1794-ID2
1794-ID2
1794-ID2
开关量:开关量只有两种状态,0、1,包括开入量和开出量,反映的是状态。
数字量:数字量由多个开关量组成。如三个开关量可以组成表示八个状态的数字量。
模拟量:模拟量是连续的量,数字量是不连续的。反映的是电量测量数值(如电流、电压)。
1、开关量:为通断信号,无源信号,电阻测试法为电阻0或无穷大;
也可以是有源信号,***叫法是阶跃信号,就是0或1,可以理解成脉冲量
版主说的好,多个开关量可以组成数字量
2、数字量:有0和1组成的信号类型,通常是经过编码后的有规律的信号。和模拟量的关系是量化后的模拟量。
3、模拟量:连续的电压,电流等信号量,模拟信号是幅度随时间连续变化的信号,其经过抽样和量化后就是数字量。
4、脉冲量:在瞬间电压或电流由某一值跃变到另一值的信号量。在量化后,其连续规律的变化就是数字量,如果其由0变成某一固定值并保持不变,其就是开关量
备货,备货,降降降,火火火,火火火……
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公司名称:厦门泰尼电气有限公司
联系人:小黄(销售代表)
联系电话:0592-6809319
传真号码:0592-6890859(麻烦备注01006收)
手机:18950191386
***号码:2917675397
邮箱:2917675397@***.com
诚信经营,质量为首,诚信至上,泰尼电气小黄竭诚为您服务!!!
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