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745-W2-P5-G5-HI-R-E综合保护继电器
客户端驱动程序
在客户端驱动程序中，MVI56E-SIE模块向服务器发出读或写命令在西门子工业以太网上使用最多20个模拟客户端。这个命令来自模块的用户配置的客户机x命令列表每个客户。
客户机x命令列表中的命令通过以下方式执行常规轮询或由于来自加工机客户机状态数据以特殊的客户机状态块返回给处理器。
以下流程图描述了进出模块的数据流。
1当模块重新启动时，客户端驱动程序获取配置数据。这包括超时参数和命令列表。这些值由驾驶员使用确定要发送给西门子服务器的命令类型工业以太网。
2配置后，客户端驱动程序开始传输读取和/或写入命令到网络上的服务器。写入命令的数据从模块的内部数据库。
3假设命令中指定的服务器成功处理，则响应消息被接收到客户端驱动程序中进行处理。
4如果命令是一个读取命令。常规模块状态信息在输入图像中返回到处理器。
5处理器可以请求特定客户端的状态数据，并在特殊的客户端状态块。
6特殊功能，如命令控制选项，可由处理器并发送给客户端驱动程序以执行操作。客户端命令列表
为了使客户机运行，必须在中定义模块的客户机命令列表配置的SIE Client x Commands部分。此列表最多包含16个单个条目，每个条目包含构造有效
命令这包括以下内容：
命令启用模式：（0）禁用或（1）连续
远程服务器上要连接的IP地址和服务端口
从节点地址
命令类型-读取或写入
数据库源和目标寄存器地址-确定数据的位置放置和/或获取
计数-选择要传输的字数-参见参考依据处理器类型
轮询延迟-1/10秒
有关命令故障排除的信息，请参阅客户端命令错误以太网电缆规格建议使用5类或更好的电缆。5类电缆有四个绞合线成对导线，它们有颜色编码，不能交换。模块仅使用四对中的两对。
模块上的以太网端口为自动感应。您可以使用任一标准将模块连接到以太网集线器、10/100 Base-T以太网交换机或直接连接到PC。模块将检测电缆类型，并使用适当的引脚发送和接收以太网信号。
以太网布线与美国电话电缆类似，只是它有八根导线。
一些集线器有一个输入端，可以接受直通或交叉电缆，取决于开关位置。在这种情况下，必须确保开关位置和电缆类型一致。
有关如何配置的示意图，请参阅以太网电缆配置（第140页以太网电缆。
Client Driver
In the Client driver, the MVI56E-SIE module issues read or write commands to servers on the Siemens Industrial Ethernet network using up to 20 simulated Clients. The commands originate either from the module's user-configured Client x Command List for each Client. The commands from the Client x Command List are executed either via routine polling or as a result of special Command Control block requests from the processor. Client status data is returned to the processor in special Client Status blocks. The following flowchart describes the flow of data into and out of the module.
1 The Client driver obtains configuration data when the module restarts. This includes the timeout parameters and the Command List. These values are used by the driver to determine the types of commands to be issued to servers on the Siemens Industrial Ethernet network. 2 When configured, the Client driver begins transmitting read and/or write commands to servers on the network. The data for write commands is obtained from the module's internal database. 3 Assuming successful processing by the server specified in the command, a response message is received into the Client driver for processing.4 Data received from the server is passed into the module's internal database, if the command was a read command. General module status information is routinely returned to the processor in the input images. 5 Status data for a specific Client can be requested by the processor and returned in a special Client Status block. 6 Special functions, such as Command Control options, can be generated by the processor and sent to the Client driver for action.
Client Command List
In order for the Client to function, the module's Client Command List must be defined in the SIE Client x Commands section of the configuration. This list contains up to 16 individual entries, with each entry containing the information required to construct a valid command. This includes the following: Command enable mode: (0) disabled or (1) continuous IP address and service port to connect to on the remote server Slave Node Address Command Type - Read or Write Database Source and Destination Register Address - Determines where data will be placed and/or obtained Count - Select the number of words to be transferred - see reference based on processor type Poll Delay - 1/10th seconds For information on troubleshooting commands, see Client Command Errors
Ethernet Cable Specifications
The recommended cable is Category 5 or better. A Category 5 cable has four twisted pairs of wires, which are color-coded and cannot be swapped. The module uses only two of the four pairs. The Ethernet ports on the module are Auto-Sensing. You can use either a standard Ethernet straight-through cable or a crossover cable when connecting the module to an Ethernet hub, a 10/100 Base-T Ethernet switch, or directly to a PC. The module will detect the cable type and use the appropriate pins to send and receive Ethernet signals. Ethernet cabling is like U.S. telephone cables, except that it has eight conductors. Some hubs have one input that can accept either a straight-through or crossover cable, depending on a switch position. In this case, you must ensure that the switch position and cable type agree. Refer to Ethernet cable configuration (page 140) for a diagram of how to configure Ethernet cable.
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