產(chǎn)品內容介紹
12P1732X042模擬量輸入模塊
最小命令延遲
0至65535毫秒
此參數指定初始發(fā)布之間等待的毫秒數命令。
此參數可用于將發(fā)送到服務(wù)器的所有命令延遲到避免在網(wǎng)絡(luò )上“泛濫”命令。此參數不影響命令，因為它們將在識別到故障時(shí)發(fā)出。響應超時(shí)0至65535毫秒
此參數指定如果沒(méi)有從尋址服務(wù)器收到響應，客戶(hù)端在重新發(fā)送命令之前等待的時(shí)間（毫秒）。
價(jià)值使用取決于使用的通信網(wǎng)絡(luò )類(lèi)型和預期響應網(wǎng)絡(luò )上最慢設備的時(shí)間。
SIE客戶(hù)端x命令配置的SIE Client x Commands部分設置了Siemens Industrial以太網(wǎng)客戶(hù)端命令列表。
此命令列表輪詢(xún)西門(mén)子工業(yè)以太網(wǎng)連接到西門(mén)子工業(yè)以太網(wǎng)客戶(hù)端端口的服務(wù)器設備。
模塊支持多種命令。這使得模塊可以與各種各樣的接口西門(mén)子工業(yè)以太網(wǎng)協(xié)議設備。
每個(gè)命令所用的功能代碼都是西門(mén)子規定的工業(yè)以太網(wǎng)協(xié)議。每個(gè)命令列表記錄都具有相同的格式。
第一個(gè)記錄的一部分包含與MVI56E-SIE通信相關(guān)的信息模塊，第二部分包含與西門(mén)子接口所需的信息工業(yè)以太網(wǎng)服務(wù)器設備。
命令列表概述為了將模塊與西門(mén)子工業(yè)以太網(wǎng)服務(wù)器設備連接必須構造命令列表。
列表中的命令指定服務(wù)器設備被尋址，要執行的功能（讀或寫(xiě)），設備中的數據區接口，以及與設備關(guān)聯(lián)的內部數據庫中的寄存器
數據客戶(hù)機命令列表最多支持16個(gè)命令。
命令列表從上到下進(jìn)行處理（命令#1）。
輪詢(xún)間隔參數與每個(gè)命令關(guān)聯(lián)，以指定以十分之一為單位的最小延遲時(shí)間命令發(fā)出之間的秒數。
如果用戶(hù)為指定值10參數，則命令的執行頻率不會(huì )超過(guò)每1秒一次。
模塊支持的命令
列表中每個(gè)命令的格式取決于西門(mén)子工業(yè)以太網(wǎng)正在執行的功能代碼。
下表列出了模塊支持的功能。
函數的類(lèi)型這也將取決于服務(wù)器設備及其支持的內容。
以下是使用支持的S7-200、S7-300和S7-1200功能的示例MVI56E-SIE模塊。每個(gè)命令列表記錄具有相同的常規格式。
記錄的第一部分包含與通信模塊相關(guān)的信息，以及第二部分包含與西門(mén)子工業(yè)以太網(wǎng)服務(wù)器接口所需的信息裝置命令輸入格式下表顯示了每個(gè)支持的命令。
Minimum Command Delay
0 to 65535 milliseconds This parameter specifies the number of milliseconds to wait between the initial issuances of a command. This parameter can be used to delay all commands sent to servers to avoid "flooding" commands on the network. This parameter does not affect retries of a command as they will be issued when failure is recognized. Response Timeout 0 to 65535 milliseconds This parameter specifies the time in milliseconds that a Client will wait before retransmitting a command if no response is received from the addressed server. The value to use depends on the type of communication network used, and the expected response time of the slowest device on the network.
Each command list record has the same general format. The first part of the record contains the information relating to the communication module, and the second part contains information required to interface to the Siemens Industrial Ethernet server device. Command Entry Formats The following table shows the structure of the configuration data necessary for each of the supported commands.
SIE Client x Commands
The SIE Client x Commands section of the configuration sets the Siemens Industrial Ethernet Client command list. This command list polls Siemens Industrial Ethernet server devices attached to the Siemens Industrial Ethernet Client port. The module supports numerous commands. This permits the module to interface with a wide variety of Siemens Industrial Ethernet protocol devices. The function codes used for each command are those specified in the Siemens Industrial Ethernet protocol. Each command list record has the same format. The first part of the record contains the information relating to the MVI56E-SIE communication module, and the second part contains information required to interface to the Siemens Industrial Ethernet server device. Command List Overview In order to interface the module with Siemens Industrial Ethernet server devices, a command list must be constructed. The commands in the list specify the server device to be addressed, the function to be performed (read or write), the data area in the device to interface with, and the registers in the internal database to be associated with the device data. The Client command list supports up to 16 commands. The command list is processed from top (command #1) to bottom. A poll interval parameter is associated with each command to specify a minimum delay time in tenths of a second between the issuances of a command. If the user specifies a value of 10 for the parameter, the command will be executed no more frequently than every 1 second. Commands Supported by the Module The format of each command in the list depends on the Siemens Industrial Ethernet Function Code being executed. The following table lists the functions supported by the module. The type of functions that will be supported will also depend on the server device and what it can support. Below are examples of S7-200, S7-300 and S7-1200 functions that are supported using MVI56E-SIE module.
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