Emerson PLC application in medicine industry

Emerson PLC controller application in medicine industry newmaker welcome to e hall exhibition hall 3 PLC PLC programmable controller, PLC programming cable. 。 。 An overview of this set of system, the system is mainly used in the open sterilization oven drying, applicable to the pharmaceutical industry of schering bottles, ampoule bottle, aluminum cover, metal and glass pieces dry sterilization sterilization to pyrogen and solid material. Working principle: baking tray, a bottle or the car will be filled with material into the box, start the PLC programmable control system, circulation fan work, heating, butterfly valve at the same time open, drying oven heating up quickly. , circulation fan, in the hot air through high temperature resistant hepa filter into the box body, under the action of a microporous adjustment to the casing to form a uniform distribution of air, dry air absorption bottle ( Materials and articles) Channel on the surface of the water, into the heating evaporation discharge, dry air in fan under the action of directional circulation flow, steam discharge. As the water vapor gradually reduce, at the same time interval complementary filter fresh air, the casing is slightly positive pressure condition, constant temperature end, finished process control. Open the air supply or ( The water) Forced cooling, automatic butterfly valve into the closed position, sound and light hint the door out of the bottle. In the whole process, the micro printer print real-time temperature according to the requirements of operation. Second, the system block diagram of a complete set of system by bta, Emerson EC10-1614 Hui achieves the micro printer of WH and touch screen. EC10 through parallel port connected with the micro printer, control the gating signal, and then to print the data into hexadecimal through eight data input to the printer. programming, according to the sequence diagram to determine the gating signal printer and time-series data. Printer interface and the pin definition: this series of printer parallel port compatible with CENTRONICS, support BUSY/ACK handshake protocol, interface for IDE 26 pin socket outlet. Parallel interface socket pin number shown in the figure below: parallel interface socket pin number 26 IDE needle parallel interface definition of each pin signal shown in the diagram below: note: 1. 'Into the' input to the printer. 2. 'Out' from the printer output. 3. Signal logic level to the TTL level. Parallel sequence diagram is as follows: three, Emerson PLC and printer, printer data signal is a logic level, and the response speed when the data output requirements. So use the transistor output of PLC controller. Must be in accordance with the requirements for parallel sequential, write programs. Can appear otherwise puzzling problems such as loss of data, or print out the code. , miniature printer on potential demand is higher, because potential problems lead to loss of data, or print out the code. Interference in the larger environment, it is necessary to add some peripheral anti-interference circuit to prevent and avoid accident happening.
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