6SL3224-0BE33-7UA0,6SL3224-0BE33-7UA0
6SL3224-0BE33-7UA0
6SL3224-0BE33-7UA0
控制器分組合邏輯控制器和微程序控制器,
兩種控制器各有長處和短處。組合邏輯控制器設計麻煩,結構復雜,一旦設計完成,就不能再修改或擴充,但它的速度快。微程序控制器設計方便,結構簡單,修改或擴充都方便,修改一條機器指令的功能,只需重編所對應的微程序;要增加一條機器指令,只需在控制存儲器中增加一段微程序,但是,它是通過執行一段微程。具體對比如下:組合邏輯控制器又稱硬布線控制器,由邏輯電路構成,完全靠硬件來實現指令的功能。
Yaskawa SGMCS-25D3B11 Servo Direct Drive SGMCS25D3B11
Physio Control Lifepak 7 Cardiac Monitor
union CARBIDE LR-31 DEWAR NO LID
Bausch And Lomb 33-46-10 Benchtop Refractometer
AGILENT HP M1205A PATIENT MONITOR
Dietzgen Surveyors Transit Level 65403
Harvard Apparatus 680 Rodent Ventilator
Vintage Lietz Sokkisha Surveying Transit Level 19015
TEM MICROSCOPE PARTS LOT
THERMOLYNE 2200 HOT PLATE 24X12"
GEORG FISCHER TYPE 317 PLASTIC GATE VALVE 3"
5 GALLONS OF POLYWATER LUBRICANT J HIGH PERFORMANCE CAB
LEITZ SHORT ARC LAMP POWER SUPPLY 1149 100 WATT MERCURY
GRASS VALLEY 8900 DISTRIBUTION AMPLIFIER W/ 2 CARDS
SVR-1100B COMPUVIDIO COMBINATION WAVEFORM MONITOR
BALDOR VMAM3554T 1 1/2HP MOTOR 1725RPM