IC697MDL241
6ES5451-4UA14
波电路用以消除输入触头的抖动，光电耦合电路可防止现场的强电干扰进入PLC。由于输入电信号与PLC内部电路之间采用光信号耦合，所以两者在电气上完全隔离，使输入接口具有抗干扰能力。现场的输入信号通过光电耦合后转换为5V的TTL送入输入数据寄存器，再经数据总线传送给CPU。输出接口电路向被控对象的各种执行元件输出控制信号。常用执行元件有接触器、电磁阀、调节阀(模拟量)、调速装置(模拟量)、指示灯、数字显示装置和报警装置等。输出接口电路一般由微电脑输出接口电路和功率放大电路组成，与输入接口电路类似，内部电路与输出接口电路之间采用光电耦合器进行抗干扰电隔离。微电脑输出接口电路一般由输出数据寄存器、选通电路和中断请求逻辑电路集成在芯片上，CPU通过数据总线将输出信号送到输出数据寄存器中，功率放大电路是为了适应工业控制要求，将微电脑的输出信号放大。若主机单元的I/O数量不够用，可通过I/O扩展接口电缆与I/O扩展单元(不带CPU)相接进行扩充。　　PLC还常配置连接各种外围设备的接口，可通过电缆实现串行通信、EPROM写入等功能。
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Legris 3109 62 22, Male Elbow 1/2" Tube X 1/2" Npt, 31096222, P#27
ABB SACE S3N 250 Front Cover, Lot Of 3, Shipsameday #115A4
Lot Of 4, Dwyer Rate Master Flowmeter, RMA-3-TMV, RMA3TMV, Shipsameday, #1219A3
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MKS Baratron Pressure Transducer 872B12PMD2GC1, ShipSameDay#1553S
Samtec QSH-030-01-L-D-A, QSH03001LDA, Lot Of 7, Shipsameday, B#18
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Square D 8736-SC08, 31041-400-42, ShipSameDay W/2-3DaysShipping #1171V
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FAFNIR 215K-FS50000, 215KFS50000, Ship Same Day W/2-3 Days Shipping #1653A8
Lot Of 8, Cajon Nipple Elbow Coupling Male/Female, 1/8" NPT X#33
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MICRO-EPSILON DT110-S-S2-M-C3, DT110SS2MC3, Serial 1538 ShipSameDay#101A
Omron Rotary Encoder E6A2-CW5C, E6A2CW5C, Shipsameday#1539G7
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Maxim Integrated IC CNTRLR INT TEMP 48TQFN, MAX1978ETM+, SHIPSAMEDAY#Y66
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Swagelok Valve Manual Loto 3/4" Flare, NXT-DRP81AFGFG-17981 #1606W
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Watlow EZ-Zone Controller PM6C1F-AAAABAA, SHIPSAMEDAY#1546A2
SMC Solenoid Valve VZ2150, SHIPSAMEDAY #1646P2
Eldema INDICATOR LIGHT RLD-60B0, RLD60B0, Shipsameday #1623Z9
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Allen Bradley Circuit Breaker, SPM1C040, Available ship 2/24/17
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Barkdale Pressure Switch 160Psi, D2T-A80SS, Shipsameday#1372A5
GE Contactor CR305C0, Shipsameday #1641B4
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Allen Bradley 140-MN-0100, 140MN0100 Lot Of 3 ShipSameDay W/2-3 DaysShip#1173A12
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Finder 90.109 10 AMP 380VAC Terminal Socket Relay Base&Finder TYPE 60.12 #120A2
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