伺服上电后假如SEVON信号无效,伺服电机不会锁死,操控卡发脉冲给伺服,伺服也不会运动,所以伺服电机运动前必定要使能。很多客户也许以为伺服使能信号不重要,因此在实践应用中对该信号不予处理,直接致使设备在开机和关机时的异常呼应,然后以为全部操控系统呈现疑问,通过下面的剖析能够协助我们解惑,期望能让我们对SEVON信号有用的协助到设备的操控有非常好的认识。
因为操控卡是插在PC的PCI插槽上的,由PC供应操控卡一个5V的电源,所以PC在开机和关机时,会有一个0-5V的电压改变的,也即是PC在开机和关机时会有一个等同于脉冲信号的电压改变信号宣布来,
NEW SED MANUAL BONNET AND HAND
WHEEL 0.50" 290A
HACH EC30 pH METER PART # 50100-60
NEW IKAMAG EOA 3 MAGNETIC STIRRER
ELECTRONIC STAINLESS
WAGNER INSTRUMENTS FORCE 5 DIGITAL
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STATE INDUSTRIAL METERING PUMP 120
VAC .35 AMP.63 GPH M仲鑫达
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500 LBS # 420271
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101U/R
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NEW WATSON MARLOW PERISTALTIC PUMP
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