產(chǎn)品內(nèi)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(shù)指定初始發(fā)布之間等待的毫秒數(shù)命令。
此參數(shù)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(shù)不影響命令，因為它們將在識別到故障時發(fā)出。響應(yīng)超時0至65535毫秒
此參數(shù)指定如果沒有從尋址服務(wù)器收到響應(yīng)，客戶端在重新發(fā)送命令之前等待的時間（毫秒）。
價值使用取決于使用的通信網(wǎng)絡(luò)類型和預(yù)期響應(yīng)網(wǎng)絡(luò)上最慢設(shè)備的時間。
SIE客戶端x命令配置的SIE Client x Commands部分設(shè)置了Siemens Industrial以太網(wǎng)客戶端命令列表。
此命令列表輪詢西門子工業(yè)以太網(wǎng)連接到西門子工業(yè)以太網(wǎng)客戶端端口的服務(wù)器設(shè)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子工業(yè)以太網(wǎng)協(xié)議設(shè)備。
每個命令所用的功能代碼都是西門子規(guī)定的工業(yè)以太網(wǎng)協(xié)議。每個命令列表記錄都具有相同的格式。
第一個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子接口所需的信息工業(yè)以太網(wǎng)服務(wù)器設(shè)備。
命令列表概述為了將模塊與西門子工業(yè)以太網(wǎng)服務(wù)器設(shè)備連接必須構(gòu)造命令列表。
列表中的命令指定服務(wù)器設(shè)備被尋址，要執(zhí)行的功能（讀或?qū)懀?，設(shè)備中的數(shù)據(jù)區(qū)接口，以及與設(shè)備關(guān)聯(lián)的內(nèi)部數(shù)據(jù)庫中的寄存器
數(shù)據(jù)客戶機命令列表最多支持16個命令。
命令列表從上到下進行處理（命令#1）。
輪詢間隔參數(shù)與每個命令關(guān)聯(lián)，以指定以十分之一為單位的最小延遲時間命令發(fā)出之間的秒數(shù)。
如果用戶為指定值10參數(shù)，則命令的執(zhí)行頻率不會超過每1秒一次。
模塊支持的命令
列表中每個命令的格式取決于西門子工業(yè)以太網(wǎng)正在執(zhí)行的功能代碼。
下表列出了模塊支持的功能。
函數(shù)的類型這也將取決于服務(wù)器設(shè)備及其支持的內(nèi)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。每個命令列表記錄具有相同的常規(guī)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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