T8480C模拟量输出模块是指驱动硬件输出和相关数据通路，按照运行方式选择当前的设定值，也可根据需 要反向并提供结果给硬件输出或软件输出。模块可以设置为CAS_ IN和RCAS_ IN自动方式。SP经选择器(SPSELECTOR) 对CASIN、SPLOCAL (本机设定)和RCASIN以及反馈值进行选择后输出设定值。T8480C为避免设定值SP的剧烈变化设置了限制器((rate limiter),对SP进行速率限制，再经限位器(clamper)对SP进行绝对值限制后，进入一个按特殊功能做的特性补偿(characterization) 。T8480C特性补偿后, SP与偏置值相加后分三路:第-路返回SP选择器;第二路进入反向通路输出参数选择器;第三路在转换器中将工程单位转换为百分数，标度参数为PVSCALE (SP%)，也可通过开关(INCCLOSE) 输出反向(INVERT SPAN 100 VALUE)设定值(INV.SP%)， 并由传送输出给转换器 (块)。SP支持串联(级)结构，CAS方式必须把其他模块的输出作为A0模块的SP，SP设有标准的速率和绝对值限制。
T8480C
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T8480C
The T8480C analog output module refers to the driving hardware output and related data channels, which can select the current set value according to the operating mode, or reverse and provide results to the hardware output or software output as needed. The module can be set to CAS_ IN and RCAS_ IN automatic mode. SP outputs the set values after selecting CASIN, SPLOCAL, RCASIN, and feedback values through a selector (SPSELECTOR). T8480C sets a rate limiter to avoid drastic changes in the set value SP, which limits the rate of the SP. After the absolute value of the SP is limited by the limiter, it enters a characteristic compensation based on a special function. After T8480C characteristic compensation, the SP and bias values are added and divided into three paths: the first path returns to the SP selector; The second path enters the reverse path and outputs a parameter selector; The third channel converts engineering units into percentages in the converter, with a scaling parameter of PVSCALE (SP%). It can also output the reverse (INVERT SPAN 100 Value) set value (INV. SP%) through the switch (INCCLOSE), and transmit it to the converter (block). SP supports a series (stage) structure, and the CAS method must treat the output of other modules as the SP of A0 module. SP has standard rate and absolute value limits.
T8480C
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T8480C
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