描述
输入/输出模块是可编程控制器PLC与工业生产设备或工业生产过程连接的借口。现场的输入信号，如按钮开关，行程开关、限位开关以及传感输出的开关量或模拟量（压力、流量、温度、电压、电流）等，都要通过输入模块送到PLC。由于这些信号电平各式各样
NP104X905BA603 输出模块
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