SDAS-01-7Y2S1024运用工控行业PLC控制系统多系列控制欧美进口备件

SDAS-01-7Y2S1024运用工控行业PLC控制系统多系列控制欧美进口备件

SDAS-01-7Y2S1024运用工控行业PLC控制系统多系列控制欧美进口备件包含现场总线模块（信号输入）微处理器（一个冗余）。来自编组（按逻辑顺序排列）端子的线束（每个信号两根线）将信号传输到位于另一个机柜中的现场总线模块（FBM），该机柜靠近被称为现场总线模块的数字设备，将模拟输入转换为数字输入，并通过一对被称为场总线的导线传输到微处理器（控制器）。

现场总线还可以通过适当的信号调节卡接受和传送来自可编程逻辑控制器（PLC）和其他控制器的信号。智能现场变送器数字计算机系统的进步导致了智能现场变送器的出现，与传统变送器相比，智能现场变送器具有以下；输出是数字信号，用于直接馈送到下游数字系统。

模拟到数字卡是不必要的。微处理器通过FBM卡接收来自多个变送器的过程数据。这些卡将来自现场变送器的模拟数据转换为微处理器可接受的数字信号。微处理器将过程值与设定值进行比较，并通过输出卡将校正输出发送到现场安装的终控制元件。这些将数字输出转换为适用于现场控制阀的模拟输出。

SDAS-01-7Y2S1024 uses industrial control industry PLC control system multi-series control parts imported from Europe and the United States including fieldbus module (signal input) microprocessor (a redundant). The wiring harness (two wires per signal) from the marshals (arranged in logical order) terminals transmits the signal to a fieldbus module (FBM) located in another cabinet near a digital device called the fieldbus module that converts the analog input to digital input and transmits it to the microprocessor (controller) via a pair of wires called the field bus.

The fieldbus can also accept and transmit signals from programmable logic controllers (PLCS) and other controllers through appropriate signal conditioning cards. Advances in digital computer systems have led to the emergence of intelligent field transmitters, compared with traditional transmitters, intelligent field transmitters have the following; Outputs are digital signals used to feed directly to downstream digital systems.

Analog to digital cards are not necessary. The microprocessor receives process data from multiple transmitters via the FBM card. These cards convert analog data from a field transmitter into a digital signal acceptable to the microprocessor. The microprocessor compares the process value with the set value and sends the correction output via the output card to the field-installed final control element. These convert the digital output into an analog output suitable for field control valves.