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。
FIREYE ED550-3 REMOTE CABLE
FIREYE ED600 CABLE ADAPTER BOARD
FIREYE E500-3 COMMUNICATION INTERFACE FOUR UNIT INPUT
Fireye ED400 Flame Monitor System NIB NEW Free Ship
FIREYE EP160 PROGRAMMER MODULE
FIREYE MART1 FLAME ROD AMPLIFIER
LOT 2 FIREYE ED580-1 REMOTE DISPLAY MOUNTING KIT 1-1/4"
FIREYE E1R1 INFRARED AMPLIFIER MODULE USE W/ E110
FIREYE ERT1 RECTIFICATION AMPLIFIER MODULE USE W/ E110
Fireye Flame Detector Safeguard Chassis 70D40
New! Fireye E1R1 Infrared Auto Flame Amplifier Module
FIREYE ED550-2 REMOTE CABLE