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。
Allen-Bradley 281D F12Z 10B CR combi-reversing starter
Donaldson 8PP-36773-00 Checker Board NEW
Motoman board# 471920-1 Low pass filter for COM-ARC NEW
Square D PQ4203 30A, 240V Bus Plug, I Line *NEW*
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Liros Type: NO STATIC-09, Electrostatic Discharger NEW
Allen-Bradley 8000 MBA Module 905981-05 Rev A
GE 300 Line size #3 Motor starter CR306E1 XAAA, NEW
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Allen-Bradley 8000-IOC circuit board 30 day return
Allen-Bradley 8000-IOA circuit board 30 day return
Parametrics 6030 AC drive, 6030-00, 3hp, 230v,
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