MIT9301

MIT9301

MIT9301

MIT9301

一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。

它采用可以编制程序的存储器，用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令，并能通过数字式或模拟式的输入和输出，控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。在工业生产的各个领域，机械加工企业为了提高生产效率，采用机械化流水作业的方式，对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代，生产线承担的加工对象也随之改变，这就需要改变控制程序，使生产线的机械设备按新的工艺过程运行，而继电接触器控制器系统是采用固定接线，很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多，随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。

　　发展趋势：1.向高速度、大容量方向发展

　　为了提高PLC的处理能力，要求PLC具有的响应速度和更大的存储容量。目前，有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。

　　在存储容量方面，有的PLC可达几十兆字节。为了扩大存储容量，有的公司已使用了磁泡存储器或硬盘。

　　2.向超大型、超小型两个方向发展

　　当前中小型PLC比较多，为了适应市场的多种需要，今后PLC要向多品种方向发展，特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC，其使用32位微处理器，多CPU并行工作和大容量存储器，功能强。

Square D HC2683B Panelboard Enclosure Type 1 83" High x 26" Wide

Square D HDL36020 20 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC HD 060 HD060

Square D HL01 Handle Lock Attachment  (TB)

Square D HOM115 15 Amp 1 Pole Circuit Breaker 120/240 VAC HOM 115

Square D HOM120 20 Amp 1 Pole Circuit Breaker 120/240 VAC HOM

Square D HPAFK Circuit Breaker Handle Pad Lock

Square D HU361AWKEI 30 Amp 600 Volt 3 Pole Heavy Duty Safety Switch Disconnect

Square D HU362DS 60 Amp 600 Volt 3 Pole Heavy Duty Safety Switch Disconnect

Square D HU363RB 100 A 600 VAC 250 VDC 3 Pole Safety Switch Disconnect HU-363-RB

Square D HU364AWK 200 Amp 600 Volt 3 Pole Heavy Duty Safety Switch HU-364AWK

Square D KAL361501021 150 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC KAL KAL36

Square D LAF3640036MV1027 400 Amp 3 Pole Circuit Breaker 600 AC LAF36400 LA11027

Square D LAL2640036M8002 400 Amp 2 Pole Circuit Breaker 600 VAC LAL

Square D LAL36250 250 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC LAL LAL36 LA

Square D LAL36400MB 400 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC LAL LAL36400

Square D LAP36400MBZ 400 Amp 3 Pole Circuit Breaker 600 VAC LAP LAP36400

Square D LJB490LT 4 " x 4 " Inch Wireway 90 Degree Elbow

Square D MA36600 600 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC MA MA36

Square D MAL36700 700 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC MAL

Square D MAL36800 800 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC MAL

Square D MAP36600 600 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC MAP MAL

Square D MHL360008M 800 Amp 3 Pole Circuit Breaker 600 VAC 250 VDC MHL

Square D Modicon XBT PM027110 Telemecanique Magelis C1700 Data Entry XBTPM027110

Square D Q0200TR 60 Amp 240 VAC 1 Phase 2 Wire 10 HP Enclosed Molded Case Switch

Square D Q1360VH 60 Amp 240 VAC 3 Pole Circuit Breaker Q1

Square D Q2L3175 175 Amp 240 VAC 3 Pole Circuit Breaker Q2L

Square D Q2L3225 225 Amp 240 VAC 3 Pole Circuit Breaker Q2L-3225

Square D Q2M3225MB 225 Amp 3 Pole Circuit Breaker 240 VAC Q2M-3225-MB

Square D Q2M3225MBZ 225 Amp 3 Pole Circuit Breaker 240 VAC Q2M-3225-MBZ

Square D Q432350 350 Amp 240 VAC 250 VDC 3 Pole Circuit Breaker Q432

Square D Q432400 400 Amp 240 VAC 250 VDC 3 Pole Circuit Breaker Q432

Square D QDL32200 200 Amp 3 Pole Circuit Breaker 240 VAC QD QD200 QDL

Square D QMB362TW 60 Amp 600 Volt Ser. E1 Panelboard Branch Switch QMB

Square D QMB363TW 100 Amp 600 Volt Ser. E1 Panelboard Branch Switch QMB

Square D QO115 15 Amp 1 Pole Circuit Breaker 120/240 VAC QO

Square D QO120 20 Amp 1 Pole Circuit Breaker 120/240 VAC QO (TB)

Square D QO130 30 Amp 1 Pole Circuit Breaker 120/240 VAC QO (TB)

Square D QO340 40 Amp 3 Pole Circuit Breaker 240 VAC QO

Square D QOB115 15 Amp 1 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB120 20 Amp 1 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB140 40 Amp 1 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB170 70 Amp 1 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB220 20 Amp 2 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB225 25 Amp 2 Pole Circuit Breaker 120/240 VAC QOB

Square D QOB260VH 60 Amp 2 Pole Circuit Breaker 120/240 VAC QOB

Square D QOT120 20 Amp 2 Pole Circuit Breaker 120/240 VAC QOT (TB)

Square D QOT215 15 Amp 2 Pole Circuit Breaker 120/240 VAC QOT QO-T

Square D QOU110 10 Amp 1 Pole Circuit Breaker 120/240 VAC QOU

Square D QOU115 15 Amp 1 Pole Circuit Breaker 120/240 VAC QOU

Square D QOU215 15 Amp 2 Pole Circuit Breaker 120/240 VAC QOU

Square D QOU315 15 Amp 3 Pole Circuit Breaker 240 VAC QOU

Square D S47074 Push In Wire Terminal

Square D SDSA3650 Secondary Surge Arrester SDSA 3650

Square D SEP080 59703 T87 SEPAM 59703+04+15190019+C16 SQ1T87B 59707

Square D SKHL3125 125 Amp 480 VAC 3 Pole Circuit Breaker SKHL

Square D SL100 100 Amp 3 Pole Circuit Breaker 600 VAC SL

Square D Sy/Max 8020 SCP-424 Rev 4.0 Ser E 400 Processor 8020SCP-424 SCP424

Square D Sy/Max 8030 CBP-320 RS422 Isolator Protector CBP320 8030CBP-320 SyMax

Square D Sy/Max 8030 CC-20 Power Supply Cable 8030 CC20 8030CC20 SyMax

Square D Sy/Max 8030 CRM250 Rev 2.2 Ser A2 Passport IO System CRM-250 8030CRM250

Square D Sy/Max 8030 CRM-510 Rev 5 Ser H2 Sy/Net Interface 8030CRM-510 SyMax

Square D Sy/Max 8030 PS-31 Ser B9 120 VAC Power Supply 8030PS-31 PS31

Square D Sy/Max 8030 RRK-100 Ser. E1 5 Slot Rack Chassis 8030RRK-100 RRK100

Square D Sy/Max 8030-RIM101 Input Module RIM101 RIM-101 Ser. B SyMax

Square D Sy/Max 8030-RIM101 Input Module RIM101 RIM-101 Ser. C1 SyMax

Square D Sy/Max 8030-ROM271 Relay Output Module ROM271 ROM-271 Ser. A1 SyMax

Square D Sy/Max 8030-ROM271 Relay Output Module ROM271 ROM-271 Ser. B1 SyMax

Square D TBXDMS16C222 8 IN / 8 OUT, 2A Solid State, 24VDC w/Wiring w/ TBXCBS010

Square D TBXDSS1622 16 OUT, .5 A Solid State, 24VDC w/Wiring w/ TBXCBS010

Square D VSD07 U18 S60 590 VAC In 1 HP VFD Motor Drive VSD07U18S60

Square D Y1B130 30 Amp 1 Pole Circuit Breaker 277 VAC Y1B Y1-EH

SR6V-.6A-DCB Lamp Light Bulb SR6V.6ADCB

SS304 1" Pipe Stainless Steel 304 1010826 Weld Ferrule 2" O.D. Flange 63-03

SSAC FS130 Solid State Flasher

SSAC TDMB211D Time Delay Relay 24 VAC

SSAC TRM120A2X10 Solid State Time Delay Relay 3779 0.1-10 Seconds

SSAC TRM120A2X60 Solid State Time Delay Relay 3778 1-60 Seconds

Stainless Steel SS 304 1 " O.D. T Tee 3 3/4" Long

Stainless Steel SS 304 2 " O.D. T Tee 4 1/4" Long

Stancor 10H21A 10 Amp 125/250 VAC

Stancor P-8665 Control Transformer P8665 117 VAC Primary 24 V Secondary

Stearns 105602100BPF 6 lb-ft 95/115 208-230/174-190 VAC Clutch Brake

Stearns 1064F Output Assy

Stearns 1065F Reg. Assy. Regulator Assembly

Stearns RCVR 1067F Receiver PC Computer Board

Stemco 351-250480 Thermostat L550 351250480

StepSyn 103H8223-0944 Stepping Motor DC 4 A 1.8 Degree Step 103H82230944 Sanyo

Sterling Electric SBO014PCA 1 HP 3 Phase 208-230/460 VAC 1720 RPM 56C Motor