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。
ADVANTECH POS-563 PC BOARD 1907056302 , POS563
ADVANTECH POS-563 PC BOARD 1907056302 , POS563
ADVANTECH POS-563 PC BOARD 1907056302 , POS563
AE174537-1 BOARD
AE174537-1 BOARD
AEE A-128/8 RECTIFIER BOARD A-128 A128A 01F4576
AEE A-128/8 RECTIFIER BOARD A-128 A128A 01F4576
AEES 1005 6003791-01 PCB CARD WITH 828-03-01 FACE A
AEES 1005 6003791-01 PCB CARD WITH 828-03-01 FACE A
AEES 1005 6003791-01 PCB CARD WITH 828-03-01 FACE A
AEES 1005 6003791-01 PCB CARD WITH 828-03-01 FACE A
AEG 087365 PCB CARD
AEG 087365 PCB CARD
AEG 272.301 118F PCB CARD
AEG 272.301 118F PCB CARD
AEG AUTOMATION SYSTEMS 4D95335G01 INTRFACE BOARD
AEG AUTOMATION SYSTEMS 4D95335G01 INTRFACE BOARD
AFA-MINERVA 637(1/04659) PCB CARD 703(1/04660)
AFA-MINERVA 637(1/04659) PCB CARD 703(1/04660)
AFA-MINERVA 637(1/04659) PCB CARD 703(1/04660)
AFA-MINERVA 637(1/04659) PCB CARD 703(1/04660)
AGASTAT 7012 L9F LLHORIZ TIME DELAY RELAY 1-10 MIN 220V 60HZ
AGASTAT 7012 L9F LLHORIZ TIME DELAY RELAY 1-10 MIN 220V 60HZ
AGG ALSTOM MOPN02 aag alstom mopn02
AGG ALSTOM MOPN02 aag alstom mopn02
AGIE USA ADB-11A PC BOARD 629.202.3 ADB11A
AGIE USA ADB-11A PC BOARD 629.202.3 ADB11A
AGIE USA LPS-20 PC BOARD 617.941.0 LPS20
AGIE USA LPS-20 PC BOARD 617.941.0 LPS20
AGIE USA STB-01 A TERMINAL BOARD 621.762.4 STB01A
AGIE USA STB-01 A TERMINAL BOARD 621.762.4 STB01A
AGIE USA STB-01 A TERMINAL BOARD 621.762.4 STB01A
AGIE USA STB-01 A TERMINAL BOARD 621.762.4 STB01A
AGIE USA STB-02 B PC BOARD 621.752.5 STB02B
AGIE USA STB-02 B PC BOARD 621.752.5 STB02B
AGIE USA STB-02 B PC BOARD 621.752.5 STB02B
AGIE USA STB-02 B PC BOARD 621.752.5 STB02B
AGIE USA STB-03 A TERMINAL BOARD 621.792.1 STB03A
AGIE USA STB-03 A TERMINAL BOARD 621.792.1 STB03A
AGIE USA STB-06 B PC BOARD STB06B
AGIE USA STB-06 B PC BOARD STB06B
AGV ELECTRONICS 3112-005-001 REV. A CONTROL BOARD 3112005001
AGV ELECTRONICS 3112-005-001 REV. A CONTROL BOARD 3112005001
AI515CLM CIRCUIT BOARD
AI515CLM CIRCUIT BOARD
AIRCO 84A218326 BOARD
AIRCO 84A218326 BOARD
AJAX MAGNETHERMIC 72011A25 TEMPERATURE MONITOR BOARD
AJAX MAGNETHERMIC 72011A25 TEMPERATURE MONITOR BOARD
AJAX MAGNETHERMIC 72030A01 CIRCUIT BOARD MRS-05-0158 U-01-0205 MK-A
AJAX MAGNETHERMIC 72030A01 CIRCUIT BOARD MRS-05-0158 U-01-0205 MK-A
AJAX MAGNETHERMIC 72030A01 CIRCUIT BOARD U-01-0205MK-A
AJAX MAGNETHERMIC 72030A01 CIRCUIT BOARD U-01-0205MK-A
AJAX MAGNETHERMIC 72074A01 TEMP/PRESSURE MONITOR BOARD U-01-0595
AJAX MAGNETHERMIC 72074A01 TEMP/PRESSURE MONITOR BOARD U-01-0595
AJAX MAGNETHERMIC 72074A01 TEMP/PRESSURE MONITOR BOARD U-01-0595
AJAX MAGNETHERMIC 72074A01 TEMP/PRESSURE MONITOR BOARD U-01-0595
AJAX MAGNETHERMIC 72091A01 PULSE DRIVER BOARD
AJAX MAGNETHERMIC 72091A01 PULSE DRIVER BOARD
AJAX MAGNETHERMIC 72093A01 PC BOARD U-01-0226 MK-A
AJAX MAGNETHERMIC 72093A01 PC BOARD U-01-0226 MK-A
AJAX MAGNETHERMIC 72093A01 PC BOARD U-01-0226 MK-A
AJAX MAGNETHERMIC 72093A01 PC BOARD U-01-0226 MK-A
AJAX MAGNETHERMIC CORP. U-02-0891-7 MK-A DIGITAL METER BOARD U0208917MKA
AJAX MAGNETHERMIC CORP. U-02-0891-7 MK-A DIGITAL METER BOARD U0208917MKA
AJAX MAGNETHERMIC SC-72032A01 CIRCUIT BOARD SC72032A01
AJAX MAGNETHERMIC SC-72032A01 CIRCUIT BOARD SC72032A01
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD SC72032A03
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD SC72032A03
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD U0102137 SC72032A03
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD U0102137 SC72032A03
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD U0102137 SC72032A03
AJAX MAGNETHERMIC SC-72032A03 CIRCUIT BOARD U0102137 SC72032A03
AJAX MAGNETHERMIC SC-72061A00 CIRCUIT BOARD SC72061A00 J-02-0375-1
AJAX MAGNETHERMIC SC-72061A00 CIRCUIT BOARD SC72061A00 J-02-0375-1
AJAX MAGNETHERMIC SC-72061A00 CIRCUIT BOARD SC72061A00 J-02-0375-1
AJAX MAGNETHERMIC SC-72061A00 CIRCUIT BOARD SC72061A00 J-02-0375-1
AJAX MAGNETHERMIC SC-72074A00 TEMP/PRESSURE BOARD U-01-0595 SC72074A00
AJAX MAGNETHERMIC SC-72074A00 TEMP/PRESSURE BOARD U-01-0595 SC72074A00
AJAX MAGNETHERMIC SC-72086A01 INTERFACE BOARD U010233 MK-A
AJAX MAGNETHERMIC SC-72086A01 INTERFACE BOARD U010233 MK-A
AJAX MAGNETHERMIC SC-72086A01 INTERFACE BOARD U010233 MK-A
AJAX MAGNETHERMIC SC-72086A01 INTERFACE BOARD U010233 MK-A
AJAX MAGNETHERMIC SC-72087A01 REGULATOR CARD SC72087A01
AJAX MAGNETHERMIC SC-72087A01 REGULATOR CARD SC72087A01
AJAX MAGNETHERMIC SC-72087A62 REGULATOR CARD SC72087A62
AJAX MAGNETHERMIC SC-72087A62 REGULATOR CARD SC72087A62
AJAX MAGNETHERMIC SC-72089A INVERTER CONTROL BOARD U-01-0230 MKU
AJAX MAGNETHERMIC SC-72089A INVERTER CONTROL BOARD U-01-0230 MKU
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD SC72090A01
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD SC72090A01
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD SC72090A01
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD SC72090A01
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD U-01-0229 MK-B SC72090A01
AJAX MAGNETHERMIC SC-72090A01 BRIDGE CONTROL BOARD U-01-0229 MK-B SC72090A01
AJAX MAGNETHERMIC SC-72091A01 PULSE DRIVER BOARD SC72091A01
AJAX MAGNETHERMIC SC-72091A01 PULSE DRIVER BOARD SC72091A01
AJAX MAGNETHERMIC SC-72092A11 CIRCUIT BOARD SC72092A11 U-01-0561-L
AJAX MAGNETHERMIC SC-72092A11 CIRCUIT BOARD SC72092A11 U-01-0561-L
AJAX MAGNETHERMIC SC-72092A63 FAULT PROTECTION BOARD SC72092A63
AJAX MAGNETHERMIC SC-72092A63 FAULT PROTECTION BOARD SC72092A63
AJAX MAGNETHERMIC SC-72092A63 FAULT PROTECTION BOARD SC72092A63
AJAX MAGNETHERMIC SC-72092A63 FAULT PROTECTION BOARD SC72092A63
AJAX TOCCO D-215566 SOLID STATE RADIO FREQUENCY INVERTER SATELITE BOARD
AJAX TOCCO D-215566 SOLID STATE RADIO FREQUENCY INVERTER SATELITE BOARD
AJAX TOCCO D-215566 SOLID STATE RADIO FREQUENCY INVERTER SATELITE BOARD
AJAX TOCCO D-215566 SOLID STATE RADIO FREQUENCY INVERTER SATELITE BOARD
AJAX TOCCO U-02-1836-02 PC BOARD 75401A20
AJAX TOCCO U-02-1836-02 PC BOARD 75401A20
AJAX U-01-1052-10-B AMPLIFIER BOARD 72012A10 U01105210B
AJAX U-01-1052-10-B AMPLIFIER BOARD 72012A10 U01105210B
AKO AKO-DF143230009 UNIVERSAL DIGITAL TEMPERATURE CONTROLLER 230V
AKO AKO-DF143230009 UNIVERSAL DIGITAL TEMPERATURE CONTROLLER 230V
AKO AKO-DF143230009 UNIVERSAL DIGITAL TEMPERATURE CONTROLLER 230V
AKO AKO-DF143230009 UNIVERSAL DIGITAL TEMPERATURE CONTROLLER 230V
AKRON CRANE 034-655 PC BOARD 034655
AKRON CRANE 034-655 PC BOARD 034655
AL ORO 901369/926 CIRCUIT BOARD V8803 901369926
AL ORO 901369/926 CIRCUIT BOARD V8803 901369926
AL ORO V8803 CIRCUIT BOARD PC826
AL ORO V8803 CIRCUIT BOARD PC826
ALBATROSS 37767522 TBSL RS232 ISOLATED ADAPTER PCB CARD
ALBATROSS 37767522 TBSL RS232 ISOLATED ADAPTER PCB CARD
ALBATROSS 37767548 TBSL RS232 ISOLATED ADAPTER PCB CARD
ALBATROSS 37767548 TBSL RS232 ISOLATED ADAPTER PCB CARD
ALBATROSS 37913068 INTERFACE PCB MODULE 37913092
ALBATROSS 37913068 INTERFACE PCB MODULE 37913092
ALBATROSS 37925823 TB_DI_ISO INTERFACE PCB CARD 37925849
ALBATROSS 37925823 TB_DI_ISO INTERFACE PCB CARD 37925849
ALBATROSS 37925823 TB_DI_ISO INTERFACE PCB CARD 37925849
ALBATROSS 37925823 TB_DI_ISO INTERFACE PCB CARD 37925849
ALBATROSS 37925823 TB_DI_ISO INTERFACE PCB CARD 37925849
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