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。
ALLEN BRADLEY 100-C12K01 POWER CONTACTOR COIL VOLTAGE 48VAC
SCHNEIDER RM17TA00 ELECTRONIC TIMER VOLTAGE 220VAC
Omron H3BA-8H 0.5s-100h Timer 100/110/120v-ac ( OPEN)
DMB51CM24 CARLO GAVAZZI MULTIFCTION TIMER VOLTAGE 220VAC
ABB NF53E AUXILIRY CONTACTOR COIL VOLTAGE 100-250VAC
LS MC-12B MAGNETIC CONTACTOR 12AMP COIL VOLTAGE 220VAC
OMRON H3CR-A8 TIMER 1.2S TO 300H VOLTAGE 100-240VAC
OMRON H3CR-A8 TIMER 1.2S TO 300H VOLTAGE 100-240VAC
OMRON H3CR-A ELECTRONIC TIMER 1.2S TO 300H VOLTAGE 100-240VAC
OMRON H3CR-A ELECTRONIC TIMER 1.2S TO 300H VOLTAGE 100-240VAC
DANFOSS CI9 MAGNETIC CONTACTOR 9AMP COIL VOLTAGE 24-29VAC
FUJI ELECTRIC TR-3N THERMAL OVERLOAD RELAY RANGE 18-26AMP
SIEMENS 7PU4120-2AN20 TIMER RELAY VOLTAGE 220V AC
ABB A12-30-10 POWER CONTACTOR 12AMP VOLTAGE 220VAC
TELEMECANIQUE RM22TR33 TIMER RELAY VOLTAGE 440V AC
WEIDMULLER BTR-S ELECTRONICTIMER VOLTAGE 230V AC
SIEMENS 3RP2576-1NW30 ELECTRONIC TIMER RELAY VOLTAGE 240V AC
MITSUBISHI SK-50/65 SPARE COIL VOLTAGE 380-440VAC ()
SIEMENS 3RP1511-1AP30-8K ON DELAY TIMER 0.5-10S VOLTAGE 24-220VAC
TELEMECANIQUE RE7PE11BU TIMER 0.5S TO 300H VOLTAGE 100-240VAC
LUX COREA GTN-F1 ELECTRONIC TIMER VOLTAGE 220VAC
ABB OT25E3 Disconnect Switch/Load breaker Switch 25Amp
TELE E1ZM10 TIMER VOLTAGE 240V AC/DC ()
Mitsubishi SD-Q11 Magnetic Contactor DC 24V ( )
FUJI ELECTRIC TK-5-1N THERMAL OVERLOAD RELAY RANGE 2.8-4.2A
TELEMECANIQUE ZCK-J1 ZCK-J 500V 6kV 3A LIMIT SWITCH
TELEMECANIQUE LX1D8Q7 SPARE MAGNETIC COIL VOLTAGE 440VAC
Siemens - 7PU4120-2AN20 / Relay Time Voltage 240VAC
MITSUBISHI ELECTRIC ST-10 MAGNETIC CONTACTOR 10AMP VOLTAGE 220VAC
ALLEN BRADLEY 100-C09*10 230V AC SERIES A POWER CONTACTOR
HYDAI ELECTRIC HMX22 AUXILIRY CONTACTOR 10AMP VOLTAGE 110VAC
Schneider LADT2 Delay Auxiliary Contact Module
FUJI ELECTRIC BW32SAG CIRCUIT BREAKER 3P 30AMP
WEIDMULLER DRM570615LT 110VAC RELAY 14 PIN LOT OF 10PCS
OMRON MY4N 110VAC RELAY 14 PIN LOT OF 10PCS
OMRON MY4N 110VAC RELAY 14 PIN LOT OF 10PCS
OMRON H3CR-F8 ELECTRONIC TIMER TIMING 1.2S-30H VOLTAGE 100-240VAC
EATON XTCE007B10 DILM7-10 POWER CONTACTOR 7AMP VOLTAGE 24VDC
OMRON G4Q-212S POWER RELAY 24VDC 8PIN
MOELLER PKZM0-1.6 MOTOR PROTECTION CIRCUIT BREAKER RANGE 1.0-1.6AMP
Siemens 3VF9223-1AA00 IEC Front Rotary Operator
Lindner NH18001 200amp 500 volt GL/GG 120kAC Fuse Link
TELEMECANIQUE LR1-D09307 THERMAL OVERLOAD RELAY RANGE 1.6-2.5A
TELEMECANIQUE LR1-D09310A65 THERMAL OVERLOAD RELAY RANGE 4-6A
ABB TMAX SHT COIL SERIES T4-T5-T6 VOLTAGE 220-240VAC/220-250VDC
HYDAI HITH22H N0018R THERMAL OVERLOAD RELAY RANGE 12-18A
ABB A16-30-01 16AMP POWER CONTACTOR COIL VOLTAGE 440VAC
RMNIPC JR36-63 THERMAL OVERLOAD RELAY RANGE 20-32AMP
MITSUBISHI SR-T9 AUXILIRY CONTACTOR
Mitsubishi SR-N8 Auxiliry Contactor Relay with
MEANWELL DR-100-24 POWER SUPPLY INPUT 100-240VAC OUTPUT 24VDC 4.2A
MEANWELL DR-100-24 POWER SUPPLY INPUT 100-240VAC OUTPUT 24VDC 4.2A
Hydai HITH22h Thermal Overload Relay Range 16-22Amp
LOVATO BF0022 AUXILIRY CONTACTOR 10A VOLTAGE 220VAC
FUJI ELECTRIC SH-4 AUXILIRY CONTACTOR 10A VOLTAGE 220VAC
SCHNEIDER GV2ME14 MOTOR PROTECTION CIRCUIT BREAKER 6-10A
SCHNEIDER GV2ME07 MOTOR PROTECTION CIRCUIT BREAKER 1.6-2.5A
SCHNEIDER ELECTRIC LRD32 THERMAL OVERLOAD RELAY RANGE 23-32A
SIEMENS C25A 1PN CIRCUIT BREAKER 25AMP 2POLE 440VAC 15KA
SCHNEIDER ELECTRIC LC1K09 10M7 POWER CONTACTOR 9AMP VOLTAGE 220VAC
SCHNEIDER ELECTRIC GV2P08 MOTOR PROTECTION CIRCUIT BREAKER 2.5-4AMP
MITSUBISHI ELECTRIC S-N21 MAGNETIC CONTACTOR 21AMP VOLTAGE 110VAC
CARLO GAVAZZI RJ1A23D30E SEMI CDUCTOR CONTACTOR
SIEMENS 3TY7450-0A CONTACTOR KIT SET FOR 3TF-45
OMRON H3CR-A8E ELECTRONIC TIMER 1.2S TO 300H VOLTAGE 24-48VAC/DC
PHOENIX CONTACTMCR-C-UI-UI-DCI - 2810913 SIGNAL CONVERTER 24VDC
SIEMENS 3RT1016-1AP02 POWER CONTACTOR 9AMP VOLTAGE 220VAC
HYDAI ELECTRIC HMX31 AUXILIRY CONTACTOR 10AMP VOLTAGE 220VAC
OMRON H3BH-8 ELECTRONIC TIMER TIMING 0.5S-10S VOLTAGE 110VAC
HIRSCHMANN B12 GDME CONNECTOR 60ME AV1
TELEMECANIQUE LRD1512 THERMAL OVERLOAD RELAY RANGE 5.5-8AMP
MTL 787S SHT-DIODE SAFETY BARRIER
MITSUBISHI ELECTRIC SR-T5 AUXILIARY CONTACTOR COIL VOLTAGE 110VAC
TELEMECANIQUE RE 4 RM MULTIFCTION TIMER VOLTAGE 24VAC TO 240VAC
SCHNEIDER ELECTRIC A9E16065 IRTA TIMER VOLTAGE 24V TO 240V AC
Idec GT3A-3 AF20 Timer Voltage 100-240v-ac
Idec GT3A-3 AF20 Timer Voltage 100-240v-ac
Siemens 3RH2921-1DA11 Auxiliary Switch Block ( )
SIEMENS 3TH40 22-0BB4AUXILIRY CONTACTOR VOLTAGE 24VDC
SIEMENS 3RV1921-1M AUXILARY CONTACT ADD ON BLOCK
TELEMECANIQUE ZCKE21 LIMIT SWITCH HEAD
OMRON D4N-112G LIMIT SWITCH ( )
Fuji Electric SRC50 110-120V Magnetic Contactor
FINDER 20.22.8.110.4000 LATCHNING RELAY VOLTAGE 250V AC ()
SCHNEIDER LC1D32M7 POWER CONTACTOR COIL VOLTAGE 220VAC
OMRON H3CR-H8L DELAY TIMER TIMING 0.6S-12MIN VOLTAGE 220VAC
OMRON H3CR-H8L DELAY TIMER TIMING 0.6S-12MIN VOLTAGE 220VAC
SIEMENS C16A 1PN CIRCUIT BREAKER 16AMP 2POLE 440VAC 15KA
SCHNEIDER RE17LAMW ELECTRONIC TIMER VOLTAGE 24-240VAC/DC
FINDER 40.52 24VDC RELAY 8PIN LOT OF 10PCS
OMRON LY4 110VAC RELAY 14 PIN LOT OF 6PCS
SCHNEIDER ELECTRIC RXM2A2BD 24VDC RELAY 8 PIN LOT OF 10PCS
SCHNEIDER ELECTRIC RXM2NB3FD 110VDC RELAY 8 PIN LOT OF 10PCS
OMRON MY4N 110VAC RELAY 14 PIN LOT OF 10PCS
OMRON MY4N 110VAC RELAY 14 PIN LOT OF 10PCS
OMRON MY4N 24VAC RELAY 14 PIN LOT OF 10PCS
OMRON MY4N 24VAC RELAY 14 PIN LOT OF 10PCS
TELEMECANIQUE RE1-LA001 TIMER TIMING 0.1S-3S VOLTAGE 24-240VAC
ALLEN BRADLEY 100-F AUXILIRY ADD ON CONTACTOR PCS
ALLEN BRADLEY 100-F AUXILIRY ADD ON CONTACTOR PCS
SCHNEIDER RE17LAMW ELECTRONIC TIMER VOLTAGE 220VAC
OMRON H3DKZ-G ELECTRONIC TIMER VOLTAGE 24VAC TO 220VAC
SCHNEIDER ELECTRIC LRD22 THERMAL OVERLOAD RELAY RANGE 16-24AMP
TELEMECANIQUE CIRCUIT BREAKER GV2 M06 RANGE 1.1 6A
PHOENIX D-32825 BLOMBERG SPD ( )
EAPL A1D1(CSA) TIMER VOLTAGE 220VAC ( )
Devico DB63Cb 60AMP Med Case Circuit Breaker
HYDAI ELECTRIC UTH32KB THERMAL OVERLOAD RELAY RANGE 1.1-1.5AMP
TELEMECANIQUE LC1D1210M7 POWER CONTACTOR 12AMP VOLTAGE 220VAC
TOGAMI ELECTRIC PAK-8JS 40 AUXILIRY CONTACTOR 4NO VOLTAGE 110VAC
ALLEN-BRADLEY 700-CF310KD AUXILIRY CONTACTOR VOLTAGE 110VAC
ALLEN BRADLEY 700-CF220KD AUXILIRY CONATCTOR VOLTAGE 110VAC
SIEMENS 7UG0753-1AA20 VOLTAGE MONITORING RELAY VOLTAGE 250V
OMRON MK2P-N 12VDC RELAY 8 PIN LOT OF 10PCS
FUJI ST3PA-A ELECTRONIC TIMER TIME RANGE 3MINIT VOLTAGE 110VAC
FUJI ST3PA-A ELECTRONIC TIMER TIME RANGE 3MINIT VOLTAGE 110VAC
FUJI ST3PA-B ELECTRONIC TIMER TIME RANGE 6MINIT VOLTAGE 110VAC
FUJI ST3PF ELECTRONIC TIMER TIM RANGE 5SECOND VOLTAGE 110VAC
FUJI ST3PA-B ELECTRONIC TIMER TIME RANGE 6MINIT VOLTAGE 110VAC
FUJI ST3PF ELECTRONIC TIMER TIME RANGE 10SECOND VOLTAGE 110VAC
FUJI ST3P ELECTRONIC TIMER TIME RANGE 3MINIT VOLTAGE 220VAC
FUJI ST3PA B ELECTRONIC TIMER TIME RANGE 6MINIT VOLTAGE 110VAC
FUJI ST3PF ELECTRONIC TIMER TIME RANGE 60SECOND VOLTAGE 110VAC
FUJI ST3PF ELECTRONIC TIMER TIME RANGE 5SECOND VOLTAGE 110VAC
FUJI ST3PF ELECTRONIC TIMER TIME RANGE 1SECOND VOLTAGE 110VAC
FUJI ST3PA-B ELECTRONIC TIMER TIME RANGE 6MINIT VOLTAGE 220VAC
SIEMENS 3RT2015-1QB41 POWER CONTACTOR 12AMP VOLTAGE 24VDC
CUTLER HAMMER 82400H983 ADD ON CONTACT BLOCK OB OBX CONTACTORS
TELEMECANIQUE CA3DN40BD AUXILIRY CONTACTOR 10A VOLTAGE 24VDC
TELEMECANIQUE CA3DN40BD AUXILIRY CONTACTOR 10A VOLTAGE 24VDC
ABB N22E 1SBH141001R8722 AUXILIRY CONTACTOR 10A VOLTAGE 440VAC
ABB N22E 1SBH141001R8022 AUXILIRY CONTACTOR 10A VOLTAGE 220VAC
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