描述
PLC控制系统的输出电路设计。依据生产工艺要求,各种指示灯、变频器/数字直流调速器的启动停止应采用晶体管输出,它适应于高频动作,并且响应时间短;如果PLC系统输出频率为每分钟6次以下,应首选继电器输出,采用这种方法,输出电路的设计简单,抗干扰和带负载能力强。
Sew Eurodrive .33 HP 460V DFT7 Gear Reducer Motor NEW
Square D Sz Size 6 8536 SHO2 Motor Starter 8536SHO2
Westinghouse PB 2500A PB32500F 654D456G06 800 A TRIP
General Electric GE ASTAT Plus QI3KDP Soft Start 50 HP
Drager Polytron 4543405 TX Sensing Head Gas Detector
Reliance Electric RE 57C330 Remote I/O Head DCS 5000
Allen Bradley AB 509-FOA Size Sz 5 Starter 270A 240V
Crawford Pole Transformer 13200/22860Y 120/240 100 kVA
GE Pole Mount Transformer 13200/22860Y 120/240 100 kVA
GE Pole Mount Transformer 13200/22860Y 120/240 100 kVA