描述
根据PLC输出端所带的负载是直流型还是交流型，是大电流还是小电流，以及PLC输出点动作的频率等，从而确定输出端采用继电器输出，还是晶体管输出，或品闸管输出。不同的负载选用不同的输出方式，对系统的稳定运行是很重要的。
NEW Allen Bradley 1746-NIO4I Analog Combination Module
USED Perceptron 96K DSP Frame Grabber 495-0191 Rev R
Allen Bradley 1770-KF2 Data Communication Interface
USED Warner Electric SLO-SYN SS2000D6i Warpdrive
USED Allen Bradley 2711-T10C15 PanelView 1000 FRN 4.41
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
