PLC进行模拟量控制,还有A/D、D/A组合在一起的单元,并可用PID或模糊控制算法实现控制,可得到很高的控制质量。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。
LEEDS & NORTHRUP 063206 DIGITAL MULTIPOINT RECORDER
WHITE RODGERS 25M43S SOLENOID GAS VALVE
Cleaver Brooks DP Pumping Tank for Boiler
3100 WIRE TERMINALS
4 ZEBRA 105SE LABEL PRINTER
DYNAPERT USV-860N38-1 REVF VERIFIER BOARD
BOND ADHESIVE DISPENSING MACHINE
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NIPPON TANSHI ACM-11A CRIMPING UNIT 1.5TON
NIPPON TANSHI ACM-11A CRIMPING MACHINE 1.5TON
PCB SAW CUTTING MACHINE
PCB EDGE SAW CUTTING MACHINE
BASLER SR4A2B03A3E STATIC VOLTAGE REGULATOR
BARCO 5100 PHU Projector
NORDSON 296415A DISPENSING CONTROL STATION