810-046015-010

810-046015-010

810-046015-010

810-046015-010

DCS在控制上的大特点是依靠各种控制、运算模块的灵活组态，可实现多样化的控制策略以满足不同情况下的需要，使得在单元组合仪表实现起来相当繁琐与复杂的命题变得简单。随着企业提出的高柔性、益的要求，以经典控制理论为基础的控制方案已经不能适应，以多变量预测控制为代表的控制策略的提出和成功应用之后，过程控制受到了过程工业界的普遍关注。需要强调的是，广泛应用各种控制与优化技术是挖掘并提升DCS综合性能有效、直接、也是具价值的发展方向。

在实际过程控制系统中，基于PID控制技术的系统占80%以上，PID回路运用优劣在实现装置平稳、、运行中起到举足轻重的作用，各DCS厂商都以此作为抢占市场的有力竞争砝码，开发出各自的PID自整定软件。另外，根据DCS的控制功能，在基本的PID算法基础上，可以开发各种改进算法，以满足实际工业控制现场的各种需要，诸如带死区的PID控制、积分分离的PID控制、微分先行的PID控制、不完全微分的PID控制、具有逻辑选择功能的PID控制等等

Sprecher + Schuh L10-NJ030P3 Molded Case Switch Disconnect On/Off

SPRECHER + SHUH RELAY 120V COIL , CS -22Z

SPRECHER+SCHUH CA 3-72-1CONTACTOR CA 3-72+CT3 SIZE 2-3/72A 380/440V COIL

SPRECHER+SCHUH CONTACTOR 110/120V COIL , CA7-12-M40

SPRECHER+SCHUH CT 3-12 OVERLOAD RELAY 2.5 - 4.0 RANGE

SPRECHER+SCHUH CT 4-9 OVERLOAD RELAY 7.5 - 9.0A RANGE

Sprecher+Schuh L10-NJ030P3 Disconnect Switch 30A 30 Amp 600Vac

SPRECHER+SCHUH LE7-25-1753 DISCONNECT SWITCH w OPERATING HANDLE

Sprecher+Schuh Manual Motor Controller Switch 40 amp 40A 600VAC 7.5 -15 HP

SPRINGER CONTROLS OVERLOAD RELAY , JL1T

SPX 119-232.0" 13QT CLAMP 30STAINLESS Q-LINE SANITARY FITTING

SPX 29-715X 14WQ 3" 316L Female Short Weld Ferrule SS-316 WCB-FLOW PRODUCTS

SPX BC-1 Battery Cabinet BC1

SPX PROCESS EQUIPMENT BPE 316L STAINLESS STEEL ELBOW FITTING TUBE S2S-7

Square D - ASCO 400 Series Surge Protection Device 430240HP10ACAJ

SQUARE D .075 KVA CONTROL TRANSFORMER 120/240 PRI 2SEC , 9070KF75D23

SQUARE D 0.KVA TRANSFORMER PRI: 440/480V SEC: 120V

Square D 100 amp 600 VAC FHL26000M4200 Molded case switch 2 pole grey label

Square D 15 Amp 1 Pole 120/240 Volt MC-1845 Bolt in Circuit Breaker

SQUARE D 15T125H 15KVA TRANSFORMER HV: 440 LV: 220Y/127

SQUARE D 2 PUSH BUTTON ENCLOSURE

SQUARE D 20 AMP, 3P, 480V FA34020 CIRCUIT BREAKER

Square D 2510 Switch Box Cover

SQUARE D 2510KGJ2S10MOTOR STARTING SWITCH

SQUARE D 25FW2 083SERIES B MANUAL STARTER

SQUARE D 25KW2 MANUAL MOTOR STARTING SWITCH

SQUARE D 2VOLT COIL 9998 CRL 618 , 9998CRL618

SQUARE D 30 AMP CLIP-ON CIRCUIT BREAKER 3 POLE 240 VAC QO330 BLACK FACE

SQUARE D 30 AMP POLE BOLT-ON CIRCUIT BREAKER QOB130

SQUARE D 3020 PMD-32 POWERLOGIC POWER METER

SQUARE D 31032-036-55 LIMIT SWITCH OPERATING HEAD REPLACEMENT

SQUARE D 31035-075-66 ADJUSTABLE OVERLOAD RELAY

SQUARE D 31063-400-45 COIL

SQUARE D 3S1F 3.0 KVA TRANSFORMER PRI: 240/480V SEC: 120/240V DRY TYPE 1-PHASE

SQUARE D 440/480 VOLT COIL , 1775 SU24A

SQUARE D 440/480V COIL , 2936-S1-C33A

SQUARE D 460R-480 VOLTAGE TRANSFORMER

Square D 500KCMIL-2/0 Lug 500CMIL20

SQUARE D 600 VOLT TERMINAL BLOCKS ASSEMBLY KIT CLASS 9080 TYPE K-77732

Square D 60179 Merlin Gerin Breaker C60N 3 Pole 15 Amp 20950

SQUARE D 74R-601-002 CURRENT TRANSFORMER 600:RATIO

Square D 8003 CP35 Micro-1 Micro Controller Series A1 8003-CP35

Square D 8501 RS24V20 Relay

Square D 8501-KPD-12 General Purpose Relay 8501KPD-12

SQUARE D 8501NR42B SERIES B RELAY SOCKETS

Square D 8501-NR45 Relay Base 8501NR45

Square D 8501-RS14 Relay

Square D 8501RSD44V53 Series B Miniature GP Relay

SQUARE D 8501XUDO80V56 UTILITY AUXILIARY RELAY TYPE X

SQUARE D 8502 PD2.10E CONTACTOR SER B 120V COIL - QUANTITY

Square D 8502 PED 4.00 E  8502 PED 4.00E

SQUARE D 8502-PE5.00E CONTACTOR 32A 120V COIL w 8502 PE5.10E AUX BLOCK

Square D 8502-SCG2 V81 CFF4 G122 P42 P46 TX22 Contactor Enclosure

SQUARE D 850A0-40 MACHINE TOOL RELAY ENCLOSURE AMP 600V

SQUARE D 850AO-20 SIZE 00 AC MAGNETIC RELAY 10A 600V

SQUARE D 850CO-AC CONTROL RELAY 24V COIL

SQUARE D 850CO-AC CONTROL RELAY with 4323-S240V COIL

SQUARE D 850D060-S2 CONTACTOR 10A AMP 600VAC 110/120V COIL

SQUARE D 850G020 CONTROL RELAY SERIES D

SQUARE D 850L0-20 CONTROL RELAY SERIES A

SQUARE D 850L0-80 CONTROL RELAY

SQUARE D 8536 A0SIZE 00 CONTACTOR 120V COIL 8536 AO1

Square D 8536 SB0-2 S A EX Motor Starter Size 0

Square D 8536 SB0-2 S A Motor Starter

SQUARE D 8536 SE0NEMA SIZE 3 STARTER 50HP 600VAC 120V COIL

Square D 8536SAG12V02S, AC Magnetic Motor Starter, NEMA, Size 00 3 Ph 3 Pole

SQUARE D 8536SBG2H20 SIZE 0 CONTACTOR 208V COIL with 9065SS020 OVERLOAD RELAY

SQUARE D 8536-SBO2S MOTOR STARTER

SQUARE D 8536-SCG3S SIZE MOTOR STARTER ENCLOSURE

SQUARE D 8536SF01S SIZE CONTACTOR 120V COIL w 9065 SR4OVERLOAD RELAY 135A

Square D 8839 EFD-C-G-2-VY-B07-B08-A09 E-FLEX Device 8839EFD

SQUARE D 8903 L020 LIGHTING CONTACTOR 9998 L4120V COIL

SQUARE D 8903 L030 LIGHTING CONTACTOR 120V COIL SERIES C

Square D 8910 KO-3 8910KO3 Contactor 24 VAC Coil

SQUARE D 8965 R01S6 SER D HOIST CONTACTOR

SQUARE D 89DPA 33 SER B CONTACTOR

Square D 9001 BW252 Series A Push Button Station

Square D 9001 K2L7R21H13 Mushroom Pushbutton Switch Red

Square D 9001 KT-1RS PUSH TO TEST PILOT LIGHT

Square D 9001 KYC-203 Start-Stop SS Control Station

Square D 9001 LA-1 N.C. Contact Block

Square D 9001 TY LMA1 Light Module 9001-TY-LMA1

Square D 9001KM1 Light Module

SQUARE D 9001KP35G3GREEN PILOT LIGHT SERIES J

SQUARE D 9001-KR5RH5 RED MUSHROOM PUSH BUTTON

SQUARE D 9003 K4F1272N CONTACT BLOCK

SQUARE D 9003 K4YM1246Q CONTACT BLOCK MULTI STEP SWITCH

SQUARE D 9003 K5 B002A CAM ROTARY SWITCH 32A 2-POLE 660V