What is the relationship between the pos system and EDI?

Electronic Data Interchange.

In fact, EDI is to change the original paper order delivery notice and other business documents from the traditional way such as fax express delivery to the best electronic data mode for interaction, so as to improve business efficiency. At the same time, through the implementation and configuration of some EDI software, the corresponding document data can often be generated directly from the business system of the enterprise, and automatically transmitted to the customer's business office to achieve the effect of application to application and avoid human errors (such as data errors) in paper documents. So the IT system.

EDI relies on several parts:

1. EDI transmission channel, generally EDI is directly connected through AS2 protocol, FTP S, etc., and can also be relayed through a third-party VAN (value-added network) service provider (this and we use email.

). Because it involves business information, the transmission security requirements will be relatively high;

2. EDI standard, that is, the organization form of business data, is currently the most commonly used American standard.

ANSI X12 and the United Nations and the European Union's EDIFACT, of course, there are many other standards, as long as EDI and both sides follow the same standard, EDI interaction can be well realized;

3. The best way to implement the EDI software (environment) at both ends is to automatically send and receive EDI messages (data files) by the EDI software, and automatically integrate them into the enterprise business system.

That's probably it!

How EDI ultrapure water equipment works:

Driven by direct current, the cations and cations in the water flow through the freshwater chamber migrate to the brine chamber through the anion and cation exchange membrane and are removed in the freshwater chamber. As shown below:

The EDI module membrane stack is mainly composed of alternating cation exchange membranes, brine chambers, anion exchange membranes, fresh water chambers, and positive and negative electrodes. Under the action of the direct current electric field, the cations and anions in the ion exchange resin in the freshwater chamber migrate to the negative electrode and positive electrode respectively along the channel composed of resin and membrane, and the cations pass through the cation exchange membrane and the anions pass through the anion exchange membrane to enter the concentrated water chamber to form concentrated water. At the same time, the cations and anions in the EDI influent are exchanged with the hydrogen ions and hydroxide ions in the ion exchange resin to form ultrapure water (high-purity water).

The limiting current enables the continuous regeneration of ion exchange resins by a large number of hydrogen ions and hydroxide ions produced by water electrolysis. Conventional ion exchange, chemical intermittent regeneration is required after the ion exchange resin is saturated. The resin in the EDI membrane stack is continuously regenerated by electrolysis of water, and the work is continuous, and no acid-base chemical regeneration is required.

The electrodeionization (EDI) system is a scientific water treatment technology that uses the selective transmission of ions through the separator to purify the water quality under the action of direct current electric field. Between a pair of electrodes of an electrodialyzer, the anion membrane, the positive membrane and the separator (A and B) are arranged alternately to form a concentrated chamber and a light chamber (i.e., cations can pass through the positive membrane, and anions can pass through the negative membrane). The cations in the light chamber water migrate to the negative electrode and pass through the positive membrane and are intercepted by the negative membrane in the concentrated chamber. The anions in the water migrate to the positive membrane in the direction of the positive electrode and are intercepted by the positive film in the concentration chamber, so that the number of ions in the water through the light chamber gradually decreases and becomes fresh water, and the water in the concentration chamber becomes concentrated water due to the continuous influx of anion and cation in the concentration chamber, and the concentration of dielectric ions continues to rise, so as to achieve the purpose of desalination, purification, concentration or refining.

EDI is an abbreviation for Electronic Data Interchange, which translates to Electronic Data Interchange in mainland China, and sometimes as Paperless**. Hong Kong translates to Electronic Information Interchange. The International Organization for Standardization defines EDI as an electronic transmission method in which the message data in a commercial or administrative transaction is first processed in a structured transaction data format according to a recognized standard, and then the structured message data is transmitted from computer to computer through the network.

In addition to this definition of hard translation, we should correctly understand the meaning of one liter of stalking EDI. There are many different interpretations of the translated name, for example, many documents translate it as paperless, and in the field of **, this name vividly illustrates its condition and effect. However, in a basic sense, the meaning of electronic data interchange is not limited to ** activities, such as information exchange in hospitals, and now EDI ideas and methods have also been adopted, and have been used in some places abroad.

Therefore, strictly speaking, paperless is the practical application of EDI in the field, and the concept of EDI should be broader. Of course, in the real application, the application of the first field is the fastest growing and most widely used aspect, and the current achievements, standards, and software in this area are also the most. Some comrades rightly pointed out:

The essence of EDI is that "data does not land", in technical terms, that is, the medium of information storage and transmission has been changed from paper to electromagnetic equipment. In this way, the so-called EDI should include the following three basic aspects:

1. An application area where information exchange is required, i.e., the EDI environment. For example: international**, domestic**, hospital work, library work, project management, etc. It defines where information needs to be passed on and between locations.

2. The process and rules of information exchange, that is, the process of EDI. It reflects the business process in the real world, and the information process that goes with it. For example, in the process, starting from inquiry, until payment, delivery.

In the middle, it involves a variety of enterprises (or roles) such as **, buyers, banks, transportation companies, insurance companies, etc., and dozens of information exchange businesses need to be executed. In practice, this process is embodied in a series of rules and standards.

3. The means of information exchange, including hardware equipment, communication equipment and software, that is, the technical implementation of EDI. From the current point of view, computer equipment and communication equipment have become more common, and the application of EDI has no special requirements, and generally does not require special development. For example, communication lines can be solved in a variety of ways, from the simplest line to renting a satellite line.

What is needed is the development of software. For a certain field of application, to comply with a specific standard, it is necessary to have a set of special software. Solving problems in this area is a technical task.

In short, we should know and understand EDI comprehensively, rather than only looking at and dealing with EDI from the perspective of technology or even hardware.

What is an EDI Operating License?

EDI license is also known as the business license of data processing and transaction processing business, according to the "Measures for the Administration of Telecommunications Business License", all e-commerce platforms engaged in e-commerce platforms, e-commerce self-operated and other e-commerce platforms need to apply for EDI license, EDI license is the market access qualification that e-commerce platforms must have, the full name is: value-added telecommunications business license - the scope of approval is "** data processing and transaction processing business" in accordance with Article 9 of the "People's Republic of China Telecommunications Administration Regulations" to operate value-added telecommunications services, If the business coverage is in more than two provinces, autonomous regions and municipalities directly under the Central Government, it must be reviewed and approved by the competent department of the information industry and obtain the "Cross-regional Value-added Telecommunications Business License"; If the business coverage is within the administrative area of a province, autonomous region or municipality directly under the Central Government, it shall be subject to the examination and approval of the telecommunications management agency of the province, autonomous region or municipality directly under the Central Government, and obtain the "Value-added Telecommunications Business License".