2017/3/17 9:57:10 来源: 福州卓凯电子科技有限公司
A20B-0008-0640A
6ES5955-3LC13
中央处理器(CPU)由控制器、运算器和寄存器组成并集成在一个芯片内。CPU通过数据总线总线、地址总线、控制总线和电源总线与存储器、输入输出接口、编程器和电源相连接。
小型PLC的CPU采用8位或16位微处理器或单片机,如8031、M68000等,这类芯片价格很低;中型PLC的CPU采用16位或32位微处理器或单片机,如8086、96系列单片机等,这类芯片主要特点是集成度高、运算速度快且可靠性高;而大型PLC则需采用高速位片式微处理器
CPU按照PLC内系统程序赋予的功能指挥PLC控制系统完成各项工作任务。
PLC内的存储器主要用于存放系统程序、用户程序和数据等。
PLC系统程序决定了PLC的基本功能,该部分程序由PLC制造厂家编写并固化在系统程序存储器中,主要有系统管理程序、用户指令解释程序和功能程序与系统程序调用等部分。
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Lot Of 7 Matsushita Contactor FC-10NZ (5X) & FC-18NZ (9X) 110V COIL Shipsameday
Panasonic LT Switch 6mm 260gf, P10887SCT-ND, EVQ-QWT033, Lot Of 73, E#53
Lot Of 2, Koganei Air Cylinder "JIG" JDAS25X10, Shipsameday ZB#51
Pall 12121 Filling Machine Capsule, Shipsameday #1642A1
Non-Magnetic Stainless Steel Wire, 6.5 Dia X 7.75 H,
Red Lion Meter Display CUB4LP00/3800, CUB4LP/CL, CUB4LP00, Shipsameday #121P8
Numatrol RA70003, RA7-0003, Shipsameday #1231V
Maxim IC RTC Clk/calender I2C, DS1339U-3, DS1339U3, Lot Of 481, E#31
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Omron Proximity Switch Sensor, E2E-X7D1-N, E2EX7D1N, NNB, Shipsameday #1209V
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Namco EE210-31360, EE21031360 Cylindicator Sensor SHIPSAMEDAY #1546L
Tccco EP0904, D-209522, D209522, 3270040604, Shipsameday#1618A
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Cosel Power Supply G Series, G124V0.3A, G1 24V 0.3A, Shipsameday #1181K
Koganei ZC153B. L150185, Ship Same Day With 2-3 Days Shipping #1553F
Ohio Semitronics Transducer, CTF-501T, CTF501T, Shipsameday #1372R
IFM Efector Adapter for Flow Monitor Type SM8/SU8, E40193, SHIPSAMEDAY#1538P4
Smalley Wave spring WHM-187, Lot Of 32, Shipsameday #1325Q
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TAZMO Encoder E0R05-11073, Cosel ZS1R5 2405, Shipsameday #1228P4
Allen Bradley 500F-A0D92 & 599-K04, 500FA0D92 Series B Contactor #1642J
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Wasco Pressure Transducer 1/8" NPT, 768-1063-103/6282, Shipsameday#125C1
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Automation Direct Line reactor, GS-10P2-LR, ShipSameDay
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Angar Scientific Solenoid Valve AM045, 601676, 30PSi, 24V, Shipsameday #1327Z2
Coil T109CE-820T27, Shipsameday, W/2-3 Daysshipping #1653BX
FESTO Sub Base NAS-1/2-3A-ISO, NAS1/23AISO, 10336 #1628A24