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
MEASUREMENT TECHNOLOGY MTL3041 4/20mA REPEATER POWER SUPPLY
TELEMATIC FILTER MA10/D/2 EMC FILTER ARRESTOR
CAMILLE BAUER SINEAX 55-V920-10 677-41 220VAC 592288/1/1
Fuji MS4SA-AP Super Timer 100-240V AC 0.05S-60H UNIT
ABB A202 B16 400V GB10963 2-POLE CIRCUIT BREAKER 2CD-S252-001-R0165 27256280116
MITSUBISHI A2SHCPU CPU UNIT
MITSUBISHI A2SHCPU CPU UNIT
ALLEN BRADLEY CAT 1794-ACN15 FLEX I/O CONTROLNET ADAPTER 96432672
TELEMATIC FILTER MA10/D/2 EMC FILTER ARRESTOR MA10D2
SCHIELE ERS ON DELAY TIMER 2.430.102.01 0.05S-300H 110-240VAC/24VAC-DC
BUSSMANN NITD20M32 FUSE 20A 550VAC LOT OF 12 UNIT
D MK 9989.72/024 Electronic Timer 0030945 220-240VAC/24V AC-DC
Siemens 6ES7 222-1HF00-0XA0 Digital Output Relay EM222
CLIPSAL 56P532 5-PIN 500V 32A PLUG AND EXTENSION SOCKETS
PEPPERL FUCHS KCD2-STC-EX1 TRANSMITTER POWER SUPPLT 185535 UNIT
LEGRAND 080251 GANG SUPPORT MOUNTING FRAME UNIT
MEASUREMENT TECHNOLOGY MTL7728 SHUNT DIODE SAFETY BARRIER
Matsushita PMH Timer AT4119 R3 24V DC PMH AT4119
MITSUBISHI QX41-S1 INPUT UNIT
TELE RS1-BN022M INTERFACE MODULE 57-800-7393-0 230VAC
Seiko Electric EN 2X Cam Switch 600V 15A CONT
ALLEN BRADLEY CAT 813S-V0B LINE VOLTAGE MONITOR RELAY
Allen Bradley CAT 1794-ADN Series C Flex I/O Device Net Adaptor 58151 FW 3.001
GE FANUC IC693CPU331-AB CPU MODULE
MITSUBISHI MELSEC AX40 PROGRAMMABLE CONTROLLER
TELEMECANIQUE LT3SA00M PTC PROBE RELAY 115V/230V
ETA USA VTD05SC24 Isolated DC-DC Converter 24V TO 5V
Moeller EZ-PKZ2 Base for Separate Mounting 42A 600V 3PH
DEIF VOLTMETER CT 460/115V 100013777/180
IDEC GT3A-2AF20 MULTIFUNCTION TIMER 100-240VAC
IDEC GT3A-2AF20 MULTIFUNCTION TIMER 100-240VAC
SE TSX DEF 812 INPUT MODULE TSXDEF812
PILZ ZTN/FBM SAFETY RELAY 470K0/1UZ1SZ 110-240V 656214
TELE E2X20 TIME DELAY RELAY
IDEC PFJ-N082U 8-DC INPUT MODULE
MEASUREMENT TECHNOLOGY MTL 728 SHUNT DIODE SAFETY BARRIER
SIEMENS 6ES7 361-3CA01-0AA0 INTERFACE MODULE UNIT
SCHLEICHER SXT12 VOLTAGE RELAY 220V-240V
MTL 755AC SHUNT-DIODE SAFETY BARRIER
OMRON CQM1-OC222 OUTPUT UNIT
OMRON CQM1-OC222 OUTPUT UNIT
Vegamet 407 A F T Level Indicator 407 A (F) (T)
OMRON H3DE-M2 MULTIFUNCTION TIME RELAY 0.1S-120H 24-230VAC/DC
PEPPERL FUCHS KFD2-STC4-EX1-Y122583 SMART TRANSMITTER POWER SUPPLY 122583
FANUC ACT01A ANALOG MODULE A03B-0807-C053
ALLEN BRADLEY CAT 1794-ACN15 SERIES C 96432672
ALLEN BRADLEY CAT 1746-OW16 SLC500 OUTPUT MODULE
CARLO GAVAZZI PUA01CB23500V VOLTAGE CURRENT RELAY
HIRSCHMANN MM2-4TX1 MICE MEDIA MODULE MM24TX1
HIRSCHMANN MM2-4TX1 MICE MEDIA MODULE MM24TX1
ALLEN BRADLEY CAT 1492-SP1C020 CIRCUIT BREAKER
SIEMENS 6ES7 321-1BL00-0AA0 SM321 DIGITAL INPUT MODULE
SIEMENS 6ES7 321-1BL00-0AA0 SM321 DIGITAL INPUT MODULE
NSK BEARING 51105 BEARING BOLLFILTER K2708947
PEPPERL FUCHS Z967 ZENER BARRIER 71860
ALLEN BRADLEY 190-A11C AUXILIARY CONTACT
ABB CM-IVN Coupling Unit 1SVR650669R9400
ALLEN BRADLEY CAT 1794-ADN SERIES B 96494871
ALLEN BRADLEY CAT 1794-ADN SERIES B 96494871
SIEMENS 6ES7 360-3AA01-0AA0 INTERFACE MODULE
SIEMENS 6ES7 360-3AA01-0AA0 INTERFACE MODULE
M-System BR-4 RTD Transmitter PT100 ohm 0-150'c
ALLEN BRADLEY 9300-RADM1/B MODEM
CARLO GAVAZZI PAA01DM24 DELAY ON OPERATE TIMER 24-240VAC/DC
MITSUBISHI QX81 INPUT UNIT
TELE XB5-KSB ACOUSTIC INDICATOR 24VAC/DC
SE ZB4BV05 HARMONY XB4 PILOT LIGHT HEAD UNIT
KATKO KU-325N MANUAL MOTOR PROTECTOR 40A
Idec PFA-1T081 Output Module Relay Out 8 Point PLC 100-120/200-240 VAC
SE TWDDRA8RT EXPANSION UNIT
PHOENIX UMK-16 RELS/KSR-24/21 MULTIPLE RELAY MODULE
IDEC PS5R-D24 POWER SUPPLY 24VDC 2.1A
SIEMENS 6ES7 322-1BL00-0AA0 SM322 DIGITAL OUTPUT MODULE DOM
SIEMENS 6ES7 322-1BL00-0AA0 SM322 DIGITAL OUTPUT MODULE DOM
GE IC693MDL330F OUTPUT MODULE
FERRAZ SHAWMUT AMPTON ATQ8 FUSE LOT OF 18 UNIT
ALLEN BRADLEY CAT 1746-NI4 SLC500 ANALOG INPUT MODULE
ALLEN BRADLEY CAT 1746-NI4 SLC500 ANALOG INPUT MODULE
ALLEN BRADLEY 800E-ME-4 RED PUSH BUTTON
ATX 093496 M25 PE INTEGRE M25 UNIT
ALLEN BRADLEY CAT 1794-OB16 SERIES A 92423471
ALLEN BRADLEY CAT 1794-OB16 SERIES A 92423471
MITSUBISHI MELSEC AY13 PROGRAMMABLE CONTROLLER
DRALORIC TC 45X90 600PF 10KV
SACI EC4V AMMETER CT 100/5A
KEYENCE KZ-8EX INPUT UNIT EXPANSION MODULE
PEPPERL FUCHS KFD2-CR-EX1.30-200 TRANSFORMER ISOLATED REPEATER 71840
HITEC 102426 RED PUSH BUTTON UNIT
MITSUBISHI MELSEC AY11 PROGRAMMABLE CONTROLLER
MITSUBISHI Q61SP POWER SUPPLY UNIT
WEIDMULLER UPAC 825000 MDULE 0-20 mA IN 0-20 mA OUT 124882 UNIT
OMRON E5C2-R20G TEMPERATURE CONTROLLER 100/110V AC E5C2R20G
Fuji MS4SF-AP1N Super Timer 100-240VAC MS4SF
HONEYWELL 621-2100R OUTPUT MODULE
VITA MOTIVATOR 96-4NG GASKET FOR 964 JET NOZZLE QTY 4 GASKET
ALLEN BRADLEY CAT 1756-CNB/D CONTROL NET COMMUNICATION BRIDGE
ALLEN BRADLEY 1756-CNBR/D CONTROL NET COMMUNICATION BRIDGE 96389873-A01
OPTO 22 G4 ODC5R DRY OUTPUT CONTACT UNIT
SE TSXDSY16T2 DISCRETE OUTPUT MODULE
SE LP1SK0600BD MINI CONTACTOR COIL VOLTAGE 24V
IDEC PF3S-T16S TR. OUTPUT MODULE FA-3S
SCOTGRIP A31828-007 DRAIN CASTING RESERVOIR
ALLEN BRADLEY CAT 1492-SP1C050 CIRCUIT BREAKER 240/415V
Seiko Electric YBR SF1 2X Cam Switch 600V YBRSF12X
CROUZET EIH CURRENT RELAY 84 871 010 230V
CROUZET EIH CURRENT RELAY 84 871 010 230V
ALLEN BRADLEY CAT 1734-RTB3S 95726803-02 CAT 1734-MB 95723405 PC
ALLEN BRADLEY CAT 1794-OB16 SERIES A 96221875 1794-TB3
ALLEN BRADLEY CAT 1794-OB16 SERIES A 96221875 1794-TB3
HONEYWELL CP-SPC SMART POINT CONTROLLER 24VAC141201CP
HONEYWELL CP-SPC SMARTPOINT CONTROLLER 160311CP
ALLEN BRADLEY 100-M09N-3 NON REVERSING MINI CONTACTOR
BURKERT 0304 C 1.5 FPM MS SOLENOID COIL 074845W 220-230V
FESTO SVS-4-1/8 SINGLE SOLENOID 10192 B302
TELEMECANIQUE LA2 DT2 TRAVAIL ON DELAY TIMER 023002 0.1-30S
TELEMECANIQUE LA2 DT2 TRAVAIL ON DELAY TIMER 023002 0.1-30S
TELEMECANIQUE LA2 DT4 ON DELAY TIMER 023003 10-180 SEC
TELEMECANIQUE LA2-D20 A65 TRAVAIL TIMER BLOCK 0.1-3 SEC
TELEMECANIQUE RHN 412B PLUG IN RELAY 24V
TELEMECANIQUE RHN 412B PLUG IN RELLAY 24V
TELEMECANIQUE RHN421B PLUG IN RELAY 24V
TELEMECANIQYE RHN421B PLUG IN RELAY 209433 24V
PEPPERL FUCHS KFA6-SR2-EX1.W SWITCH AMPLIFIER 37368S
PEPPERL FUCHS KFD2-STC4-EX1 SMART TRANSMITTER POWER SUPPLY 122580 UNI
SIEMENS 6ES7 321-1BL00-0AA0 DIGITAL INPUT MODULE 32X DC 24V UNITS
SIEMENS 6ES7 321-1BL00-0AA0 DIGITAL INPUT MODULE 32X DC 24V UNITS
IDEC GT3A-3 AF20 ELECTRONIC TIMER 100-240VAC
IDEC GT3A-3 AF20 ELECTRONIC TIMER 100-240VAC
IDEC GT5P-N ELECTRONIC TIMER 200-240VAC 0-60SEC
IDEC GT5P-N ELECTRONIC TIMER 200-240VAC 0-60SEC
OMRON H7CZ-L8 COUNTER
PEPPERL FUCHS WE77/EX2 SWITCH AMPLIFIER 01543S