1785-L40B現貨 in stock! 歡迎來電咨詢~！！

　　工業循環水軋鋼工業中占有非常重要位，其水溫高低直接影響到加熱爐和軋機等設備安全和使用壽命。為及時準確對循環水進行監控，萊鋼軋鋼廠中小型車間水處理采用浙大中控SUPCON JX—300X DCS控制系統。DCS控制系統把計算機、儀表和電控技術融合一起，實現了數據自動采集、處理、工藝畫面顯示、參數超限報警、設備故障報警和報表打印等功能。并此基礎上開發了針對循環水溫溫度閉環控制。
　　2、系統介紹
　　SUPCON JX—300XDCS采用高速工業以太網Scnet作為其過程控制網絡，系統由工程師站、操作站、控制站、過程控制單元等組成，配置靈活。水處理系統規模，水處理SUPCON DCS系統設計了1個控制站，1個操作站設置安全級別可兼做工程師站)，構成兩級結構。控制站是現場級，直接與現場設備交換數據，完成整個工業過程實時監控功能。操作站(兼工程師站)是監督控制級，即可完成對系統組態、又可實現對現場級檢測、控制、保護功能管理。SUPCON JX—300X DCS系統SCKey組態軟件是一個全面支持該系統各類控制方案組態軟件平臺。 SCKey組態軟件可完成整個系統控制站組態(系統I/O組態、控制方案組態等)、操作站組態(畫面設置、系統流程圖組態、系統報表組態等)。系統構成如圖1所示。
　　3.1 方案設計
　　從生產熱線循環回來工業水流入1#、2#吸水井散熱，并吸水井塔頂1#和2#風機進行降溫，然后1#、2#吸水井底部共用一個出水管為下一個工序供水，水溫要求控制30oC以下。本系統吸水井出水管處安裝Cu50熱電阻對水溫檢測，把溫度信號T1送入DCS處理器，控制規律運算后給出控制信號，控制變頻器來改變電機輸入電壓頻率，來改變電動機轉速，帶動風機降溫，構成一個閉環溫度控制系統。變頻器選用兩臺日本SANKEN(300KW)通用型變頻器，控制原理如圖2所示。
　　循環水吸水井底部熱交換特點，對1#、2#吸水井兩臺風機電機進行主/副控制，主/副電機不同速度曲線驅動風機運轉。1#、2#電機可互為主/副電機選擇，極大方便了操作工操作。
　　3.2 軟件實現
　　為方便操作人員操作，操作站創建循環水溫度監控畫面，可線顯示循環水溫度、變頻器速度反饋、報警等，進行1#、2#風機電機啟停控制和主/副選擇控制。并切換安全等級線修改主/副電機控制回路中溫度、轉速等控制參數。
　　針對循環水溫度調節存大滯后性特點，對1#、2#風機電機采用分段控制方法，主/副電機控制曲線如圖3所示：當循環水溫度低于20oC時，主/副風機電機變頻器輸出電壓頻率均為20HZ。當循環水溫度變高時，主控制回路中變頻器輸出電壓頻率跟隨增大，當循環水溫度高于24oC時，主電機全工頻運轉。副電機循環水溫度升至23oC時，副控制回路增大副電機輸入電壓頻率，提高風機轉速，當循環水溫度高于28oC時，副電機全工頻運轉，與主電機一起為循環水快速降溫。

85107-20004, 08510-60102, 08510-60101

SIEMENS 6SE3-225-5DJ40 USPP 6SE32255DJ40

BARDAC PLX145/330 USPP PLX145330

CAMCO 601RDM0H24-360 USPP 601RDM0H24360

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SIEMENS 6SE2122-3AA21 NSFP 6SE21223AA21

INDRAMAT MAC-090A-0-RD-4-C/110-A-0-WI524LV-S001 USPP MAC090A0RD4C1101

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SIEMENS 6ES5 464-8MC11 -FS- 6ES54648MC11

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PROVOX 37A8986X012 NSPP 37A8986X012

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AC Electric Motor Drive - 25 HP - 480 Volt - Three Phase Input

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75 HP FUJI FRN075F1S-4U Variable Frequency Inverter 400-480 V 105 Amp

RELIANCE ELECTRIC 802420-R USPP 802420R

ALLEN BRADLEY 2750ASPR NSPP 2750ASPR

ALLEN BRADLEY 1771-QDC NSFP 1771QDC

HYDRAULIC VALVE DIVISION D41FHE0-2F4VB0020 USPP D41FHE02F4VB0020

XYCOM 9450 USPP 9450

TOTAL CONTROL PRODUCTS QPICTDE0000-A USPP QPICTDE0000A

GRACO C27340 NSFP C27340

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Texas Instruments 500-5023

Spirent/Zarak Abacus 81-01504-00 Analog Circuit Interface Module

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SIEMENS CS51 6DD1660-0AH1 6DD1660-OAH1 good in conditionindustry use

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0010-09187 wASY MINICONTROL

MODICON MM-PMC2-40-SC USPP MMPMC240SC

ALLEN BRADLEY 150-A97NBD USPP 150A97NBD

ALLEN BRADLEY 1326AB-B2E-11 NSPP 1326ABB2E11

GENERAL ELECTRIC 0621L0437-G001 USPP 0621L0437G001

SQUARE D 8536-SGO1-V02S USPP 8536SGO1V02S

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ALLEN BRADLEY SP-151135 USPP SP151135

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Square D ATV66D12N4

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Roland VG-99 V-Guitar Multi Effects Processor System with GK-3 Pickup

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AllenBradley2711-T10G1/D2711T10G1Panelview1000

Allen Bradley VersaView 1700P Interface Panel Catalog 6181F-17TPXPH Series D

ABB EHW-250WC-1L Size 5 Welding Isolation Contactor

Advanced Energy 3150073-001 AE RF-10S, RF Generator, 1000W Novellus G19-10071-00

(L18) 1 ALLEN BRADLEY 1785-L40C CONTROL NET PROCESSOR CPU PLC-5/40C L18

LECROY 9112 USPP 9112

ALLEN BRADLEY 1100-AOD93 USPP 1100AOD93

FUJI ELECTRIC FRN7.5G11S-4EN USPP FRN75G11S4EN

FANUC A06B-0632-B011 USPP A06B0632B011

SICK OPTIC ELECTRONIC LUT1-420 USPP LUT1420

RELIANCE ELECTRIC 0-52855 NSFP 052855

SICK OPTIC ELECTRONIC CLV430-6010 NSFP CLV4306010

Siemens 6ES5 464-8MF21 ANALOG INPUT MODULE IN BOX

Siemens 6ES5-942-7UA12 NSPP 6ES59427UA12

SIEMENS 6ES5-431-8MC11 USPP 6ES54318MC11

Siemens 6ES5 700-8MA11

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SIEMENS C73040-A51-C154-02-85 J2 Worldwide

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Square D 8010 SFI-510

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WS-C6506-E CATALYST 6506 ENHANCED CHASSIS 6 12RU

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Reliance 57C421B

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Schneider Modicon AS-B360-001 USPP ASB360001

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Schneider Modicon AS-B814-108 Output Module Relay NO/NC 5A/30VDC 4A/230VAC 8PT

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Advantech PCL-813B DAQ Card

Allen-Bradley 1756-OB32 A ControlLogix 32pt DC10...31.2V Output Module w/cable

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HONEYWELL 80360206-001 USPP 80360206001

TAYLOR ELECTRONICS 6214BZ10110C USPP 6214BZ10110C

DANFOSS FCM307-P-T4-C55-ST-R1-D0-F00-X-4-00-B34-100-1-D0-495154 NSFP FCM307PT4C5

CONTROL TECHNIQUES M25R-14ICD NSFP M25R14ICD

OMRON V530-R150EP-3 NSPP V530R150EP3

MODICON 557-VIC-106-60 USPP 557VIC10660

GENERAL ELECTRIC IC3603A177CG6 USPP IC3603A177CG6

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SIEMENS 6ES5-318-8MC12 6ES5318 6ES5318-8MC12 PLC ET200U

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Kingspec Flash DOM Disk On Module 2GB/2G 44Pin Vertical IDE Interface PATA MLC

YASKAWA ELECTRIC JAMSC-B2110AV USPP JAMSCB2110AV

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Siemens OP270 6AV6542-0CC10-0AX0 HMI Touchscreen

Red Lion DT3A0400

Schneider Modicon AS-B827-032 24 VDC Input ASB827032

Schneider Modicon AS-8535-000 NSFP AS8535000

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Schneider Modicon AS-B231-501

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Modicon/Schneider PanelMate PM+ 1000 Modbus MMPMMP003C

SIEMENS SIMATIC TI305-01N INPUT 24 VDC MODULE TI30501N

Telemecanique Proximity Switch Sensor XS2-D12PA140C NIB

Siemens Simatic S5 6ES5451-8MD11 Output Module 8MD11 Refurbished

SIEMENS / TI 505-4908 RELAY OUTPUT MODULE

SIEMENS Sinumerik DMP Module Modul 6FC5111-0CA01-0AA0

SIEMENS 6SN1113-1AB01-0BA1 6SN11131AB010BA1

SIEMENS SIMODRIVE 6SN1123-1AB00-0HA1 with 6SN1118-0AE11-0AA1

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ADVANTECH PCL-747+ CPU Module

Allen-Bradley 2711-M14 Monitor

ABB 57310001-MP

Acme T-2A-350012-3S 112.5 KVA 480 X 480/277 Volt Transformer - T295

Aaronia HyperLOG 30180 Antenna -

85051-60006 Beatty Standard; replaced by 85051-60011

SIEMENS 6GF3010-0HE15-0CS0 USPP 6GF30100HE150CS0

ASEA BROWN BOVERI QDBB-153M USPP QDBB153M

ASEA BROWN BOVERI 57360001-HG USPP 57360001HG

MITSUBISHI HC-H702S-A42 NSFP HCH702SA42

INDRAMAT KDF1.1-100-300-W1/220 USPP KDF11100300W1220

ALLEN BRADLEY 8600-1870X USPP 86001870X

SYMAX 8994-SYS80 USPP 8994SYS80

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SIEMENS 6ES5 466-8MC11 -FS- 6ES54668MC11

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Siemens S5 6ES5 421-8MA11 6ES54218MA11 Dgital Input 24VDC

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PROLOG NDC-S911 NSPP NDCS911

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Omron 3G2A5-ID219

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Schneider Modicon AS-EM85-301 NSPP ASEM85301

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