| 詳細參數(shù) | |||
|---|---|---|---|
| 品牌 | GE | 型號 | IC693MDL250 |
| 結構形式 | 模塊式 | 安裝方式 | 控制室安裝 |
| LD指令處理器 | 硬PLC | I/O點數(shù) | IC693MDL250 |
| 功能 | IC693MDL250 | 工作電壓 | 220 |
| 輸出頻率 | 220 | 處理速度 | 20 |
| 程序容量 | 10 | 數(shù)據(jù)容量 | 20 |
| 產(chǎn)品認證 | ccc | 環(huán)境溫度 | 10 |
| 環(huán)境濕度 | 10 | 加工定制 | 否 |
| 重量 | 1 | 產(chǎn)地 | 美國 |
| 外形尺寸 | 10 | ||
IC693MDL250
IC693MDL250
IC693MDL250
IC693MDL250
本設計的內容是PLC控制的恒壓供水系統(tǒng)，主要用到了PLC和變頻器，系統(tǒng)采用變頻調速方式自動調節(jié)水泵電機的速度，改變了以往先啟后停的方式，系統(tǒng)能夠自動和手動完成各個泵的啟動、停止和無沖擊切換，以及故障報警，使水壓平穩(wěn)過渡。
在恒壓供水控制系統(tǒng)設計中，對變頻器控制也進行了必要的講解。包括變頻原理，變頻器的分類以及參數(shù)的設定。其硬件由PLC、變頻器、電機、繼電器等組成。詳細的論述了PLC的原理、變頻器的原理、硬件設計、軟件設計；操作、參數(shù)設定、控制系統(tǒng)圖的設計。
在設計中利用PLC控制變頻器，采用PID控制器，形成以壓力為閉環(huán)的控制系統(tǒng)，從而實現(xiàn)供水壓力的恒定，而泵的啟動和停止可以自動和手動來實現(xiàn)的。該系統(tǒng)運行可靠，抗干擾性強，且具有經(jīng)濟性。
【關鍵詞】可編程控制器（PLC）；變頻器；繼電器；PID控制器
隨著變頻調速技術的發(fā)展和人們對生活飲用水品質的不斷提高，變頻恒壓供水系統(tǒng)以逐漸取代原有的水塔供水系統(tǒng)，廣泛應用于多層住宅小區(qū)生活消防供水系統(tǒng)。然而，由于新系統(tǒng)多會繼續(xù)使用原有系統(tǒng)的部分舊設備，所以，此技術用在對原有系統(tǒng)的改造過程中，既可以體現(xiàn)變頻控制恒壓供水的優(yōu)勢，又可以盡量保留原有的設備，有效的節(jié)省了大量的資金，并且可以保證系統(tǒng)的可靠的運行。
1.1變頻調速恒壓供水設計方案
通過安裝在出水管網(wǎng)上的壓力傳感器，把出口壓力信號變成4-20mA的標準信號送入PID調節(jié)器，經(jīng)運算與給定的壓力進行比較，得出一比較參數(shù)，送給變頻器，由變頻器控制電機的轉速，調節(jié)系統(tǒng)的供水量，使供水管網(wǎng)上的壓力保持在給定的壓力上，當用水量超過一臺泵的供水量時，通過PLC控制切換器進行加泵。根據(jù)用水量的大小由PLC控制工作泵的數(shù)量增減及變頻器對水泵的調速，實現(xiàn)恒壓供水。當供水負載變化時，輸入電機的電壓和頻率也隨之變化，這樣就構成了以設定壓力為基準的閉環(huán)控制系統(tǒng)。此外，系統(tǒng)還設有多種保護功能，充分保證了水泵的及時維修和系統(tǒng)的正常供水。
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KJ3004X1-EA1 FISHER ROSEMOUNT FIELDBUS H1 INTERFACE
OMRON GPC03 GRAPHIC PROGRAMMING CONSOLE, W/ ACCESSORIES
11800-PR01D STAR AUTOMATION SEQUENCE BOARD NEW
GE FANUC AFE TECHNOLOGIES CONTROL PANEL IC752DFT000A
FANUC A06B-0142-B075 SERVO MOTOR a12/2000
1551471 MTI-1 BRIDGEPORT INTERFACE CARD NEW
YOKOGAWA PARKER COMPUMOTOR DYNASERV SR1030B62 DD SERVO
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A16B-1210-0970/?04B FANUC AXIS CONTROL BOARD NEW
10MAIO-16 DAYTRONIC BOARD LOGIC I/O BOARD NEW
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GRACO BACK PRESSURE REGULATOR MODEL LSPBR 1000 NEW
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PRESSROOM ELECTRONICS PRESSCAM 8 JUNIOR W/ RESOLVER?
GE FANUC 90-30 CPU PROCESSOR MODULE PN# IC693CPU331-CD
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YOKOGAWA DARWIN DCV/TC/RTD INPUT MODULE DU100-11 S1
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HAPCO VERSITOOL METAL-IT APPLICATOR MODEL 100
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RAYTEK INFRARED TEMPERATURE SENSOR MODEL RAYET3LTSF NEW
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ALLEN BRADLEY 1784-KTX SER. B COMMUNICATIONS INTERFACE
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RAYTEK INFRARED TEMPERATURE SENSOR MODEL RAYET3LTSF NEW
OMRON DRT2-ROS16 REMOTE TERMINAL 24 VDC?
PMI MOTION TECHNOLOGIES 0088056001 TYPE VXA 48-8-16
PINNACLE SYSTEMS INC. MICROGUARD MG-24-24-AB-20-?SC?
03900-A1-A01-07 IEE INTEGRATED DISPLAY KEYBOARD SYSTEM
CENCO VACUUM PUMP 1/2 HP 115 VAC CAT# 91142?
KJ3001X1-BD1 FISHER ROSEMOUNT DI MODULE NEW IN BOX
FUGI ELECTRIC 250 AMP CIRCUIT BREAKER MODEL BU-KSB 600V
A16B-1210-0020 FANUC BOARD FOR RF NEW
ALLEN BRADLEY 1784-KTX SER. B COMMUNICATIONS INTERFACE
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ALLEN BRADLEY 100-B110NZ*3 CONTACTOR 75 HP 120V COIL
NORDSON 273378E HOT MELT GLUE HOSE GLUE MACHINE NEW
HELM INSTRUMENT CO. INC. 10,000 LB. LOAD CELL ILS-H10
SENSOTEC JEC LINEAR TRANSDUCER PN# 060-H032-02
OMRON 3G2A5-LK201-V1 HOST LINK UNIT C500 LK201 V1
GE FANUC 90-30 ANALOG INPUT IC693ALG220F
ALLEN BRADLEY 1305-BA03A VFD 1 HP 480V 1201-HA2 HIM?
TSB151 TSUBAKI SHOCK RELAY
FUGI ELECTRIC 225 AMP CIRCUIT BREAKER MODEL BU-JSB 600V
A.O. SMITH 1/4 HP COMBUSTION BLOWER MOTOR FOR AAON RTU
ALLEN BRADLEY 1746-NIO4V COMBINATION ANALOG I/O MODULE
ALLEN BRADLEY 1734D-IB8X0W8 POINT I/O 1734DIB8X0W8 NEW
SENSOTEC IN-LINE AMPLIFIER PART# 060-6827-06?
KJ30001X1-BC1 FISHER ROSEMOUNT DI MODULE NEW IN BOX
KJ3001X1-BK1 FISHER-ROSEMOUN?T DO MODULE NEW IN BOX
