福建中立恒自动化设备有限公司
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。
ABB NSD570 MODULE 1KHW001037R0001 SCHWEIZ AG 1KHW001033P201 AEND :B
GE FANUC IC693ALG392-BE OUTPUT ANALOG
ABB 1KHL015502R0005, N4BD TEBIT PCB Card - WITHOUT
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FANUC A06B-6090-H233 SERVO AMPLIFIER IT
BACNET I/O FLEX EX8160- I/OFX8160 CONTROL EXPANDER
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TRANE X13650396-04 Rev. A Chiller Purge Control Panel Module
ET ErhardtLeimer D0 0100 / 208624 ZC4003-0004U-ZA
Delta Controls DAC-1146E Application Controller
GE Power Controls M-PRO 30/40H Air Circuit Breaker
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Hydrovane Hvnr Model type Aircon L1 Ver. SQHVAE00 Part No 73110-00
SIEMENS /WALLACE TIERNAN CCU AAB2172 CHANGEOVER IT- WITH DAMAGED PART
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AMX FG1061-716 / DGX800/1600-ASB
ABB MicroFlex E150-230VAC Servo Drive E152A03EINA
S2CP471 YOKOGAWA S2CP471-01 STYLE S1 PROCESSOR MODULE
Sick deTec4 Core C4C-SA15030A10000 1211505 LIGHT BARRIER
KYORITSU HIGH VOLTAGE INSULATION TESTER MODEL 3125
ET ErhardtLeimer D0 0100 / 208624 ZC4002-0004U-ZC
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HOPF Elektronik 6844 GPS System - WITHOUT CABLE
MOXA NPort 5610-8 REV 3.1 Device Server 100-24OVAC 47-63HZ 212MA W/O ACCS.
VIGILANT S3000 VS SERIES FOR FIRE ALARM CONTROL IT with Case (HORIZONTAL)
Parker Autoclave VA75M-5.5-0-10 Valve Actuator 60VRMM68112-C4
VIGILANT S3000 VS SERIES FOR FIRE ALARM CONTROL IT with Case ( VERTICAL)
PEPPERLFUCHS R4D0-FB-IA8.0 FISCO/ENTITY Field Barrier
SATCWELL MN650-NCP CONTROLLER
HIRSCHMANN MACH102-8TP-FR
0312-2070-01 PCB BOARD E59746
GRDFOS CU 352 PUMP CONTROLLER 98146952-V05 -WITHOUT ACCESSORIES
YOKOGAWA AAV144-SOO S1 ANALOG INPUT MODULE - WITHOUT
Kollmorgen S200 Series S20350-VTS SERVO DRIVE
YOKOGAWA MW100 DATA ACQUISITION IT MW100-E-1Q SS3
MOXA EDS-G308-2SFP Ethernet Industrial Switch
NICO TECHNOLOGY 3010L R5.2 POWER CONTROLLER
XTRALIS VPS-220-E POWER SUPPLY - WITH
WOODWARD 5466-253 REV H ANALOG COMBO TMR
GVISION P15BX-OB / P15BX / P15BX-OB-93C2-AU43N-MQO2-A Touch Screen
ENDRESS HAUSER 81-RG1A PROSONIC FDU
Saia PCD3.M90OPK010 Chiller Control Device CC01 SMARDT-OPK
STOBER POSIDRIVE FAS 4000/FAS4028 FREQUENCY INVERTER - IT ONLY, NO ACCESSORIES
CASTLET SYSTEM 4 Fire Detection and Alarm Systems
80H1A C0971-SA3 / C0971-3
ABB CP430 T-ETH Control Panel 1SBP260196R1001- Without Accessories
FLUKE 805 VIBRATION METER - Without Any Accessories Included
ABB SNAT 603 CNT / REV: D / SNAT603CNT / Control Board Code: 61007041
SIEMENS RMC30NC-48-XX RUGGEDCOM RMC30NC 56 Bit Encryption
BOSCH AEC-MOD-CPU1 AEC MODULE CPU BOARD AEC-MOD-CPU1
ABB WABC2100 FLOW METER BATTERIES
DENSO TP-RC5-1 TEACH PENDANT FOR PARTS
Canon MK2100 Cable ID Printer PR-T102
SIEMENS 6SC 9811-2BE51 / 459001.9214.51-BROKEN CONNECTOR CLIP
THERMOCOUPLE RTD/PT100 TRANSDUCER SENSOR TRAINER PART 1 - W/O ANY ACCS.
Hager RLC001T Kit Central Radio Hager Logisty Alma Series
Julabo ED Open Bath Heating Emersion Circulator 190-253V/50Hz 9A 230V
SIEMENS 6ES7650-1AM31-6XX0
YOKOGAWA NFDV151 DIGITAL INPUT MODULE NFDV151-P10 S2 W/ NFTB5S-00 S2 CONNECTOR
Siemens QBE3000-D4 Differential Pressure Sensor
IGD TOCSIN-625 ADVANCE GAS DETECTION 5685401
SIEMENS THERMOSTAT CONTROL REGULATOR PANEL RBM100-00 / RVS63.283/260 230V
ABB 6644179A1 HPS MONITOR PANEL
YOKOGAWA AAB841-S00 S2 ANALOG INPUT/OUTPUT MODULE - WITHOUT
ALMIG AIR CONTROL 3 Control Panel -without any accessories
YOKOGAWA AAI135-S00-S2 ANALOG INPUT MODULE - WITHOUT
TELEMECANIQUE MAGELIS MODICON XBT E015010 V2.1 FOR PARTS
Allen Bradley 20A C 015 A 0 AYNANCO PowerFlex
HOMAG F5 09F5CBB-YA00 FREQUENCY INVERTER
WORMALD-SIGNALCO A/S 1011.201 VER.6 PBS-SYSTEM W/O ACCESSORIES
SOCOMEC Controller ATyS C40
Caterpillar EMCP 3.1,3.2 3.3 Controller Panel P/N 227-5802-05 (For Parts)
Johnson Controls Specific Systems FW-28 Control Module E351550
Schneider Electric soft start Power Card ATS48C79Q / VX5G48C79Q
SIEMENS 730230-901 REV.B /SCH 730236 REV.A CIRCUIT BOARD
ADV559 YOKOGAWA ADV559-P01 STYLE S1 DIGITAL OUTPUT MODULE - WITHOUT
LG-Ericsson MG-VMIB.STG Voice Mail interface Board ( 8CHS, 100HRS ) TKSN9106601
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