5SHX06F6004测点配置要求键相：压缩机组的每个相同转速的轴系配置一个键相位测点；采用本特利3300XL系列电涡流传感器进行测量。　轴振：每个滑动支持轴承上配置一对X/Y方向（互为垂直安装）的轴振测点，采用本特利3300XL系列电涡流传感器进行测量。　轴位移：压缩机组的每个推力轴承处配置双冗余的轴向位移测点；采用本特利3300XL系列电涡流传感器进行测量。　瓦振（可选）：每个滚动支持轴承上配置两个瓦振测点（水平和垂直方向安装），采用本特利330500系列Velomitor压电式振动速度传感器进行测量。

 
　　齿轮箱壳振（如适用）：每个齿轮箱的输入和输出轴的支持轴承处各配置一对X/Y方向壳振测点；采用本特利330400系列压电式振动加速度传感器进行测量。
 
　　超速保护（可选）：每台压缩机组上配置三冗余的超速保护测点，采用3300XL系列电涡流传感器进行测量。2.本特利bently3500配置要求
 
　　每套关键压缩机组配备本特利3500框架；本特利bently35003500/15电源模块；
 
　　本特利bently35003500/22M瞬态数据接口模块；本特利bently35003500/25键相模块
 
　　针对上述轴振、轴位移、瓦振、及壳振测点，本特利bently35003500/42M监测器模块
 
　　（如适用），超速保护监测测点，需采用3500/53三冗余监测模块，每个监测通道（轴振、轴位移和瓦振）配置d立的两个继电器输出通道；采用本特利bently35003500/32（4通道）或3500/33（16通道）继电器模块，本特利bently35003500/92Modbus通讯网关
 
　　对于工作在危险区的机组，接入现场信号的3500监测器模块要带有内置安全栅；并且3500框架内要配置3500/04本安接地模块。
 
　　离心式压缩机–电动机拖动
 
　　对于工作在危险区域的机组，本特利传感器及监测系统都要带有多机构批准单位选项。而对于工作在安全区的机组，则不做要求。
 
　　1.本特利bently3500对机组的振动监测状态监测测点配置要求
 
　　键相：压缩机组的每个相同转速的轴系配置一个键相位测点；采用本特利3300XL系列电涡流传感器进行测量。
 
　　轴振：每个滑动支持轴承上配置一对X/Y方向（互为垂直安装）的轴振测点，采用本特利3300XL系列电涡流传感器进行测量。
 
　　轴位移：压缩机组的每个推力轴承处配置双冗余的轴向位移测点；采用本特利3300XL系列电涡流传感器进行测量。
 
　　瓦振：每个滚动支持轴承上配置两个瓦振测点（水平和垂直方向安装），采用本特利330500系列Velomitor压电式振动速度传感器进行测量。
 
　　轴承温度（如适用）：每个滑动支持轴承及推力轴承均配置轴瓦温度测点；推力轴承的工作面和非工作面应同时配置温度测点。
 
　　齿轮箱壳振（如适用）：每个齿轮箱的输入和输出轴的支持轴承处各配置一对X/Y方向壳振测点；采用本特利330400系列压电式振动加速度传感器进行测量。
 
　　2.本特利bently3500配置要求
 
　　每套关键压缩机组配备的本特利3500框架
 
　　每个本特利3500框架内配置冗余的3500/15电源模块
 
　　每个本特利3500框架内配置3500/22M瞬态数据接口模块；
 
　　针对上述键相测点，每套机组的本特利3500框架内配置相应的3500/25键相模块
 
　　针对上述轴振、轴位移、瓦振、及壳振测点，均须配置相应的3500/42M监测器模块
 
　　（如适用），上述轴承温度测点，需配置相应的3500/60、61温度监测模块，或3500/62过程量监测模块
 
　　每个监测通道（轴振、轴位移和瓦振）配置D立的两个继电器输出通道；采用3500/32（4通道）或3500/33（16通道）继电器模块
 
　　每个本特利3500框架内配置一个3500/92Modbus通讯网关
 
　　对于工作在危险区的机组，接入现场信号的3500监测器模块要带有内置安全栅；并且3500框架内要配置3500/04本安接地模块。
 
　　螺杆压缩机
 
　　对于工作在危险区域的机组，本特利传感器及监测系统都要带有多机构批准单位选项。而对于工作在安全区的机组，则不做要求。
 
　　1.本特利bently测点配置要求
 
　　键相：压缩机组的每个相同转速的轴系配置一个键相位测点；采用本特利3300XL系列电涡流传感器进行测量。
 
　　轴振：每个滑动支持轴承上配置一对X/Y方向（互为垂直安装）的轴振测点，采用本特利3300XL系列电涡流传感器进行测量。
 
　　轴位移：压缩机组的每个推力轴承处配置双冗余的轴向位移测点；采用本特利3300XL系列电涡流传感器进行测量。
 
　　瓦振：每个滚动支持轴承上配置两个瓦振测点（水平和垂直方向安装），采用本特利330500系列Velomitor压电式振动速度传感器进行测量。
 
　　轴承温度（如适用）：每个滑动支持轴承及推力轴承均配置轴瓦温度测点；推力轴承的工作面和非工作面应同时配置温度测点。
 
　　齿轮箱壳振（如适用）：每个齿轮箱的输入和输出轴的支持轴承处各配置一对X/Y方向壳振测点；采用本特利330400系列压电式振动加速度传感器进行测量。
 3 data communication



The communication between the drive system and PLC adopts fl-net bus, optical fiber connection, and Ethernet communication between the frequency converter and the hub. See Fig. 7 for the structure.



En: Ethernet interface template I / O: input / output template EGD: Ethernet global data



Fl-net: fl-net template switch: switch



The PLC system is configured with a fl612 interface module and an EGD module to exchange data with each frequency converter. Each frequency converter address is configured in EGD, and the data exchange between transmission and PLC and transmission and transmission is completed through EGD.



The fl-net network takes Ethernet as the physical layer and adopts the bus topology structure. It is a PLC network standard adopted by Japan. The high layer of the protocol stack is UDP / IP + UDP / IP + single loop communication protocol to ensure the real-time communication.



The data exchange between the PLC system and the transmission system is based on the Ethernet global data processing communication (EGD). The EGD protocol is the data exchange protocol based on the Ethernet technology of Ge automation company of the United States. It realizes the high-speed transmission of 100Mbps data between one sender and multiple senders in the form of data packets, and follows the UDP / IP single loop communication protocol. The data transmission time interval is short, the security is strong, and it is not easy to lose. Each station is a two-way role, which is both a server and a client.



3. System commissioning



It can be seen from Fig. 5 that this is a typical double closed loop control system. Tmd-10e2 provides a variety of debugging means, from static motor self-test to load debugging, with the purpose of ensuring the stability and rapid response of the system.



3.1 fully meet the requirements of real-time acquisition and control





Other PLC fixed communication data storage addresses are inconvenient for application. S7-1200 can define different data addresses for different sub stations.





Some PLC communication instruction packages such as Omron or delta fix the data read by each communication in a specific register. When you want to use it, you can "transfer" it out of this register for use. This always means that when PLC reads different data of the same equipment or different equipment, you must "plan" to "move" the data you need from the public fixed data register "accurately" and "timely" according to different times, otherwise the public fixed data register may be replaced by "new" data refresh, resulting in data confusion. To complete these tasks, you must have good programming habits and write a lot of programs for timing processing. If the amount of data is large, it is definitely a test for an engineer.





S7-1200 is much more flexible in this regard. You can put the data you read into any defined data background data block, which is very easy and simple. Recently, the topic of new energy vehicles and lithium battery production lines has been very hot. Ningde times, a large domestic lithium battery manufacturer, has accelerated the layout of overseas markets. Recently, it announced that it plans to invest 7.34 billion euros (equivalent to 50 billion yuan) to build a second European plant in Hungary to produce new energy lithium batteries to supply new energy vehicles in the European market. It has also been reported that Ningde times plans to invest US $5 billion to build a plant in North America. Due to various sensitive issues, the North American plan has been temporarily shelved. What role can absolute value encoder play in the new production line?



It is understood that Ningde times currently has ten production bases in the world. As early as 2018, Ningde Times announced that its first overseas factory was set up in Thuringia, Germany. However, at present, the feedback of German factories is that the cost is too high and the construction cycle is too long. Considering the current international situation, the long overseas construction cycle may have weakened the market competitiveness when it is put into production.



Therefore, whether it is a factory in Hungary, a factory in North America, or even a new factory in China, the new production line is faced with the same problems due to the epidemic and import price rise:



Less business trips, shorter commissioning cycle, high one-time pass rate, simple and convenient use and maintenance, and rapid production. In response to such demands of customers, there is a rethinking of the "cost performance" of automation equipment and devices on the production line. The relationship between cost performance and reliability. The impact of worker training, efficiency and production line maintenance on costs needs to be considered in overseas localization production.





Lei Jun of Xiaomi also made a similar statement in his speech recently. In fact, the progressiveness of product technology is also to improve the cost performance of products. Customers not only pursue the progressiveness technology and sustainable development, but also consider the input-output cost of the production line and the future use cost. Facing too new technology, they feel that the cost is too high; It is difficult to trust the stability and reliability of some products that regard cheap as cost-effective. How to choose between "advanced technology" and "cost performance"?



It can be seen that "technology-based, cost-effectiveness oriented" has been the common thinking of science and technology leaders. Whether it is an overseas factory or a new domestic production line, how to consider the cost performance and reliability of the equipment on the production line? What is the proportion of automation equipment made in China in overseas production lines? How to reduce the impact of price rise and delivery time on the use of imported devices? Shanghai Jingpu encoder has many years of experience in exporting equipment to Europe, as well as domestic experience in the construction and application of automatic production lines. What role does our absolute value encoder play in the production line?

The addition of absolute value encoder can help customers reduce their worries about "reliability" and "use cost".



First of all, from the perspective of our encoder, there are at least the following points to consider for the new production line:

First, cost performance



Second, commissioning cycle



Third, reliability



Fourth, worker training



Fifth, convenience of later maintenance

The stability, reliability and efficiency of the production line have a direct impact on the efficiency of the enterprise. Recently, Zeng Yuqun, chairman of Ningde times, also mentioned three requirements at the world power battery conference: "first, higher requirements for R & D capability; second, higher requirements for manufacturing capability for large-scale delivery; and third, higher requirements for service capability for the in-depth development of the industry." The second point is aimed at the manufacturing capacity. Modern industrial production is no longer a single machine processing, but the entire production process needs to be fully automated. No matter whether the technology is advanced or not, any automated production line should be implemented around the goal of stability, reliability and efficiency.



Then, we think that the cost-effectiveness of the production line should be understood as follows. Next, take the lithium battery production line as an example. In all kinds of lithium battery manufacturing equipment for vehicles, when we mention the advanced and efficient manufacturing capacity, we often think of various servo motors as control systems for executing components. However, due to the manufacturing process of batteries, servo motors are not always used to complete various production processes, Some of them are stepper motors or even air cylinders. For example, the roller press is positioned by air cylinders.



In the traditional servo, the encoder is used as the sensor at the end of the motor. The synchronization of each position needs to receive the real-time position feedback from the encoder. The controller is connected in series through the industrial bus or industrial Ethernet to scan the position data one by one. Even the fastest bus and the fastest PLC will have some delay, which requires professional servo technicians to conduct on-site debugging. Sometimes the equipment is used for a long time, and the mechanical wear loss is large, When the positioning position changes after mechanical wear, professional technicians are required to adjust and maintain it on site. Under the demand of large-scale production capacity of the battery production line, the use cost and maintenance cost increase. The absolute value encoder is added to the mechanical terminal as the front-end sensor, and the position data is directly output to the controller in parallel for synchronous acquisition. No matter how many points work at the same time, and whether it is driven by the air cylinder or the stepping motor, it can realize the cooperative work between different actuators, and it does not need complicated debugging. It only needs manual calibration, writes the position value into the controller, and reads the value output switch point when the controller is running, Control the machine, the work efficiency is significantly improved, more stable and reliable, the on-site debugging is simple, and the later maintenance is also convenient. Here, the switch point is mentioned, and some people who know the technology can say that the photoelectric switch is used for positioning. However, in the battery production line, such as the welding head and the pressure roller, it is flexible. Obviously, only one or two switch points can not meet the requirements of accurate positioning, and once overshoot, the equipment will be damaged. Therefore, a flexible sensor scheme is required, The single turn absolute value encoder is used as a "flexible electronic cam switch". We simply understand the single turn absolute value encoder as a combination of many position switches in 360 degrees. Assuming that 360 degrees are divided into 360 switch point codes, the control equipment (such as PLC or microcontroller) receives the codes, and can select any of these 360 positions as the output switch point of the electronic cam as required, as the output of "cam in deceleration" and "cam out reset", To control the reciprocating operation of the mechanical device. This flexible electronic cam switch has high accuracy, high repeatability and high reliability. It can have multiple cam switch points at multiple positions. It can be programmed and output at any position according to the needs. It is very suitable for applications that require simple repetition and require reliability, such as the simple and repeated process requirements on the welding and packaging production line of lithium batteries.



With the absolute value encoder, you only need to manually lock the positions of several points during debugging, and then record the position values in the PLC program, which will not be changed in the future. The programming and debugging are very simple, and the later use can also ensure long-term reliability. As for the output signal of the absolute value encoder, because most industrial control equipment will use the analog interface, the analog acquisition module collects all the input signals at the same time, with high synchronization and good compatibility, and it is very convenient to check the fault on site with only one multimeter, so the single loop absolute value encoder of the analog signal of 4-20mA signal has many advantages such as simple wiring, simple reading, simple debugging and simple maintenance, In the case of low precision and high reliability, it is preferred by the field engineers.



Due to the limited space of the lithium battery production line, the sensor is required to be small in size and continuous high-speed welding. On the one hand, the surrounding environment temperature will be high; on the other hand, the welding machine is close to each other, which will generate high electromagnetic interference. Therefore, the following higher requirements are put forward for the sensor:



1. Small volume

2. Anti surrounding electromagnetic interference

2. High accuracy

3. High repeatability

4. High reliability

5. High temperature resistance and long service life in the current automation equipment, the use of servo motor control has become an advanced trend. The equipment automation must be efficient, simple and reliable. If the technology is complicated, the debugging cycle is long and the maintenance service is troublesome. The simple, efficient, reliable and durable encoder of the electronic cam type is becoming more and more popular in the factory automation equipment. This simple and repetitive automatic processing is handed over to the absolute value encoder and the general PLC, and the absolute value digital code disk can be easily completed. The built-in signal conversion, 4-20mA analog current and RS485 double output are convenient to connect the PLC of various brands and the upper computer equipment.



Non contact working principle, moisture resistance, vibration resistance, high-precision digitization, replacing incremental encoders and potentiometers, helping industrial upgrading



It can be set by easypro software on the computer side: 4mA corresponding value, 20mA corresponding value can be set and adjusted arbitrarily, direction setting, external setting line can set preset position (such as midpoint setting), directly corresponding to single circle angle measurement, easy installation, no need for change.



The full range absolute value data is easy to debug, the full digital measurement value has high linearity, the signal is stable and not affected by temperature and machinery, and the signal interference zero drift is very small.



Solid shape structure, double bearing design, strong anti vibration performance, suitable for harsh working conditions



Wide power supply design, wide working temperature, various electrical protection, long service life pftl101a, pftl101ae, pftl101aer, pftl101b, pftl201, pftl301e, pfcl201c / CD, pfcl201ce, pfel111, pfel112, pfel113, pfea111, pfcl201c, pftl101b, pftl101be, pftl101ber, pftl201c, pfcl301e, pftl301e, pfrl101d, pfrl101c, pfrl101b, pfrl101a, pfea113, pfea112, pfea111, pfrl101d tl201ce, pftl201d, pftl201de, pfvl141v PFVL141C、PFVL141R、PXAH401、PFVA401、PFBL141B/C、PFEA101、PFVL142V、PFVL142C、PFVL142R。 Under the great changes that have not occurred in the world in a century, the new