통신집중장치(250)로부터 출력된 전력량 펄스의 출력과 상태신호 접점은 DI Card(310)를 경유하여 PLC 또는 DCS(320)에 입력되고, RS485 & RS422 출력은 PC(330)에 입력된다.The control room 300 is a place where the PLC or DCS 320 and the PC 330 for operation and monitoring are located, and the output of the power amount pulse output from the communication concentrator 250 and the status signal contact are via the DI Card 310. Is input to the PLC or DCS 320, and the RS485 & RS422 output is input to the PC (330).

통신집중장치(250)의 전력량 펄스 출력기능은 통신으로 계측된 전력량을 1kWh당 1 펄스로 C접점(A접점+B접점)을 출력하며, PLC 또는 DCS(320)의 Scan Time을 고려하여 300ms~2sec 범위 내에서 100ms 단위로 설정하는 것이 바람직하다.The power pulse output function of the communication concentrator 250 outputs a C contact (contact A + B) at 1 pulse per 1 kWh based on the amount of power measured by the communication, and 300 ms ~ in consideration of the scan time of the PLC or DCS 320. It is preferable to set in units of 100ms within the range of 2sec.

운전실(400)은 각 공장의 전 설비를 운전 및 감시하는 곳으로써, HMI(410)에는 제어실(300)의 PLC 또는 DCS(320)에서 제공해 주는 수처리 설비에 대한 적산전력량의 합과 통신집중장치(250)의 동작상태 정보 등을 종합적으로 감시하고 관리 할 수 있는 정보를 제공한다.The cab 400 is a place that operates and monitors all the facilities of each factory. The HMI 410 includes a sum of integrated power amounts and a communication intensive device for a water treatment facility provided by the PLC or the DCS 320 of the control room 300. Provides information to comprehensively monitor and manage operation status information of 250).

이와 같이 본 발명은 수처리 설비를 방문하지 않고도 적산전력량을 원격으로 계측 및 관리하게 되므로 정확한 데이터의 실시간 관리가 가능하게 된다.As described above, the present invention can remotely measure and manage the accumulated power without visiting the water treatment facility, thereby enabling real-time management of accurate data.

Claims (4)

수처리 설비의 펌프 또는 팬에 전원의 공급을 제어하는 MCC 패널(100);MCC panel 100 for controlling the supply of power to the pump or fan of the water treatment plant; 전압, 전류를 검출하여 전력량을 계측하고 표시하는 집중표시장치(240)와, 상기 집중표시장치(240)와 상위 시스템을 연결하는 통신집중장치(250)로 이루어진 계기 패널(200);An instrument panel 200 comprising a concentrated display device 240 for detecting and displaying voltage and current, and a communication concentrated device 250 for connecting the concentrated display device 240 and an upper system; 전력량 펄스와 상태신호 접점을 입력하고 이를 제어하는 PLC와, 통신입력을 처리하는 별도의 PC(330)로 이루어진 제어실(300);A control room 300 comprising a PLC for inputting and controlling a power amount pulse and a state signal contact point, and a separate PC 330 for processing a communication input; 운전자가 하위로부터 계측되어 수신된 전력량을 감시 및 관리하는 HMI(410)가 구비된 운전실(400)을 포함함을 특징으로 하는 수처리 설비의 원격 전력 계측 시스템.And a cab (400) equipped with an HMI (410) for monitoring and managing the amount of electric power received by the driver from the lower part. 제 1 항에 있어서, 상기 집중표시장치(240)는 수처리 설비에 연결되어 전력량 원격으로 계측하고 계측된 값을 디지털로 표시하는 표시창(241)과 계측되는 단위를 표시하는 단위 표시 LED(242)와, 전력부하량을 막대형으로 표시하는 부하 표시 LED(243)와, 설정 및 계측값 선택을 위한 계측값 이동키(244)로 이루어진 구성을 특징으로 하는 수처리 설비의 원격 전력계측 시스템.The display apparatus of claim 1, wherein the centralized display device 240 is connected to a water treatment facility, and has a display window 241 for measuring the amount of power remotely and digitally displaying the measured value, and a unit display LED 242 for displaying the measured unit; And a load display LED (243) for displaying the power load in a bar shape, and a measurement value moving key (244) for setting and selecting a measurement value. 제 1 항에 있어서, 상기 통신집중장치(250)는 집중표시장치(240)와 상위 시스템의 사이에 연결되고 계측된 값을 표시하는 표시창(251)과, 자체 진단결과를 출력하는 에러 표시 LED(252)와, 정상운전 또는 리셋여부를 나타내는 리셋 LED(253)와, 하위 시스템과의 통신으로 최대 4개 채널까지 지원 가능한 RS485 통신여부를 표시하는 제1통신 LED(254)와, 상위 시스템과의 통신여부를 표시하는 제2통신 LED(255)와, 설정 및 계측값 선택을 위한 계측값 이동키(256)로 이루어진 구성을 특징으로 하는 수처리 설비의 원격 전력계측 시스템.The display device of claim 1, wherein the communication concentrator 250 includes a display window 251 connected between the centralized display device 240 and an upper system and displaying measured values, and an error display LED for outputting a self-diagnosis result. 252, a reset LED 253 indicating normal operation or reset, a first communication LED 254 indicating whether RS485 communication can be supported up to four channels in communication with a lower system, and a higher level system. A remote power measurement system for a water treatment plant comprising a second communication LED (255) for indicating communication and a configuration value moving key (256) for setting and selecting a measurement value. 제 3 항에 있어서, 상기 제1통신 방식은 RS485이고 제2통신방식은 RS485 또는 RS232중 어느 하나임을 특징으로 하는 수처리 설비의 원격 전력계측 시스템.4. The remote power measurement system of claim 3, wherein the first communication method is RS485 and the second communication method is either RS485 or RS232.
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