Printing system and printing method

A printing system and printer technology, applied in the direction of digital output to printing unit, etc., can solve the problems of weak touch screen macro command function, unable to complete calculation and control, unable to guarantee the real-time data absolute accuracy, etc., to achieve real-time guarantee. Effect

Inactive Publication Date: 2014-10-01
张家港华菱医疗设备股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The timeliness of data and the absolute accuracy of data cannot be guaranteed
At the same time, the functions

Method used

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  • Printing system and printing method
  • Printing system and printing method
  • Printing system and printing method

Examples

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in and described with reference to the drawings are merely exemplary, and the invention is not limited to these embodiments.

[0026] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

[0027] ginseng figure 2 As shown, the printing system includes a printer, a controller and a touch screen. The controller is connected to the printer through the R...

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Abstract

The invention discloses a printing system. The printing system comprises a printer, a controller which is connected with the printer through an RS232 interface, and a touch screen which is connected with the controller through the RS422 interface. A printing method is further disclosed. The method comprises the following steps: transmitting a printing request command to the printer by using an M8402 command in a Mitsubishi FX-series PLC (Programmable Logical Controller), wherein M8401 is taken as a mutex; if M8401 is OFF, transmitting data through M8402. By adopting the printing system, the instantaneity of data and the absolute accuracy of data can be ensured.

Description

technical field [0001] The invention belongs to the field of automatic control, and in particular relates to a printing system, a printing method and a data format writing method. Background technique [0002] At present, the lower computer of the Mitsubishi automation control system platform adopts Mitsubishi FX series PLC, and the upper computer adopts Mitsubishi touch screen. The micro printer is connected to the touch screen through the RS232 interface. The touch screen uses macro instructions to send the data read by the PLC to the micro printer and print the data. Data communication and operation process such as figure 1 shown. [0003] pass figure 1 It can be seen that the PLC data needs to be sent to the printer for printing through the touch screen (HMI). The timeliness of the data and the absolute accuracy of the data cannot be guaranteed. At the same time, the function of touch screen macro instructions is relatively weak, and it is impossible to complete comp...

Claims

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Application Information

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IPC IPC(8): G06F3/12
Inventor 张冰谢赵霞周建芳王其鳌
Owner 张家港华菱医疗设备股份公司
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