140CRA21110++现货140CRA21110

140CRA21110
140CRA21110
140CRA21110
从控制速度上看，继电器控制系统依靠机械触点的动作以实现控制，工作频率低，机械触点还会出现抖动问题。而PLC通过程序指令控制半导体电路来实现控制的，速度快， 程序指令执行时间在微秒级，且不会出现触点抖动问题。

从定时和计数控制上看，电器控制系统采用时间继电器的延时动作进行时间控制，时间继电器的延时时间易受环境温度和温度变化的影响，定时精度不高。而PLC采用半导体集成电路作定时器，时钟脉冲由晶体振荡器产生，精度高，定时范围宽，用户可根据需要在程序中设定定时值，修改方便，不受环境的影响，且PLC具有计数功能，而电器控制系统一般不具备计数功能。

Gould Modicon Schneider Cutler Hammer Eaton 91-01430-00 CRT Monitor Display Tube

Eaton Vickers 02-102507 C Kit 20V5 Hydraulic Pump Cartridge 5 gallon Kit 7P86213

Brady Marker Labels WML-311-292 wire labeling label markers bradymarker

AVG Uticor Automation 180-22A1N008E0 Programmable Message Display Rev.B

Bayside PS115-003-010 Stealth Planetary Gearhead 3:1 Ratio Gear Reducer

Vortec 903 Transvector Air Flow Amplifier 1.57" 903MAS 96413 052109

Nickel Metal Coil 201 heat# 16732 RM831000 .1570 resistance wire nichrome alloy

Bryant Grinder WRA48 Motor Spindle Serial# 34817 30000rpm gti

Allied Wittan AtoMuffler M07 3/4" Pipe 0111007

Weltronic 303-1700 Ct-14 Current Sensor Welding Technology WTC

PCB Piezotronics J302B05 Accelerometer 302B05

Texmate PM-45 4.5 Digit Panel Meter with WK-S10A2G Edge Connector CN-L10

Toledo Transducers TT44-30K Load Cell 26147lbs 16476

Minarik Electric DLC100 Control Module Digi-Lock Control 081694215

Crouzet Syrelec 87610140 Hour Counter 8 Digit Display 2213 digital

Reliance Electric 57652 Universal Drive Controller EM 0-57669-B

Telemecanique XVA C77B120 Flashing Light Strobe

Electro Flyte 12M02-00018-00 Control Board Bomac

Autotron Elwood A937 Optical Sensor Control A937P-5

Yale 580006456 Forklift Starter Denso AS228000-5862

ARO 27528-100 Stainless Steel Standard Capacity Material Regulator 1/4" .25

Ranger ii POD-425-424 Isolated K type Thermocouple

Go Switch 73-13527-ED Leverless Limit Switch

Harmonic Drive System Inc. CSF-40-10-2A-GR?-SP SF40C0J021 Gear Reduction Reducer

Tregaskiss SG926-LN5403.5 Weld Gun 500A 3.5" 1070528