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集散控制系统(Distributed Control System-DCS)集计算机技术、控制技术、通信技术、CRT技术于一体,广泛应用于生产过程控制系统。随着计算机和网络技术的飞速发展,产生了一种新型的控制系统———现场总线控制系统(Fieldbus Control System-FCS)。但国内生产企业的情况是:大多数企业还处于模拟仪表和人工控制的阶段,采用DCS控制系统的企业仍是少数。由于DCS应用广泛、技术成熟,在现有的技术条件和市场条件下,FCS还不能完全取代DCS,而且目前现场总线设备和系统还十分昂贵。因此,除了新建企业外,国内企业在较长时间不可能全面采用现场总线技术,而必须走逐步发展、过渡的道路。 ??我们在上海石化股份公司环保部水质净化厂监控系统的改造项目中,对3个生产单元已有的DCS和PLC进行改造,增加通信功能,实现总调度室对各生产装置的集中监控。 2?系统改造方案?? 根据水质净化厂各生产单元的功能和建设阶段,分为厂外调节池、污水一段、氧化沟、四期污水处理、污泥脱水、污泥干化6个生产单元。另外,在厂部设有总调度室,但是总调度室的监控水平较为落后,改造之前基本上不能对各个生产单元进行监控。为了适应生产需要,提高生产效率,改善操作条件,加强监控手段,确保各生产装置的正常运行,急需对各生产单元和总调度室进行技术和设备的更新改造,从而能在总调度室对各装置进行监视管理,及时了解各装置的运行情况,达到指挥及时和调度准确的目的。 2.1?现场监控系统的改造 ??现场监控系统的改造要充分利用原有仪表和设备,主要考虑可靠性和实时性。首先对自控程度较高的3个单元进行改造(系统结构见图2—1): ??四期污水处理生产单元控制设备配置了两套ALLEN-BRADELY公司PLC设备。25块开关量输入信号卡,可采集384点信号;7块开关量输出信号卡,可输出112点信号;3块模拟量输入信号卡,可采集24点信号。两套AB—PLC通过DH+(数据高速通道)实现数据共享。在原有的现场控制计算机上分别增加以太网卡,通过以太网将实时数据送到总调度室处理。??输出192点信号;1块模拟量输入信号卡,可采集8点信号。系统运行采用遥控开关操作与全模拟流程盘显示。在原有的Siemens S5-115UPLC上增加RS-232通讯模块(CP524)和1台现场操作站,用点对点方法连接,使PLC的数据通过现场操作站送到以太网上,与总调度室监控计算机通信。但RS-232传输速率只有9600bps,操作站仅对现场起到监视作用。
PARKER GV6-H20R REMANPARKER MPM1901BTG7G1N SERVO MOTOR
PARKER MPM1902CTJ7G1N ELECTRIC MOTOR
PARKER PA10T-133 UNMP
PARKER PA210T-133 NSMP
PARKER RS142-015-LH GEAR HEAD RATIO: 15:1
PARKER S106-205-E NSNP
PARKER TDA032EW09B2NXW NSMP
PARKER TEH050EL09B2NWU24 UNMP
PEPPERL+FUCHS IRI-KHD2-4.RX
PIAB MLL1200
POWER TEN P63D-15440 REV. R REMAN
Pre-Owned
PRO FACE 3180021-01 GP2500-TC11 OPERATOR TOUCH SCREEN PANEL
PROFACE 2780017-01
PRO-FACE 3280035-41 TOUCH SCREEN
PRO-FACE GP2600-TC11 NSMP
PRO-FACE GP570-SC21-24VP TOUCH SCREEN PANEL 24VDC 50W
PRO-FACE GRAPHIC PANEL GP577R-SC11
PROMINENT S3CBH120145PVTS070UD810S1EN PUMP
QUADTECH 7400 (AS PICTURED) UNMP
QUADTECH 7400 UNMP
RAMSEY D07110A-E101 CPU BOARD
Refurbished
RELIANCE 45C322
RELIANCE ELECTRIC 0-57406-H DRIVE CONTROLLER
RELIANCE ELECTRIC 0-57493 NSMP
RELIANCE ELECTRIC 57C410 NSFS
RELIANCE ELECTRIC 812.71.00
RELIANCE ELECTRIC 86466-59S FA5004819
RELIANCE ELECTRIC 915K0100 REGULATOR BOARD
RELIANCE ELECTRIC DC0189ATCZ T18R1102E-GB NSNP
RELIANCE ELECTRIC DC1811ATCZ T18R1102P-SZ NSNP
RELIANCE ELECTRIC DC1811ATCZ T18R1102R-DB NSNP
RELIANCE ELECTRIC MAXPAK III 7P4171-MOD
RELIANCE ELECTRO-CRAFT BRU-200 DM-30 9101-1303 SERVO DRIVE
REMOTE SOLUTIONS SNR-M-75CR-1 NSNP
REXROTH 0811402114
REXROTH 0811404602 4WRPEH6C3B24L-2X/G24K0/A1M NSNP
REXROTH 0811404603 4WRPEH6C3B40L2X/G24K0/A1M NSNP
REXROTH 4WRPEH6C3B04L-20/G24K0/B5M NSNP
REXROTH 5WRPE10F1B70L-2X/G24K0/B5M DIRECTIONAL VALVE
REXROTH DKC01.3-200-7-FW R911285104 (AS PICTURED) NSNP
REXROTH DKC03.3-040-7-FW R911279428 ( AS PICTURED) NSMP
REXROTH DKC03.3-040-7-FW R911279428 NSMP
REXROTH FES50CA-30/1400LK4M R900979360 UNMP
REXROTH HCS03.1E-W0100-A-05-NNNV R911308418 NSMP
REXROTH HDS02.2-W040N REMAN
REXROTH HDS02.3-W100N-HS32-01-FW R911280681 REMAN
REXROTH HDS03.2W100N-HS32-01-FW REMAN
REXROTH HDS04.2-W200N R911285311 REMAN
REXROTH HMS01.1N-W0150-A-07-NNNN SERVO DRIVE AS IS
REXROTH HMV01.1E-W0075-A-07-NNNN UNMP
REXROTH INDRAMAT DKC01.3-200-7-FW (AS PICTURED) NSNP
REXROTH INDRAMAT DKC01.3-200-7-FW REMAN
REXROTH INDRAMAT MAC090A-0-ZD-4-C/110-A-0/WI524LV/S001 UNMP
REXROTH INDRAMAT MAC112A-0-LD-4-C/130-A-0/WI520LV/S005 NSNP
REXROTH INDRAMAT MDD093C-L-030-N2L-110PB0 NSNP
REXROTH INDRAMAT MKD112C-024-KP3-BN MAGNET MOTOR
REXROTH MAC090B-0-PD-3-C/110-B-0/S001 R911223968 NSNP
REXROTH MDD071B-N-040-N2M-095PB1 NSFS
REXROTH MDD093B-N-020-N2L-110PA0 NSNP
REXROTH MDD112C-N-030-N2L-130PB0 3-PHASE PERMANENT MAGNET MOTOR
REXROTH MDD112D-N-030-N2M-130PB2
REXROTH MDD112D-N-030-N2M-130PB2 R911257346 NSMP
REXROTH MKD112B-024-GP0-BN SERVO MOTOR
REXROTH MKR25-110 NSNP
ROEMOUNT 8705TTA015S1W0E1G5B3Q4Q8DT NSMP
ROSEMOUNT 3051S2CD2A2B12A1AB4D1L2 w/1199DDB64AFFWG1DAA1J NSFS
ROSEMOUNT 3051S2CD2A2B12A1AB4D1L2 w/1199DDB64AFFWG1DAA1J NSMP
ROSEMOUNT 3051S2CD4A2A11A1AM5Q8 TRANSMITTER w/ 0305RC32B11B4
ROSEMOUNT 3051SAL2PE1AA1A1000NFF71DA00 0-30PSI NSNP
ROSEMOUNT 5600 SERIES 34SPNCA TANK RADAR AB
ROSEMOUNT 8705TSA040C1W0N5 NSNP
ROSEMOUNT 8711AHA30FU1MK3 w/8732EMT1A1 NSMP
ROSEMOUNT 8732ESR1F4N0D02M5D1GEB UNMP
SAFELINE 45824 METAL DETECTOR HEAD
SAFELINE 62453 METAL DETECTION
SCHAFFNER 3G3RV-PFI3800-SE UNMP
SCHNEIDER AEG MODICON PC-E984-255 PROGRAMMABLE CONTROLLER
SCHNEIDER ELECTRIC ATV930D22N4 NSMP
SCHNEIDER ELECTRIC HMIPCCP2BO7DA0X0JN00 NSMP
SCHNEIDER ELECTRIC HMIPPH7A0701 NSNP
SCHNEIDER ELECTRIC HMIPPH7D0701 NSNP
SCHNEIDER ELECTRIC MAX-4/11/03/032/08/0/0/00 DRIVE
SCHNEIDER ELECTRIC METSEPM8240 NSMP
SCHNEIDER ELECTRIC METSEPM8244 NSMP
SCHNEIDER TSX COMPACT PC-E984-255 PROGRAMMABLE CONTROLLER
SEIMENS 6ES5955-3LC41 REMAN
SEL SEL-487E 0487E42615XXC4X43644XXX (AS PICTURED) NSMP
SEL SEL-487E 0487E42615XXC4X43644XXX NSMP
SERVAX 71-RFB2B DRIVE MOTOR * NEW IN CRATE *
SEW EURODRIVE MXP80A-075-503-00 NSMP
SICK DME3000-111S01 NSMP
SIEDEL 64WKS-M240/50-RLG REMAN
SIEMENS 1FN3300-4WC00-0AA1 LINEAR DRIVE
SIEMENS 1FT5066-0AG71-1-Z NSMP
SIEMENS 1FT5066-1AC71-3EG0 MOTOR w/ HEIDENHAIN ROD 426 3750 02S12-03
SIEMENS 1FT6062-1AF71-3AH1 NSFS
SIEMENS 1FT6064-1AF71-3AG1 NSMP
SIEMENS 1FT6064-6AF1- 3AB0
SIEMENS 1FT6064-6AF71-4AA0 NSMP
SIEMENS 1FT6064-6WF71-4SA0 NSFS
SIEMENS 1FT6064-6WF71-4SA0 NSMP
SIEMENS 1FT6105-1AC71-1AG1 BRUSHLESS SERVO MOTOR
SIEMENS 1P 6AV7240-3CC17-0NA3
SIEMENS 390DM115ACCBN OUTPUT MODULE
SIEMENS 6AV2124-0UC24-0BX0 NSNP
SIEMENS 6AV6 545-5EA20-0CD0 DESIGN MULTI PANEL MP370 TOUCH-12
SIEMENS 6AV6643-0CB01-1AX0 OPERATOR INTERFACE
SIEMENS 6AV6643-0CD01-1AX1 NSFS
SIEMENS 6AV7240-3CC17-0NA3 (AS PICTURED) NSNP
SIEMENS 6DD1688-0AE2 NSMP
SIEMENS 6DD2920-0AD0 NSFS
SIEMENS 6DS1211-8AA NSMP
SIEMENS 6ES5095-8MA03 24VDC NSMP
SIEMENS 6ES5183-3UA13 NSMP
SIEMENS 6ES5318-8MA12 ET100U IM318 I/F MODULE
SIEMENS 6ES5456-7LA11 NSMP
SIEMENS 6ES5464-8MA21 NSFS
SIEMENS 6ES5466-4UA11 NSNP
SIEMENS 6ES5944-7UB21
SIEMENS 6ES5945-7UA13 NSMP
SIEMENS 6ES7-157-0AD81-0XA0 UNMP
SIEMENS 6ES7317-2EK14-0AB0 NSFS
SIEMENS 6GK1105-2AB10 NSFS
SIEMENS 6GK1143-0TA02 NSFS
SIEMENS 6GK7443-1EX20-0XE0 NSMP
SIEMENS 6RA7031-6FV62-0-Z NSMP
SIEMENS 6RY1303-0AA12 UNMP
SIEMENS 6SE3215-2CB40 NSMP
SIEMENS 6SE7021-8TP50-Z NSMP
SIEMENS 6SE7032-7EB87-2DA0 BRAKING UNIT SIMOVERT
SIEMENS 6SL3100-0BE28-0AB0 NSMP
SIEMENS 6SN1123-1AA00-0EA2
SIEMENS 6SN1145-1AA01-0AA2 NSMP
SIEMENS 7ML50042AA101A NSMP
SIEMENS A1-116-100-505-IS08 A1-416-200-003 UNMP
SIEMENS A1-116-100-505-IS08 UNMP
SIEMENS RXD63B200 CIRCUIT BREAKER 2000A
SIEMENS SIMATIC 6AV7466-3AB20-0FH0 OPERATOR PANEL DISPLAY
SIEMENS SIMATIC C7-626 6ES7626-2DG04-0AE3
SIEMENS SIMATIC HMI IPC677C 6AV7894-0HA42-1AB0
SIEMENS SIMATIC IPC827C 6BK1000-8AE10-0AX0 BOX PC
SIEMENS SIMATIC S7 6ES7-414-2XJ01-0AB0 CPU MODULE
SPERRY VICKERS URG106F13 UNMP
SQUARE D 8536SGO1V02S SER. B (AS PICTURED) NSMP
SQUARE D 8536SGO1V02S SER. B NSMP
SQUARE D 8538SDA44 V81AFF4P1T NSMP
SQUARE D 8538SEA23V02A91SX11Y74 NSMP
SQUARE D HU364DSEI
SQUARE D OMEGAPAK 8803-P00CO4L AC DRIVE (AS PICTURED)
SQUARE D SY/MAX 8030-RIM131 HIGH SPEED COUNTER MODULE
SSD 347-2550-9-8-1-010-1010-100 DRIVE
SSD DRIVE 955+8R0030 DRIVE 590P-DRV/500/0011/US/ARM/0/115/0/AUX/0
STAHL 8125/5073-2A-UP RECEPTACLE PANEL
STATOHM DC42NM-3-4 UNMP
STROMBERG UCA86-D2
SUMITOMO CHHM05-6070SK-AV-10 NSMP
T&R TEST EQUIPMENT PCU1-LT NLU5000 UNMP
注:联系我时,请说是在“傲立机床网”上看到的,谢谢!