SIS系统卡件3625
·过程控制以计算机控制作为主流。近年来，计算机技术的飞速发展正迅速改变着工业自动化的现状，传统的生产过程计算机控制系统已仅仅是一个狭义的概念，现代计算机控制系统的含义已被大大扩展 ，它不仅包含我们最熟悉的各种自动控制系统、各种顺序逻辑控制系统、各种自动批处理控制系统及联锁保护系统，还包括了各生产工段和各生产车间的优化调度系统，以及整个企业的决策系统和管理系统。本文重点分析作为现代工业顺序逻辑控制的可编程逻辑控制PLC、现代工业主流的集散型控制系统(DCS)和未来工业主流的现场总线控制系统(FCS)及其相互关系。
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TRD MANUFACTURING 3/4" NPT ALIGNMENT COUPLER, SS-AC-100...
MARTIN 20-60PSI SIZE 10 VIBROLATOR MODEL BD *NEW NO BOX...
TECHNICAL CONCEPTS AUTOCLEAN 1-1/2 INCH CONNECTION KIT,...
ALLEN BRADLEY 2NO+2NC FRONT MOUNTING AUXILIARY CONTACT ...
BRAD HARR***N WOODHEAD 4 PIN FEMALE CORDSET 104001A01F1...
ALCO CONTROLS 500 PSIG 1/2 IN. SAE LIQUID LINE FILTER D...
BRAD HARR***N WOODHEAD DEVICENET 5 PIN CABLE ASSEMBLY D...
THOMAS AND BETTS GROUND BAR CLAMP JAB34H *NEW, LOT OF 4...
TURCK 4 PIN FEMALE CORDSET RK4T-2 / U2151 *NEW*
SOFIMA 6-3/8IN. X 3IN OAL HYDRAULIC FILTER FAM11MDCB4B-...
DWYER 25PSI SERIES 3000 PRESSURE SWITCH/GAGE A3003 *NEW...
FOSTER 3/4 INCH COUPLER *NEW, SEALED* LOT OF 5
AMETEK USG 2-1/2"DIAL 5000PSI 1/4"NPT LIQUID FILLED PRE...
WIKA 2-1/2" DIAL 100 PSI 1/4" NPT PRESSURE GAUGES, 8990...
FALK 6-1/4IN. OD 3-1/2IN. ID 1/8IN. NPT STEELFLEX COUPL...
APOLLO 800 CWP 316SS 1-1/2 IN. NPT 3-PIECE BALL VALVE, ...
ABB SCM 600:5,CURRENT TRANSFORMER, 50-400 Hz, 10KV BIL,...
AGRF STORES 1-1/4IN. NPT M35X1.5 SLOTTED RING NUTS DIN ...
TIMKEN 30MM I.D. 64MM. O.D. TAPERED ROLLER BEARING W/ C...
FESTO 10MM TUBE O.D. PUSH-IN STRAIGHT FITTINGS, QS-10 *...
COOPER B-LINE 1/4IN. NPT WASHER SPLICE KIT 00015596 *NE...
FESTO 1/4 & 3/8 IN. DOUBLE NIPPLE THREADED FITTINGS, E-...
FESTO 1/8IN. DOUBLE NIPPLE THREADED FITTINGS W/ RINGS, ...
FESTO 1/8 & 1/4 IN. DOUBLE NIPPLE THREADED FITTINGS, E-...
FESTO 1/8 & 1/4 IN. DOUBLE NIPPLE THREADED FITTINGS, E-...
FESTO 3/8IN. DOUBLE NIPPLE THREADED FITTINGS W/ RINGS, ...
APPLETON 4 HOLE RAISED DUPLEX OUTLET COVER PLATE 8371N ...
FKD 2-1/4IN. OD 1-5/8IN. ID PRECISION LOCKING NUT ZM40 ...
TPC WIRE & CABLE .31IN. - .56IN CORD DIA. 1/2IN. KNOCKO...
HAM-LET 3/8 INCH TUBE O.D. STRAIGHT UNION FITTINGS, 76...
LUBRICATION SYSTEM COMPANY 5IN. OD 7-1/8IN. ID LUBRIMAT...
SPECTRO WIRE AND CABLE FEMALE BULLET CONNECTOR 402335 *...
MOTION INDUSTRIES 013 BUNA O-PACK O-RINGS, 00619763 *NE...
PARKER 1" NPT FEMALE 37 DEGREE FLARE SWIVEL FITTINGS, 1...
PHD INC. 14MM BORE 1/2" STROKE PNEUMATIC SLIDE, SBL1 14...
BINKS AIR NOZZLE FOR SPRAY GUN, 78P *NEW NO BOX*
TURCK EUROFAST 4 PIN MALE/ FEMALE CORDSET RKC 4.4T-6-RS...
SKF 17MM I.D. 47MM O.D. DEEP GROOVE BALL BEARING, 6303-...
1/2" NPT CAST IRON TEE FITTING VALVES, *NEW LOT OF 21*
SLOAN 3.5 GPF/13.2 LPF WATER CLOSET FLUSHOMETER REBUILD...
LEGRIS 3/8 IN. O.D. 3/8 IN. NPT MALE ELBOW FITTINGS, 31...
BLUE-WHITE 4.0-40 GPM 15-155 LPM 1" FLOWMETER, F-451004...
LUMBERG MINI RECEPTACLE CONNECTOR, RKF 501-677/6F
NIBCO 4 INCH NOM. SIZE SLIP X SLIP COUPLINGS, 429-040 *...
SKF 35MM I.D. 72MM O.D. YOKE TYPE TRACK ROLLER BEARING,...
ASHCROFT 2-1/2" DIAL 3000 PSI LIQUID FILLED PRESSURE GA...
FESTO PRESSURE REGULATORS W/ PRESSURE GAUGE, LRMA-QS-6 ...
BRASS ELBOW FITTING IN MALE (9 THREAD) X IN FLARE (7 ...
HLU HI-LIGHT 1-3/8" BORE 4-BOLT FLANGE BEARING, SBF207-...
