描述
用PLC进行模拟量控制的好处是,在进行模拟量控制的同时,开关量也可控制。这个优点是别的控制器所不具备的,或控制的实现不如PLC方便。当然,若纯为模拟量的系统,用PLC可能在性能价格比上不如用调节器。这也是应当看到的。实际的物理量,除了开关量、模拟量,还有数字量。如机床部件的位移,常以数字量表示。
Olympus MSPlan 10x 0.30 ∞/- f=180 IC10 Objective
Tektronix P6960 probe with Warranty
Olympus MDPlan 150 objective Mint Condition 150X
Nikon BD Plan 20/0.4 210/0 20x ELWD Objective NICE!!
Olympus U-LH100 Microscope Halogen Lamp Housing Source
Thorlabs WM100 Omega Meter
Zeiss Epiplan-Neofluar 5x/0.15 Objective inf/0 44 23 20
Vexta UDK5107NW2 5-phase driver w/ Warranty
Electrocraft Reliance Electric E19-2 Servo motor
Zeiss Epiplan 10x/0,20 infinity/0 objective Mint cond.
Melec D-551A PM Driver
Panasonic MSD021A1XX AC servo driver
Yaskawa ServoPack SGDM-04ADA