產(chǎn)品標(biāo)題:KJ4010X1-BG1 12P0830X062 本地總線右擴(kuò)展器

型號(hào)： KJ4010X1-BG1 12P0830X062 

品牌：艾默生

                                                                                 產(chǎn)品詳情資料：

診斷除了循環(huán)數(shù)據(jù)外，PROFIBUS從屬單元還提供診斷數(shù)據(jù)。利用此診斷數(shù)據(jù)，從設(shè)備可以指示從設(shè)備、I/O設(shè)備或I/O通道上的錯(cuò)誤或警告。一些診斷數(shù)據(jù)是通用的，由PNO定義。但大多數(shù)診斷數(shù)據(jù)都是特定于制造商的。以下錯(cuò)誤/警告是PROFIBUS診斷的示例：通道相關(guān)：–斷線–短路模塊相關(guān)：–錯(cuò)誤模塊類型–模塊丟失從屬相關(guān)：–電源2錯(cuò)誤–內(nèi)部總線錯(cuò)誤

循環(huán)數(shù)據(jù)通信DPM1（DP Master Class 1）及其分配的從機(jī)之間的數(shù)據(jù)通信由DPM1按照定義的循環(huán)順序自動(dòng)處理。每次用戶數(shù)據(jù)傳輸時(shí)，主機(jī)可以向從機(jī)寫入***多244字節(jié)的輸出數(shù)據(jù)，并從從機(jī)讀取***多244個(gè)字節(jié)的輸入數(shù)據(jù)。數(shù)據(jù)在一個(gè)過程中同步讀取和寫入。在這種情況下，通過控制生成器M中的硬件配置將從機(jī)分配給DPM1，即CI854/CI854A。DPM1和從機(jī)之間的數(shù)據(jù)通信分為三個(gè)階段：參數(shù)化、配置和數(shù)據(jù)傳輸。在主設(shè)備在數(shù)據(jù)傳輸階段包括DP從設(shè)備之前，在參數(shù)化和配置階段運(yùn)行檢查，以確保配置的設(shè)***配置與實(shí)際設(shè)備配置匹配。在此檢查期間，設(shè)備類型、格式和長(zhǎng)度信息以及輸入和輸出的數(shù)量也對(duì)應(yīng)。這為您提供了針對(duì)參數(shù)化錯(cuò)誤的可靠保護(hù)。

                          產(chǎn)品英文詳情資料：

Diagnostics In addition to the cyclic data the PROFIBUS slave unit provides diagnostic data. With this diagnostic data the slave can indicate errors or warnings on the slave unit, the I/O-units or the I/O-channels. Some diagnostic data is generic and defined by the PNO. But most of the diagnostic data is manufacturer specific. The following errors/warnings are examples for PROFIBUS diagnostics: Channel related: – Wire break – Short circuit Module related: – Wrong module type – Module missing Slave related: – Power supply 2 error – Internal bus error

Cyclic Data Communication The data communication between the DPM1 (DP Master Class 1) and its assigned slaves is automatically handled by the DPM1 in a defined, recurring sequence. With each user data transfer, the master can write up to 244 bytes of output data to the slave and read up to 244 bytes of input data from the slave. The Data is read and written synchronously in one procedure.The assignment of the slaves to the DPM1, CI854/CI854A in this case, is done via the HW configuration in Control Builder M.The data communication between the DPM1 and the slaves is divided into three phases: parameterization, configuration and data transfer. Before the master includes a DP slave in the data transfer phase, a check is run during the parameterization and configuration phase to ensure that the configured setpoint configuration matches the actual device configuration. During this check, the device type, format and length information and the number of inputs and outputs must also correspond. This provides you with reliable protection against parameterization errors.

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