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3BHB007209R0102控制卡件
369电机管理继电器支持强制参数化。继电器将其用户参数数据/设定点保存在非易失性存储器中，并且在DP主机启动期间不需要设备相关参数化。这个369PC软件是369设备用户参数化的最佳工具。10.2.2 369MMR-DP配置Profibus DP基本配置有一个DP主设备和一个DP从设备。在典型的公交路段中，最多32个车站可以已连接（如果一条总线上有32个以上的站点运行，则必须使用中继器）。Profibus DP网络上的终端节点必须端接，以避免总线上的反射。如果369电机管理继电器用作第一个或最后一个网络中的模块，车载终端开关处于on位置（默认为OFF），或外部终端必须使用连接器。
可以使用S1:369 COMMUNICATIONS\Profibus address设置作为Profibus DP节点的继电器的总线地址
设置点或通过369PC软件，将地址范围从1扩展到126。地址126仅用于调试目的，不应用于交换用户数据。
现场总线的介质是双绞线铜电缆以及9针SUB-D连接器，它将总线连接到继电器背面的369插座。369电机管理继电器具有自动音频支持。波特率和其他配置所需的从机特定信息包含在369_xxxx中。gs*，由网络配置程序使用。
369电机管理继电器作为DP从设备
根据主从设备向DP主设备传输快速过程数据道德原则369电机管理继电器支持从机强制（6字节系统范围标准化）和从机特定诊断数据。如果诊断被视为高优先级，PLC/主机程序将收到故障通知（报警或trip）并可以调用特殊的错误例程。当369处于模拟模式时，DP主机将获得静态诊断消息，这意味着369MMR-DP产生了非进程（模拟值），DP主机应停止数据与369MMR-DP交换。继电器的扩展诊断由26个字节（字节7至32）组成，包含诊断信息如下表所示。从地址：这是每个传输的第一个字节。它表示从设备的用户分配地址即接收主机发送的消息。每个从设备必须分配一个唯一的地址，并且只有寻址从设备将响应以其地址开始的传输。在主请求传输中，SLAVEADDRESS表示请求被发送到的从设备的地址。在从属响应传输中SLAVE ADDRESS表示发送响应的从设备的地址。注：带有SLAVE ADDRESS为0表示广播命令。广播命令可用于特定功能。
功能代码：这是每个传输的第二个字节。modbus协议定义了1到127的功能代码。
369实现了其中一些功能。在主请求传输中，功能代码告诉从设备要执行的操作。在从机响应传输中，如果从机发送的功能代码与主机发送的指示从机按要求执行功能的功能代码相同。如果从从设备发送的功能代码为1（即，如果功能代码>127），则从设备未按要求执行功能，正在发送错误或异常响应。
数据：这将是一个可变的字节数，取决于功能代码。这可能是实际值、设定点、或主机发送给从机或从机发送给主机的地址。数据首先发送MSByte，然后是LS字节。CRC：这是一个双字节错误检查代码。CRC首先发送LSByte，然后发送MSByte。
The 369 Motor Management Relay supports
mandatory parametrization. The relay keeps its user parameter data / setpoints in a non-volatile memory and does not need device related parametrization during startup of the DP master. The 369PC software is the best tool for user parametrization of the 369 device. 10.2.2 369MMR-DP CONFIGURATION The Profibus-DP basic configuration has one DP master and one DP slave. In a typical bus segment up to 32 stations can be connected (a repeater has to be used if more then 32 stations operate on a bus). The end nodes on a Profibus-DP network must be terminated to avoid reflections on the bus line. If the 369 Motor Management Relay is used as the first or last module in a network the on-board termination switch has be in the ON position (default is OFF), or an external termination connector has to be used. The bus address for the relay as Profibus-DP node can be set using the S1: 369 COMMUNICATIONS \ PROFIBUS ADDRESS setpoint or via the 369PC software, which extends address range from 1 to 126. Address 126 is used only for commissioning purposes and should not be used to exchange user data. The media for the fieldbus is a twisted pair copper cable along with 9-pin SUB-D connector, which connects the bus to the 369 socket on the back of the relay. The 369 Motor Management Relay has autobaud support. The baud rates and other slave specific information needed for configuration are contained in 369_xxxx.gs* which is used by a network configuration program. The 369 Motor Management Relay as a DP slave transfers fast process data to the DP master according to master-slave principle.
The 369 Motor Management Relay supports both slave mandatory (6 bytes system-wide standardized) and slave specific diagnostic data. If the diagnostics are considered hi-priority, the PLC/host program will be informed of the fault (alarm or trip) and can call a special error routine. When the 369 is in Simulation mode, the DP master will get a static diagnostic message, which means the 369MMR-DP produced non-process (simulated values), and the DP master should stop data exchange with the 369MMR-DP. The extended diagnosis for the relay is composed of 26 bytes (bytes 7 to 32) and contains diagnostic information according to the following table.
SLAVE ADDRESS
This is the first byte of every transmission. It represents the user-assigned address of the slave device that is to receive the message sent by the master. Each slave device must be assigned a unique address and only the addressed slave will respond to a transmission that starts with its address. In a master request transmission the SLAVE ADDRESS represents the address of the slave to which the request is being sent. In a slave response transmission the SLAVE ADDRESS represents the address of the slave that is sending the response. Note: A master transmission with a SLAVE ADDRESS of 0 indicates a broadcast command. Broadcast commands can be used for specific functions. FUNCTION CODE: This is the second byte of every transmission. The modbus protocol defines function codes of 1 to 127. The 369 implements some of these functions. In a master request transmission the FUNCTION CODE tells the slave what action to perform. In a slave response transmission if the FUNCTION CODE sent from the slave is the same as the FUNCTION CODE sent from the master indicating the slave performed the function as requested. If the high order bit of the FUNCTION CODE sent from the slave is a 1 (i.e. if the FUNCTION CODE is > 127) then the slave did not perform the function as requested and is sending an error or exception response. DATA: This will be a variable number of bytes depending on the FUNCTION CODE. This may be actual values, setpoints, or addresses sent by the master to the slave or by the slave to the master. Data is sent MSByte first followed by the LSByte. CRC: This is a two byte error checking code. CRC is sent LSByte first followed by the MSByte.
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