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。
以下链接皆有货
IAI RPC0N-42P-H (D1-2C) RPCON-42P-H (D1-2C) Robo Net PCON
IAI RPC0N-42P-H (D1-2C) RPCON-42P-H (D1-2C) Robo Net PCON
IAI RPC0N-42P-H (D3-6C) RPCON-42P-H (D3-6C) Robo Net PCon
IAI RPC0N-42P-H (D3-6C) RPCON-42P-H (D3-6C) Robo Net PCon
IAI RPC0N-56P-ABU RPCON-56P-ABU ROBO NET Pcon
IAI RPC0N-56P-ABU RPCON-56P-ABU ROBO NET Pcon
IAI SC0N-C-100A-NP-2-1 SCON-C-100A-NP-2-1 Drive w/ Breakage
IAI SC0N-C-100A-NP-2-1 SCON-C-100A-NP-2-1 Drive w/ Breakage
IAI SC0N-C-20I-NP-2-1 SCON-C-20I-NP-2-1 SC0NC20INP21 Servo Drive Controller
IAI SC0N-C-20I-NP-2-1 SCON-C-20I-NP-2-1 SC0NC20INP21 Servo Drive Controller
IAI SC0N-C-30DIHA-NP-2-1 SCON-C-30DIHA-NP-2-1 Rotary Actuator
IAI SC0N-C-30DIHA-NP-2-1 SCON-C-30DIHA-NP-2-1 Rotary Actuator
IAI SC0N-CA-60I-NP-5-2 SCON-CA-60I-NP-5-2 Actuator Controller
IAI SC0N-CA-60I-NP-5-2 SCON-CA-60I-NP-5-2 Actuator Controller
IAI SCON-150I-NP-2-1 SC0N-150I-NP-2-1 Servo Drive Controller
IAI SCON-150I-NP-2-1 SC0N-150I-NP-2-1 Servo Drive Controller
IAI SCON-C-100I-NP-2-2 SCONC100INP22 Controller Drive
IAI SCON-C-100I-NP-2-2 SCONC100INP22 Controller Drive
IAI SCON-C-150I-NP-2-2-PI SCONC150INP22PI Controller
IAI SCON-C-150I-NP-2-2-PI SCONC150INP22PI Controller
IAI SCON-C-200I-NP-2-1-KI SC0N-C-200I-NP-2-1-KI Controller Drive
IAI SCON-C-200I-NP-2-1-KI SC0N-C-200I-NP-2-1-KI Controller Drive w/ Breakage
IAI SCON-C-200I-NP-2-1-KI SC0N-C-200I-NP-2-1-KI Controller Drive
IAI SCON-C-200I-NP-2-1-KI SC0N-C-200I-NP-2-1-KI Controller Drive w/ Breakage
IAI SCON-C-30DI-NP-2-1 SC0N-C-30DI-NP-2-1 Drive Controller Made in Japan
IAI SCON-C-30DI-NP-2-1 SC0N-C-30DI-NP-2-1 Drive Controller Made in Japan
IAI SCON-C-600I-NP-2-2 SCONC600INP22 Drive
IAI SCON-C-600I-NP-2-2 SCONC600INP22 Drive
IAI SCON-C-60I-NP-2-1-KI SCONC60INP21KI Servo Drive Controller
IAI SCON-C-60I-NP-2-1-KI SCONC60INP21KI Servo Drive Controller
IAI SCON-C-60I-NP-2-2-KI SCONC60INP22KI Servo Drive Controller
IAI SCON-C-60I-NP-2-2-KI SCONC60INP22KI Servo Drive Controller
IAI SCON-C-750I-NP-2-2-KI SC0N-C-750I-NP-2-2-KI Drive Controller
IAI SCON-C-750I-NP-2-2-KI SC0N-C-750I-NP-2-2-KI Drive Controller
IAI SCON-CA-200A-NP-2-1 (466) SC0N-CA-200A-NP-2-1 (466) Servo Drive
IAI SCON-CA-200A-NP-2-1 (466) SC0N-CA-200A-NP-2-1 (466) Servo Drive
IAI SEL-GDS-3-AC-20.30D.30BD-1 SELGDS3AC2030D30BD30BD1 SEL Controller TypeGX AC
IAI SEL-GDS-3-AC-20.30D.30BD-1 SELGDS3AC2030D30BD30BD1 SEL Controller TypeGX AC
IAI XSEL-J-2-100IL-60IL-N1-EEE-2-1 XSELJ2100IL60ILN1EEE21 X-SEL Controller
IAI XSEL-J-2-100IL-60IL-N1-EEE-2-1 XSELJ2100IL60ILN1EEE21 X-SEL Controller
IAI XSEL-J-2-100L.60L-1 XSELJ2100L60L1 X-SEL Controller
IAI XSEL-J-2-100L.60L-1 XSELJ2100L60L1 X-SEL Controller
IAI XSEL-J-2-200I-100I-N1-EEE-2-2 X-Sel Controller
IAI XSEL-J-2-200I-100I-N1-EEE-2-2 X-Sel Controller
IAI XSEL-J-2-200I-100I-N1-EEE-2-2 X-SEL Controller w/ Breakage
IAI XSEL-J-2-200I-100I-N1-EEE-2-2 X-SEL Controller w/ Breakage
IAI XSEL-J-3-100I-60I-100I-P1-EEE-2-1 IAI XSELJ3100I60I100 X-sel Controller
IAI XSEL-J-3-100I-60I-100I-P1-EEE-2-1 IAI XSELJ3100I60I100 X-sel Controller
IAI XSEL-J-3-200A-100ABLM-100ABS-N1-EEE-2-2 Controller
IAI XSEL-J-3-200A-100ABLM-100ABS-N1-EEE-2-2 Controller
IAI XSEL-J-3-400A-150AB-60A-N1-N2EE-2-2 Controller
IAI XSEL-J-3-400A-150AB-60A-N1-N2EE-2-2 Controller
IAI X-SEL-JI-2-30.20-1 X-Sel Controller
IAI X-SEL-JI-2-30.20-1 X-Sel Controller
IAI X-SEL-JI-2-30D.20-1 XSELJI230D201 X-Sel Controller
IAI X-SEL-JI-2-30D.20-1 XSELJI230D201 X-Sel Controller
IAI XSEL-P-2-100I-100I-N3-EEE-2-2 Controller
IAI XSEL-P-2-100I-100I-N3-EEE-2-2 Controller
IAI XSEL-P-4-400ALM-400AS-400ABLM-400ABS
IAI XSEL-P-4-400ALM-400AS-400ABLM-400ABS
IB780 Industrial Main Board w/o Heatsink and Fan
IB780 Industrial Main Board w/o Heatsink and Fan
IBM 110-83X9569-01 83X9569 Board
IBM 110-83X9569-01 83X9569 Board
IBM 2210-127 2210127 8MB DRAM MultiProtocol Router-tipo
IBM 2210-127 2210127 8MB DRAM MultiProtocol Router-tipo
IBM 2210-14T 221014T 16MB DRAM Token Ring Router
IBM 2210-14T 221014T 16MB DRAM Token Ring Router
IBM 2210-24T 221024T 16MB DRAM Token Ring Router
IBM 2210-24T 221024T 16MB DRAM Token Ring Router
IBM 3588-F3B 3588F3B LTO Ultrium 3
IBM 3588-F3B 3588F3B LTO Ultrium 3
IBM 3863 SERVER HARDWARE
IBM 3863 SERVER HARDWARE
IBM 59X7272 101-7147-03 Power Supply 130W 220VAC 2.0A
IBM 59X7272 101-7147-03 Power Supply 130W 220VAC 2.0A
IBM AE Control Card 3
IBM AE Control Card 3
IBM CA04N6757 FN24A2
IBM CA04N6757 FN24A2
IBM CTO MT-M PHASE 8106-CTO Think Centre dekstop PC
IBM CTO MT-M PHASE 8106-CTO Think Centre dekstop PC
IBM DCA-T19 Power Supply Offline Converter Assy
IBM DCA-T19 Power Supply Offline Converter Assy
IBM FRV 82G2397 YX 110-06H3857 220-06H3857 System Motherboard
IBM FRV 82G2397 YX 110-06H3857 220-06H3857 System Motherboard
IBM M/T-M 1879-PAM eServer xSeries 336
IBM M/T-M 1879-PAM eServer xSeries 336
IBM M/T-M 1879-PBA 1879PBA eServer xSeries 336 Server Epedited Shipping
IBM M/T-M 1879-PBA 1879PBA eServer xSeries 336 Server Epedited Shipping
IBM M-T 1879-PBG eServer xSeries 336
IBM M-T 1879-PBG eServer xSeries 336
IBM M-T 8676-22X Server
IBM M-T 8676-22X Server
IBM M-T 8676-GAX eServer xSeries 335
IBM M-T 8676-GAX eServer xSeries 335
IBM P 41L5448 P41L5448 Power Supply Unit
IBM P 41L5448 P41L5448 Power Supply Unit
IBM WIDN3995118 92F5931 C24890 Board
IBM WIDN3995118 92F5931 C24890 Board
iBright 30W Warm White AC100-240V 50/60Hz
iBright 30W Warm White AC100-240V 50/60Hz
ICL FRF15201 Power Supply
ICL FRF15201 Power Supply
ICL PP800130 Power Supply
ICL PP800130 Power Supply
Icon TM-920 TM920 Time Recorder U
Icon TM-920 TM920 Time Recorder U
ICOS NV PCB300/6/1 Board
ICOS NV PCB300/6/1 Board
ICOS Vision System PCB610/1/1 Board
ICOS Vision System PCB610/1/1 Board
ICP CON i-7016 i7016 Data Acquisition Module
ICP CON i-7016 i7016 Data Acquisition Module
ICS 114802-03 11480203 114804 Circuit Board
ICS 114802-03 11480203 114804 Circuit Board
IDC NEXTSTEP-SYSTO3 NEXTSTEPSYSTO3 Microstepping Drive w/ damage
IDC NEXTSTEP-SYSTO3 NEXTSTEPSYSTO3 Microstepping Drive w/ damage
IDEC ABN 300R Emergency Stop Switch
IDEC AP22M2Q4R LED Indicator Red/Red
IDEC ASW3320TK392 Switch
IDEC Basic Module LT7BD24
IDEC Control Unit ALW23310TK392
IDEC Control Unit CW1L+A1E10Q4G
IDEC Control Unit Type ASLW23320TK392
IDEC Control Unit XN4ETL412Q4MR
IDEC Control Unit XW1EBV404R
IDEC CW4K2A + HWF10 Key Switch
IDEC CW4K2A Key Switch
IDEC Emergency Off Switch XW1EBV402MFY
IDEC Expansion Module Type: FC4AT32S3
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