价格 | 面议 |
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区域 | 全国 |
来源 | 厦门亿佳天辰贸易有限公司 |
详情描述:
DCS多层分级控制系统 DCS的基本设计思想是采用控制分散、操作和管理集中的思路,实现多层分级控制和合作的结构。目前,主要应用在冶金、电力和石化等领域。 DCS 是实现多层分级控制的系统,在使用的过程中具有两个基本的分级环节:现场控制单元和操作站。 DCS基本分级环节 ● 现场控制单元: 指远离控制中心而在现场附近使用的控制系统,可根据DCS本身机构实现对现场的监控和控制。现场控制单元的使用需要准备不同的设备,如配置插件,即根据系统的要求配置相应的中央处理器插件、电源插件和通信插件等,为后期的分级控制奠定基础; 冗余配置是分级控制系统中重要的环节之一,在配置的过程中要对主机插件、电源插件和通信插件等实现冗余配置;实现随现场的分级控制和监测需要对不同的硬件添加DCS,确保分级控制的可靠性。 ● 操作站: 操作站中记录并显示控制系统中的不同数据,是展示人机交互的场所,常用的操作站中包括系主机控制、显示设备和键盘输入设备等,是主要使用人工操作记录和反馈的场所,主要实现显示不同数据、报警和操作等多种重要功能。 RX-1370, RELIANCE ELECTRIC 610293-5A BATTERY BACKUP UNIT EXPANSION RFL-60 RELIANCE ELECTRIC FUSE RELIANCE-1967 Gear Data Slide Chart-Reliance Electric Company Cleveland, Ohio Reliance/State Ind. 9000429 Element Removal Wrench Reliance/Rockwell MDI Splitter Cable AK-U0-RJ45-SC1 RELIANCE/BRUSH CLASS RK5 ECSR 35, 600V FUSE, LOTS OF 3 Reliance, RFL200, Rectifier Fuse Reliance, KON 200, Fuse Reliance XPCB Screw-On Caps Thread Diameter-3/8" Aluminum Reliance Wound Closure Strips 3mm x 75mm 10 pouches Reliance VLDB Voltage Detector PC Board 0-51847-1 - RELIANCE Vacuum Take-off Adapter 14/20 RELIANCE UNIVERSAL SUMMING MODULE 51862-1 REMANUFACTURE Reliance Twist Lock Cable Plug L1420P 20 amp 125/250V UL Reliance TSSA PC Board 0-52839 052839 52839 RELIANCE TR-10479/64977 88-R TRANSFORMER ***NNB*** Reliance T-Power L1420P L14-20 20 Amp 125/250V Twist Lock Generator Plug - RELIANCE TLOA CONTROL CARD 0-52806 RELIANCE TIME DELAY,DUAL ELEMENT ECNR 250 FUSE ............ VL-48 RELIANCE TIME DELAY, DUAL ELEMENT, FUSE 100A. LENRK 100 YF-323A RELIANCE TIME DELAY, DUAL ELEMENT, CURRENT LIMITING FUSE ECSR150 ....... VE-47 RELIANCE TIME DELAY, DUAL ELEMENT ECNR 400 FUSE ............ VL-50A Reliance Time Delay Fuse ECSR-15 Reliance Time Delay Fuse #ECSR-100 Reliance Time Delay ECSR 1 Amp 600 Volt Lot of 6 Reliance Time Delay Dual Element, 200 Amp ECSR200 *FREE SHIPPING* Reliance Time Delay Dual Element Current Limiting Fuse ECSR80 Reliance Terminal Block Model 800756-A Reliance Telecom Signal Circuit Protector 391S 393G RELIANCE TACHOMETER MODULE CIRCUIT BOARD D-52806 102776 RELIANCE TACHOMETER CIRCUIT BOARD MODULE 0-52806-1 102664 Reliance Switch Receiver Circ Board 057008 0-57008 remf RELIANCE SUPPRESSOR ~ PART #600686-33AA ~ NIB Reliance SSCA 0-51874 Control Board As Is Reliance SP500 AC Drive Installation Operation Manual, Ver 3.1, D2-3356-3 Reliance SP500 AC Drive Installation Operation Manual, Ver 3.1, D2-3356-2 Reliance SCR Diode Stud 410403-8AB Z2 4104038ABZ2 Reliance SCLRR60 Fuse 600V 60A Reliance SCLRR 15 Fuse 600V 15A Class RK1 Reliance SCLR-2 Current Limiting Fuse SCLR2 Class RK1 - No Box Reliance Rocker 602345-14A 602345 14A 60234514A RELIANCE RFS 70 BLADE TYPE RECTIFIER FUSE 70 AMPS 600V MAX NNB RELIANCE RFC60 FUSE 60A 600V Reliance RFA-2 130V AC 2 Amp 2A Rectifier Fuse NOS NO BOX Reliance RFA-10 130V AC 10 Amp 10A Rectifier Fuse NOS NO BOX Reliance Resistor 63481-6K 75WL RELIANCE RESISTOR 63481-6G Reliance Resistor 570 OMH 500W 63481-17H RELIANCE REPLACEMENT PART ELECTRIC MOTOR 609012-5A RELIANCE REP215A MOTOR BRUSHES RELIANCE REP 313A MOTOR BRUSHES Reliance Reltec 392SVSR2 Ventsafe Gas Protector TF001035 FF001035 Reliance Reliwash First Aid Sterile Eye Wash 250ml Bottle (Single) Reliance Relilint First Aid Nurse Absorbent Cotton Lint 15g Reliance Relilint First Aid Nurse Absorbent Cotton Lint 15g Reliance Relicrepe Crepe Support Bandage 10cm x 4.5metres Qty 6 RELIANCE RELE-66 CARBON BRUSH ***NNB*** Reliance Relay Coil 78098-D 120VAC (B162)
联系人 | 张工 |
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