西門子CPU417訂貨號：6ES7417-4XT05-0AB0
CPU 417-4的：
強大的處理器：
的CPU實現指令執行時間為0.018微秒每二進制指令的低。
30 MB RAM （其中有15 MB的程序和數據） ;
快速RAM ，用戶程序的有關執行部分。
靈活的擴展：
高達262144數字和16384模擬輸入/輸出。
多點接口MPI ：
與MPI ，它可以建立簡單的網絡最大。在數據傳輸速率可達12 Mbit / s的32站CPU可以建立多達44連接到通訊總線（ C總線）和MPI站】注意： 】如果PROFIBUS DP接口和MPI接口同時工作，這是唯一可行的連接下面的總線連接器MPI接口：
帶插座： 6ES7 972 - 0BB41 - 0XA0
沒有插座：6ES7 972 - 0BA41 - 0XA0
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- Block protection:
a password concept also protects the user program from unauthorized access - Integrated HMI services:
The user only has to specify the source and destination of the data with HMI devices. The data are then transported cyclically and automatically by the system. - Integrated communication functions:
- PG/OP communication
- Global data communication
- S7 standard communication
- S7 communication
Configurable Attributes
The STEP 7 tool "Hardware configuration" can be used to program the properties and response of the S7-400 including the CPUs, e.g.
- Multipoint interface MPI:
- Definition of node addresses
- Startup/cycle behavior
- Stipulation of the maximum cycle time and communication load
- Address allocation:
Addressing of I/O modules - Retentive area:
Definition of the number of retentive bit memories, counters, timers, data blocks, and clock memories - Size of the process image, local data
- Length of the diagnostics buffer
- Protection level:
Definition of access authorizations to program and data - System diagnostics:
Definition of the handling and scope of diagnostics messages - Timed interrupts:
Setting of periods - Configuring
Reporting functions
- Status and fault indicators:
LEDs indicate internal and external faults and operating modes such RUN, STOP, restart, test function, etc. - Test functions:
The PG can be used to display signal states in program execution, modify process tags irrespective of the user program, read out the contents of stack memories, run separate program steps and inhibit program components. - Information functions:
The PG can be used to provide the user with information about the memory capacity and operating mode of the CPU, and the current utilization of the working and load memories.
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