Product Introduction

Siemens frequency converter 6SE7041-0ES87-0FA1 is a high-efficiency variable frequency speed regulating device. It is mainly used to control fans, water pumps and other loads. It has significant energy-saving effects and flexible frequency conversion capabilities. Here are some of the key features of this frequency converter:
Energy saving function
Application of fans and water pumps: Through frequency conversion speed regulation, the speed can be reduced when the average flow required by the user is small, thereby achieving significant energy saving effects.

Power saving rate: According to statistics, the power consumption of fan and pump motors accounts for 50% of industrial power consumption. After using variable frequency speed regulation devices, the power saving rate can reach 20% to 60%.

6SE7041-0ES87-0FA1 Siemens inverter
S7-200smart module three-axis pulse, free movement. The CPU module body integrates 3 high-speed pulse outputs up to 100 kHz. It supports PWM/PTO output and a variety of motions, and the motion envelope can be set. Equipped with a convenient and easy-to-use wizard setting function, it can quickly realize equipment speed adjustment, positioning and other functions.

Our goal is not to make more money, but to let you find good quality and satisfactory spare parts, so that you can earn wealth without worries and at the same time we will get the rewards we deserve, mutual benefit, sincere cooperation, win-win development, and thoughtful use By providing excellent service in exchange for your satisfaction, such an enterprise will have a beautiful and bright future!

The integration of SIMATIC S7-200 ART programmable controller, SIMATIC ART LINE screen and SINAMICS V20 inverter brings cost-effective small automation solutions to OEM customers, meeting customer needs for human-computer interaction, control, drive and other functions.

Application areas
Constant pressure water supply: Constant water supply pressure is achieved through frequency conversion speed regulation.
Various types of fans: Suitable for various types of fans, improving efficiency through frequency conversion speed regulation.
Air conditioning system: Apply frequency conversion speed regulation in the air conditioning system to achieve energy-saving operation.
Hydraulic pump: Apply frequency conversion speed regulation in the hydraulic pump system to improve the response speed and efficiency of the system.

The reason why we feel safe when using Siemens is that Siemens has a team behind its products that can provide us with complete and perfect support in every aspect. Therefore, the frequency converter should amplify one or two gears or install an output reactor at the output end of the frequency converter. At the same time, the frequency converter data can also be read and displayed on the host computer to achieve the purpose of online monitoring and diagnosis. After the frequency converter control system adopts the Profibus-DP fieldbus control mode, not only the entire system is highly reliable, easy to operate, but also can be The process requires flexible functional modifications. The output characteristic curve of the frequency converter can be adjusted to be softer. Set p1300 to 2, the frequency converter works in the parabolic characteristic v/f control mode, which is suitable for loads such as fans and water pumps.
If so, stop enabling first! The AC mains input is converted into DC through the rectifier, part of the energy is charged to the battery pack, and the other part of the energy is converted into AC through the inverter and sent to the load through the transfer switch. 3.2.3 Control the speed of the stepper motor. When scanning each ladder diagram, always scan the control circuit composed of contacts on the left side of the ladder diagram first, and scan the control circuits composed of contacts in the order of first left, then right, first up, then down. The control circuit composed of contacts performs logic operations, and then refreshes the status of the corresponding bits of the logic coil in the system RAM storage area according to the results of the logic operations; or refreshes the status of the corresponding bits of the output coil in the I/O image area; Or determine whether to execute the special function instructions specified by the ladder diagram. During the user program execution phase, the PLC always scans the user program (ladder diagram) in order from top to bottom.
Its torque m is approximately proportional to the square of the rotational speed n.

(11) The module power supply cannot be disassembled by force, otherwise it will be damaged. In fiscal year 2015 (October 1, 2014 to September 30, 2015), Siemens' total revenue in China reached 6.94 billion euros, with more than 32,000 employees, 20 R&D centers, and 77 operating companies*. The job number is the task number for communication between S7-300CPU and FM. Each exchange of data is only partial data exchange, not all data. This can reduce the workload of FM. The job number is divided into writing job number and reading job number. For example In FM350-2, *DB1 is the communication data block. If you write the write job number 12 into DB1.DBB0, write 200 into DB1.DBD52, and then call the FC3 write function, the initial value of the first counter will be is 200, here the task number of job number 10 is the initial value of writing ** counter, DB1.DBB0 is the storage address of writing job number, DB1.DBD52 is the loading address area of ​​** counter, and the same reading job number 100 is for reading The first 4 channels, 101 are the counters of the 4 channels after reading, and the reading work number is stored in the address DB1.DBB2.
The software is easy to use. PC/TTY corresponds to Siemens product number: 6ES5734-1BD20, RS232 to Siemens S5 series PLC programming port (DB15) communication interface cable, 3 meters. The communication baud rate used by Micro/WIN is different from the actual communication rate setting of the CPU port. 4. The output noise is large. The above conditions are in an or relationship. Frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's operating power supply. The main circuit is mainly composed of three-phase or single-phase rectifier bridge, smoothing capacitor, filter capacitor, IPM inverter bridge, current limiting resistor, contactor and other components. The frequency converter has all the functions of a soft starter, but its price is much more expensive than a soft starter and its structure is much more complex.
In the 1980s, computers fully adopted switching power supplies, taking the lead in completing the replacement of computer power supplies. E-commerce is a quick and easy user information feedback tool with a friendly interface, through which decision makers can obtain high-quality business intelligence, identify hidden business relationships and grasp future trends. Therefore, to ensure that the overall operation and maintenance service level remains at a "high level", it is necessary to cover all objects in the business system as comprehensively as possible without leaving any "dead spots". 2) Select capacitors that comply with the specifications of the power module technical manual; the block program means that all control tasks of a project are divided into multiple small task blocks, and the control tasks of each task block are placed in subroutines according to the specific situation, or Put it in the interrupt program. However, when operating the CNC system and manually moving the X-axis, the Y-axis of the machine tool does not move. At the same time, the CNC displays an alarm of "ERR21, X-axis measurement system error".

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