求翻译：PLC也是基于计算机的技术，并日益完善。故它也完全可以用于数字量控制。 PLC可接收计数脉冲，频率可高达几k到几十k赫兹。可用多种方式接收这脉冲，还可多路接收。有的PLC还有脉冲输出功能，脉冲频率也可达几十k。有了这两种功能，加上PLC有数据处理及运算能力，若再配备相应的传感器（如旋转编码器）或脉冲伺服装置（如环形分配器、功放、步进电机），则完全可以依NC的原理实现种种控制。是什么意思？

plc computer-based technology, and has improved steadily. Therefore, it also can be used for digital volume control. plc can receive count pulses at frequencies up to a few k to tens of k Hz. Available a variety of ways to receive this pulse, but also multi-channel receiver. Plc there are pulse outp

PLC is also based on computer technology, and it has become increasingly sophisticated. It is also fully available for the digital volume control. PLC to receive pulse count, the frequency can be as high as several K to a few 10K Hertz. There are a number of way to receive the pulse, you can also mu

PLC based on computer technology, and increasingly sophisticated. It can also be used for digital control. PLC receives counting pulse, frequency can be as high as a few k of k to the dozens of cycles per second. Can be used in many ways to receive this pulse, multi-channel receiver. PLC also has pu