描述
输入模块用来接收和采集输入信号，开关量输入模块用来接收从按钮；选择开关、数字拨码开关、限位开关、接近开关、光电开关、压力继电器等过来的开关量输入信号；模拟量输入模块用来接收电位器、测速发电机和各种变送器提供的连续变化的模拟量电流、电压信号。
开关量输出模块用来控制接触器、电磁阀、电磁铁、指示灯、数字显示装置和报警装置等输出设备，模拟量输出模块月手来控制调节阀、变频器等执行装置。
ALTIVAR 66 AC DRIVE ATV66D23N4U 25 HP W/ BYPASS 460 VAC
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CONTROL TECHNIQUES 60 HP FREQUENCY INVERTER V4500ICD
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NEW METRON DIMF 2.0 DENSITY METER BY BOPP REUTHER
