The core of the print management system of the DCS control system is the print management software. Install it on an ordinary PC and run it on the WINDOWS platform. To ensure data security, RAID technology is adopted and dual hard drives operate redundantly.
This software is a set of printing information management software developed to improve the printing function of the computer automatic control (DCS) operation station and strengthen the storage, retrieval and copying of information. It has the characteristics of strong function, friendly interface and convenient operation.
Using it can fundamentally avoid the phenomenon of frequent information loss due to printer failure when only using the printer in the past, and it can also fundamentally prevent useful information from being drowned in a large amount of useless information. Use can save the printout information of the operation station on the hard disk in the form of a file for a long time (depending on the capacity of the hard disk and the amount of printed information, up to several months or even years), or copy it to other storage devices (such as CD, etc.).
The printing system can automatically identify the alarm records, control operations, statistical reports, event-triggered reports, screen copy and configuration lists in the operation station information, and process them separately. Use it to observe the alarm records, control operations, statistical reports, event trigger reports, screen copy and configuration lists of the operation station in real time, and process them separately; and observe the alarm records and control of the operation station in real time The data and status that require immediate response, such as operations, can also easily check all the records that have been received.
You can use "offline printing" to selectively print the information that has been received, or you can use "online printing" to output the printed content of the operator station to the printer immediately.
How the printing system works
Printers produced by various printer manufacturers have drivers connected to the WINDOWS operating system. The operating systems of most operating stations of the original DCS are dedicated, and they only have drivers for special types of printers.
The printers commonly used in the market do not have drivers, so they cannot be connected. In fact, the task of the printing system software is to write the anti-driving software of the WINDOWS operating system, that is, the signals from the DCS operating station can be recognized in the WINDOOWS environment. Then use the WINDOWS driver to connect to a commonly used printer.
The printing system software should recognize different data formats, because the printers originally connected to different types of DCS system operation stations have their own data formats, such as ANSI format, IBM format, etc. Before the printing system is connected to the operation station, understand its Data format, so that this data format works in the WINDOWS environment.
The printing system software should write anti-drive software with multiple data formats. In addition, the software for printing graphics and text is very different. Only print text, its software is relatively simple, and printing graphics is more complicated. For example, using HP printers to print graphics, first find out whether it is a dot matrix format or a page scan format. Most Hp printers use the page scanning method. If the software interprets the PCL instructions, the printer can print the graphics on the operating station screen. If it is not an HP printer, it is necessary to explain other instructions.
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