HS code-driven margin analysis

List of contents of this article:

• 1,HS code-driven margin analysis How to wire the three-phase four-wire meter?
• 2、 Can the prepaid electricity meter sales system be installed on two computers at the same time?

How to wire the three-phase four-wire meter?

1. The wiring diagram of the three-phase four-wire meter is as follows: A yellow line, the voltage line is connected to port 2, the current line is connected to port 1 through the 1st current transformer S1 input, and S2 connected to port 3 output. B green line, the voltage line is connected to port 5, the current line is connected to port 4 input through the 2nd current transformer S1, and S2 is connected to port 6 for output.

2. The three-phase four-wire system is three fire lines and one zero line. The connecting line should be 135 on the meter, and the self-connected 246 is the outline, and the zero line can be docked with the zero line.

3. The correct connection methods of three-phase four-wire meters include direct access, wiring with current transformers, access through transformers, etc. Directly access the three points of 147 and the three points of 258 are connected, and there is a connection sheet on it. The last 10 is connected to the zero line.

4. The correct wiring method of the three-phase four-wire meter: fix the meter on the wall, and sort the wiring port below from left to right. There are a total of 11 interfaces, number 1-11. Connect the number 5 interface to the three-phase fire wire on the power supply side respectively. Connect the number 9 interface to the three-phase fire line of the load respectively.

How to restore the blank card of the meter management system?

1. Make up the card through the reader. First, connect the IC card reader of dbmis6 to the power supply and connect it to the communication cable with the microcomputer to go online.

2. Carry your ID card: If the electric card is lost, the user can use the ID card instead of the electric card, insert the ID card into the electric meter card slot, and then close the air switch, and the overdraft of the power is successful. Call the service hotline of the power supply company: If there is an emergency at home, users can call the service hotline of the power supply company at 95598 to truthfully reflect the situation at home.

3. Try to use data recovery software. If files or data are lost on computers or other digital devices, you can try to use specialized data recovery software to recover them.But this requires a certain understanding of the corresponding technology or seeking professional technical support. Contact the system installer or the meter manufacturer.

4. In this case, you can take the following measures to recover: go to the management department to make up the previous card, confirm the information, and then fill in the last information, so that you can enter the meter. Recharge in time to avoid running out of power affecting your work and life.

5. Question 1: How to restore the use with the management card after the plug-in card meter is cleared? If there is a problem with the card or the card is inserted upside, change to a new card, authorize with the mother card, and transfer the amount. Question 2: How to clear and insert preset cards for smart meters? Make zeroing cards and preset cards in the meter management system.

6. Part of the data loss of the card meter purchase system should be restored according to the following steps.According to the relevant information of the query, open the door of the electric meter box first and find the meter to restore the power. Take out the charged electric card and align the triangular head on the electric card with the electric meter card slot. Insert the electric card into the card slot and leave it for a few minutes.

Which company's product is the DBMIS6 prepaid meter management system

There has been no such problem in the prepaid remote meter reading system of the collection, but from the meter reading system and soft From the perspective of the data principle, some customers may be locked by the database error. You can ask the manager to unlock the data table, and then you can manually re-enter the data according to the payment voucher.

Can. DbmiThe s6 meter management system is a powerful tool for prepaid meters. The dbmis6 electric card can be charged many times, and the power in it can also be charged again.

Jindie International Software Group Co., Ltd. Jindie erp management system is a financial management system, which is a product of Jindie International Software Group Co., Ltd. Jindie ERP is the most popular ERP management system in the south. Jindie ERP has different types of software for different service groups.

Shenzhen Gulf Security Technology Co., Ltd. is affiliated with GST Gulf Group. Our products and services include: video intercom system, video surveillance system, access control card system, intelligent parking system, anti-theft alarm system scheme design, product supply, integrated installation and maintenance services, etc.

Ankerui Electric Co., Ltd. hasCo., Ltd. is one of the few leading enterprises in China that provides intelligent power monitoring, power management, electrical safety and other systematic solutions for smart grid users.

Can the prepaid electricity meter sales system be installed on two computers at the same time?

Two computers cannot be used at the same time.When logging in to the system, a reader must be used for identification, so the system can only be used on one computer. The operation process of selling electricity is as follows: log in to the system. Open an account and establish a file. Issue cards in user management. Finally, the electricity is input into the meter.

If the system configuration meets the requirements, you can start downloading and installing the water payment system. Step 2: Download the system installation file. Download the suitable version on the official website, such as Windows version or Mac version. When saving the downloaded file, it should be saved in an easy-to-find folder.

Copy the hard disk version of the software to the USB flash drive. 2 Insert the USB flash drive into another computer and copy and paste the file into any disk. If it is a software with registry information, it cannot be copied directly. You need to copy the original installation package of the software to the USB flash drive and then install the software on another computer.

Of course! You can use the router to share the broadband connection.

The prepaid electricity meter sales management system can be compatible with the meters of a variety of manufacturers. According to the relevant public information of the query, the prepaid electricity meter sales management system can be universal and can be compatible with the meters of a variety of manufacturers. It can be measured and controlled by terminals of different manufacturers to confirm the voltage input of each meter.

A computer can install two systems. Most of the installation of two systems is to install two different systems. It is common to install win7 and XP systems at the same time. And if two systems are installed at the same time, the two systems need to coexist peacefully.