西门子PLC模块代理商江西一级代理

西门子PLC模块代理商江西一级代理学习电气控制的主导思想简单的问题复杂化：根据能用到的所有场景将各个指令深入测试和研究，常规和非常规的都要测试。（3）梯形图思维：每一个指令的变化将会导致不同的结果。用梯形图的思维按照生产工艺去编写程序，逐个分析指令的增减可能导致的，修改并完善程序，然后再调试运行。（4）以被控机械为主、电气控制为辅的原则来实现工艺需求。1.4.3　学习电气控制和PLC需要具备的能力（1）自学能力：电气控制技术*新换代比较快，所以需要具备自学能力才能应对逐渐变化的技术发展。（2）分析能力：电气接线和编程一般都比较复杂，同一现象的发生可能是由多种因素导致的，因此需要良好的分析能力和判断能力。（3）处理问题的能力：做电气控制要胆大心细，要有处理问题的能力，否则以后面对新的现场和复杂的程序，没有处理问题的能力则无法顺利完成项目。1.4.4　学习电气控制和PLC的工具西门子PLC模块代理商江西一级代理（1）：官有经典实用案例和特别注意事项，官有技术、软件、手册和说明书。（2）百度：百度一般有你想要的资料，百度能解决一般的问题，百度也可以给你指引一定的思路。（3）淘宝：的淘宝几乎什么都有，如果想要学习，比较快捷的方法是去淘宝搜索自己需要的设备和器件verviewSCALANCE X-204RNA for HSR (High-availability Seamless Redundancy Protocol in accordance with IEC 62439-3) and PRP (Parallel Redundancy Protocol in accordance with IEC 62439-3)HSR西门子PLC模块代理商江西一级代理The SCALANCE X-200RNA (Redundant Network Access) managed Industrial Ethernet network access points with HSR functionality are used to connect up to two non-HSR-enabled terminal devices or network segments to a ring-shaped HSR network structure. They can also be used for simple and redundant transition from HSR to PRP (Parallel Redundancy Protocol) network structures.Media redundancy thanks to duplicate transmission of frames in ring-shaped networksHigh system availability since frames are sent simultaneously via two routes in the ringNo reconfiguration times of the ring-shaped network are required in the event of an error due to duplicate transmission of frames in the ringSimple and redundant connection of HSR and PRP network structuresPRPThe SCALANCE X-200RNA (Redundant Network Access) managed Industrial Ethernet network access points with PRP functionality are used to connect up to two non-PRP-enabled terminal devices or network segments to parallel networks.Media redundancy thanks to duplicate transmission of frames in two parallel, separate networksHigh system availability since frames are sent simultaneously over two separate networksReconfiguration times in a subnetwork do not affect the propagation time because the frames are transmitted via two separate networks (bumpless redundancy)Product variants西门子PLC模块代理商江西一级代理Network access point in plastic enclosure with electrical portsSCALANCE X204RNA for HSR or PRP networksFor connecting up to two non-HSR- or PRP-enabled terminal devices to ring-shaped networks with four electrical portsNetwork access point in metal enclosure with electrical and optical ports as well as a wide-range power supply unit for use in expanded ambient conditionsSCALANCE X204RNA EEC for HSR or PRP networksFor connecting up to two non-HSR- or PRP-enabled terminal devices to ring-shaped networks with two electrical terminal device ports and two optical/electrical combo ports for network connectionSCALANCE X204RNA EEC for PRP or HSR networksFor connecting up to two non-PRP-enabled or non-HSR-enabled terminal devices to redundant networks with two electrical terminal device ports and two optical/electrical combo ports for network connection. PRP or HSR function can be defined by the user when starting the device (for description of PRP function, see chapter on X204RNA with PRP function).Redundant 24 V DC voltage infeed or wide-range power supply unit, depending on device versionSNMP access, integrated web server and automatic email transmission function for remote diagnostics and signaling via the networkIntegration into the SINEC NMS network management system for end-to-end network diagnostics with central firmware management西门子PLC模块代理商江西一级代理BenefitsIdeal solution for establishing Industrial Ethernet networks with high network availabilityHSR: Bumpless data transmission in ring-shaped network structures for high availability systems (e.g. process automation)PRP: Bumpless data transmission in parallel network structures for high availability systemsQuick and easy diagnostics with LEDs on the device, using integrated web server or SINEC NMS and via signaling contactIntegration of SCALANCE X-200RNA network access points in existing network management systems (e.g. SINEC NMS) through SNMP accessSimple commissioning without mandatory configuringModule replacement without the need for a programming device, using the C-plug removable data storage medium for backing up the configuration dataApplicationThe SCALANCE X-200RNA Industrial Ethernet network access points enable low-cost connection of non-HSR-enabled terminal devices to ring networks, and non-PRP-enabled terminal devices to parallel, separate networks with high availability requirements. The devices with degree of protection IP20 are designed for use in the control cabinet.Features:Device diagnostics with LEDs (power, link status, data communication)Remote diagnostics is possible through signaling contact (signal mask can be set locally using buttons), SNMP or SINEC NMS and web browserWith their suitability for an extended range of ambient conditions, the SCALANCE X-200RNA EEC modules can be used in power switching and distribution systems (IEC 61850-3, IEEE 1613) in tough industrial environmentsDesignThe SCALANCE X204RNA and X204RNA EEC network access points with rugged plastic or metal enclosures have been optimized for installation on a standard mounting rail and for direct wall mounting in different mounting positions.The network access points with IP20 degree of protection feature:A 4-pin terminal block for connecting the redundant supply voltage (2 x 24 V DC), or a 3-pin terminal block in the case of the wide-range power supply unitA row of LEDs to indicate the status information (power, link status, data traffic, power supply, signaling contact)A 2-pin or 3-pin terminal block for connecting the floating signaling contact in the corresponding voltage rangeA SET button for on-site configuration of the signaling contactThe SCALANCE X-200RNA modules are available with the following port types:100BaseTX, RJ45 connection;RJ45 port with a data rate of 100 Mbps, with autosensing and autocrossover function for the connection of IE FC cables via IE FC RJ45 Plug 180 up to 100 m100BaseTX, combo port (RJ45, SFP slot);100 Mbps combo ports for direct connection to Industrial Ethernet copper cables or glass fiber-optic cables (multimode/singlemode fiber-optic cable);if the RJ45 interface of the combo port is used, the SFP slot is deactivated, and vice versa.FunctionConnection of non-HSR-enabled terminal equipment to ring-shaped networks, and non-PRP-enabled terminal devices to parallel, separate networksTransition from ring-shaped HSR networks to parallel PRP network structures with HSR and combination unitParallel data transmission by means of duplicate transmission in the ring network, or via two parallel separate networksUncrossed connecting cables can be used due to autocrossover function integrated in the portsEasy diagnostics using signaling contact, SNMP and web browserFast device replacement in the event of a fault by using the optional C-plug removable data storage medium (not included in scope of delivery)Network topology and network configuration西门子PLC模块代理商江西一级代理The SCALANCE X-200RNA switches with IP20 degree of protection are usually installed in a control cabinet together with the stations to be connected. They can be mixed electrically and optically in star and line topologies.When configuring the network, the following boundary conditions must be observed:Length of the twisted pair line between the network and SCALANCE X-200RNA:Max. 100 m with IE FC cable and IE FC RJ45 plug 180Max. 10 m using patches with TP cordLength of the optical cables between the network and SCALANCE X-200RNAMax. 5000 m with Industrial Ethernet glass fiber-optic cables (multimode)Max. 26 000 m with Industrial Ethernet glass fiber-optic cables (single-mode)IP address:西门子PLC模块代理商江西一级代理The IP address is assigned via the DHCP (Dynamic Host Configuration Protocol). If there is no corresponding server in the network, the IP address can be assigned using the supplied software tool PST (Primary Setup Tool).Commissioning and diagnosticsThe SCALANCE X-200RNA Industrial Ethernet network access points can be integrated into a network management system (e.g. SINEC NMS) via the standardized protocol SNMP (Simple Network Management Protocol). In the event of faults in the device, error messages (SNMP traps) can be sent to a network management system (e.g. SINEC NMS) or as an email to a specified network administrator.The integrated web server enables configuration and diagnostics settings to be made using a standard web browser (e.g. port configuration). Statistical information can also be read out over the web server (e.g. port capacity utilization).The following information is displayed on site by LEDs:PowerPort statusData trafficSignaling contactHSR activityThe SCALANCE X-200RNA Industrial Ethernet network access points can also be monitored using the floating signaling contact.Bumpless, redundant communication in networks with PRP and HSR-enabled SIMATIC NET and Industrial Ethernet switch componentsTechnical specificationsOrder number HSR6GK5204-0BA00-2MB26GK5204-0BS00-2NA36GK5204-0BS00-3PA3Order number PRP6GK5204-0BA00-2KB26GK5204-0BS00-3LA3product type designationSCALANCE X204RNASCALANCE X204RNA EECtransfer ratetransfer rate10 Mbit/s, 100 Mbit/sinterfaces for communication integratednumber of electrical connections● for network components or terminal equipment42number of combo ports with RJ45 interface for optical plug-in transceiver2interfaces other● for signaling contact11● for power supplytype of electrical connection2-pole terminal block3-pole terminal block4-pole terminal blockdesign of the removable storage● C-PLUGYesYessignal inputs/outputsoperating voltage of the signaling contacts● at AC rated value230 V230 V● at DC rated value24 V24 Voperational current of the signaling contacts● at AC maximum0.1 A0.1 A● at DC maximum0.1 Asupply voltage, current consumption, power lossproduct component connection for redundant voltage supplytype of voltage 1 of the supply voltageDC● supply voltage 1 rated value● power loss [W] 1 rated value3.5 W6 W19.2 ... 28.8 V85 ... 276 V● consumed current 1 maximum0.15 A0.25 A● type of electrical connection 1 for power supply● product component 1 fusing at power supply input● fuse protection type 1 at input for supply voltage2.0 A1.25 Atype of voltage 2 of the supply voltage● supply voltage 2 rated value85 ... 276 Vambient conditionsambient temperature● during operation-40 ... +60 °C-40 ... +70 °C● during storage-40 ... +70 °C● during transport● noteA maximum operating temperature of +85 °C is permissible for a duration of 16 hoursA maximum operating temperature of +85 °C is permissible for a duration of 16 hoursrelative humidity● at 25 °C without condensation during operation maximum95 %95 %protection class IPIP20design, dimensions and weightsdesigncompactwidth45 mm70 mmheight100 mm147 mmdepth87 mm123 mmnet weight0.23 kg0.78 kgproduct feature conformal coatingYesfastening method● 35 mm top hat DIN rail mounting● wall mountingNo● S7-300 rail mountingNo● S7-1500 rail mounting是需要实际上路来开车实践的。本书就像导航软件一样对大家进行一些指导和指引，帮助大家找到合适的方法和路线，避免绕远和走弯路，进而提高学习效率。1.4.1　，没有相同型号的则可以找类似的，卖家将描述的详细程度让你不懂都不行。这家不行再找下一家，总有一家能解决你的问题。较为**的就是使用参数和基本的接线，不懂的还可以打电话问卖家如何使用。明你不是*人，你不是*人就会有所忘记。既然你会有所忘记，你就需要做笔记或者总结文档，方便日后自己不懂的时候拿出来看看，也方便你日后可以教授给其他人。总结一下：把自己当老师来对待，做好将所学知识教给其他人的准备，因为每个人的见解都是*特的。1.5.3　营造学习氛围找到工控圈或者学习群，这样的群体会给你带来不同的*观、体验观和不同的机会。包括学习机会、开阔视野的机会、就业机会和做工程项目的机会等。我们每个人都需要有自己的圈子，电气人员*需要有这样的圈子。1.6　PLC编程的学习路线1.6.1　制订学习计划表西门子PLC模块代理商江西一级代理如果一个人学一门课程没有规划那是失败的。要么按照我们的学习思路，要么按照自己的学习思路制订学习计划表。按照学习计划表去要求和约束自己的行为。学习一门课程所遇到的每一个课题大家都要反问自西门子PLC模块代理商江西一级代理