【深圳长欣自动化设备有限公司】经过十二年的快速发展,现已成为国内最具实力的工控备件商之一
各种PLC的组成结构基本相同,主要有CPU,电源,储存器和输入输出接口电路等组成。
plc处理器
plc处理器单元一般由控制器、运算器和寄存器组成。CPU通过地址总线、数据总线、控制总线与储存单元、输入输出接口、通信接口、扩展接口相连。CPU是PLC的核心,它不断采集输入信号,执行用户程序,刷新系统输出。
储存器
PLC的存储器包括系统存储器和用户存储器两种。系统存储器用于存放PLC的系统程序,用户存储器用于存放PLC的用户程序。现在的PLC一般均采用可电擦除的E2PROM存储器来作为系统存储器和用户存储器。
输入输出接口单元
PLC的输入接口电路的作用是将按钮、行程开关或传感器等产生的信号输入CPU;PLC的输出接口电路的作用是将CPU向外输出的信号转换成可以驱动外部执行元件的信号,以便控制接触器线圈等电器的通、断电。PLC的输入输出接口电路一般采用光耦合隔离技术,可以有效地保护内部电路。
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AMAT PORT SERVER CABLE PART # 0140-77615
AMAT PART # 0200-76019 10N SHIELD LIFT
AMAT PART # 0200-32985 GAS RING 12 HOLES
MKS ISOLATION VALVE MODEL # L2-40-AK-225-VNVNH
AMAT PART 0020-19002
LAM GATE HEAD IonIZED PART # 715-012233-003
VEXTA STEPPING MOTOR MODEL PX243-01B
LAM 6 " SPIN CHUCK PART # 715-013718-006
AMAT PART # 0200-09086
SLOW VACUUM VALVE MODEL # FPR-91-9.52
PEDESTAL VACUUM PRESSURE SWITCH PART # 0090-77032
LAM RESEARCH BAFFLE PLATE LOWER PART # 715-011913-083
USHIO 100W Merqury Short Lamp
AMAT PART # 0020-21944 8" QTZ PRECLEAN PLATE
CERAMIC LIFT PIN/SHORT PART # 0200-10162
796-00809 ANGLE VALVE REBUILD KIT
CONN ADPTR MTG QDS-UL(F)/QC(M) AMAT PART # 0020-04376
LIFT PIN, .090, SIMPLE CATH AMAT PART # 0021-10566
AMAT PART # 0200-35224 VIEWPORT WINDOW
AMAT PART # 0200-35160
frame ALIGNMENT PIN PART # 0020-27812
VACUUM SWITCH PART # 853-017631-001
TEFLON RING BLOCKER AMAT PART # 0021-38799
LOWER MAGNETIC BRACKET AMAT PART # 0021-36605
AMAT PART # 0200-35013
BRACKET COIL FRONT PART #0021-36606
JUMPER 4PIN CONN, GEN RACK EMO AMAT PART# 0150-20143
GASKET WINDOW AMAT PART # 0190-09061 AB 1756-SYNCH
GE DS200 特价供应
DS200SDCIG1A DS200 0 PWR SUPPLY/IN
DS200SDCIG2A DS200 0 PWR SUPPLY/IN
DS200SHCAG1B CARD SHUNT CONNECT
DS200SHCBG1A 65A SHUNT CONNECT CA
DS200SHVIG1A DC2000 SCR BRIDGE I/
DS200SHVMG1A SCR HIGH VOLTAGE CARD
DS200SIOBH1A VME STAND I/O CARD/C
DS200SIOCG1A INSTANTANEOUS OVERCU
DS200SLCCG1A PROGRAMMER/LAN INTER
DS200SLCCG2A LAN COMM CARD SLCC
DS200SLCCG3A LAN COMM CARD SLCC
DS200SLCCG4A LAN COMM CARD SLCC
DS200SNPAH1A LCI CARD
DS200SPCBG1A MULTIBRIDGE SIG PROC
DS200SSBAG1A DC300/2000 SNUBBER CARD
DS200SSBAG1B DC300/2000 SNUBBER CARD
DS200SSBBG1A DC300/DC2000 MOV CARD
DS200SSRAG1A SOLID STATE RELAY CARD
DS200STBAG1A ACDC2000 TERMINAL BOARD
DS200STCAG1A TURBINE COMMUNICATION
DS200SVAAG1A VOLTAGE ATTENUATOR
DS200SVIAG1A SHUNT ISOLATOR
DS200SVMAG1A SRC VOLTAGE MONITOR
DS200TBCAG1A TERM. BD (C) ANALOG I/O
DS200TBCAG2A TERMINATION(C)ANALOG
DS200TBCBG1A TERMINATION(C)ANALOG
DS200TBPXG1A MKV CARD TBPX
DS200TBQAG1A TERM.BD (C)R-S-T TC
DS200TBQBG1A TERM BD(R-S-T) ANALOG I/O
DS200TBQCG1A TERM BD(R-S-T) ANALOG I/O
DS200TBQCG1B TERM BD(R-S-T) ANALOG I/O
DS200TBQDG1A TERM BD (R-S-T) EXT ANALOG
DS200TBQEG1B LM6000(RST)ANALOG TE
DS200TBQGG1A TERMINATION MODULE
DS200TCCAG1A C) ANALOG I/O BOARD
DS200TCCAG1B TC2000 ANALOG I/O-EX
DS200TCCAG2A C) ANALOG I/O BOARD
DS200TCCAG2B ANALOG I/O BOARD
DS200TCCBG1A EXTENTED ANALOG I/O BOARD
DS200TCCBG1B EXTENTED ANALOG I/O BOARD
DS200TCCBG2A ANALOG I/O BOARD
DS200TCCBG3A TC2000 (C) EXP. ANALOG
DS200TCCBG3B MKV CARD TCCB
DS200TCCBG8B C EXTENDED ANALOG
DS200TCDAF1A SOFTWARE PROM SET , FOR DS200 TCDAH
DS200TCDAG1B DIG. I/O BD
DS200TCDAG2B DIG. I/O BOARD SUPERSEDED BY DS200 TCDAH1B
DS200TCDAH1B DIG. I/O BD. SUPERCEEDED BY DS200 TCDAH1B