The response speed of the PLC external devices

Improve the response speed of the peripheral equipment. Inside the PLC controller to realize high speed at the same time, to improve the response speed of the peripheral equipment, can we improve the overall performance of the whole system, therefore, in shortening the I/O module of input and output response time, improve the analog input and output module - module Number and number - Mode conversion time, under a lot of time, in order to achieve the overall system under the control rate of millisecond. For example, in the output circuit of the transistor output module selects the high performance of the transistor, the response time to speed up 50%; In a dc input module, the input time constant of the circuit using special ASIC chip, can choose the response time of the input module through the programming software for 1/5/10 20/70 / ms; To improve the conversion time of analog module, adopt the special chip of A/D or D/A, is converting speed for half of the original - 1/6. Also by developing a dedicated processor and communication dedicated ASIC, shorten the communication network module communication link between the cycle time.
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