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Overview
- CPU for SIPLUS S7-400H
- Usable in high-availability systems such as the S7-400H
- Features a combined MPI/PROFIBUS DP master interface
- Features 2 slots for sync modules
Note:
SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme specific information was added.
Application
The CPU 412-5H can be used for the SIMATIC S7-400H. It enables configuration of an S7-400H high-availability system
The integrated PROFIBUS DP interfaces enable direct connection as master to the PROFIBUS DP fieldbus.
The integrated PROFINET interface with switch functionality forms the basis for providing 2 externally accessible PROFINET ports. In this way, linear or ring structures can be implemented.
Design
The CPU 412-5H features:
- A powerful processor:
The CPU achieves command execution times as low as 31.25 ns per binary command. - 1 MB RAM (512 KB for program, 512 KB for data);
load memory for user programs and parameterization data of the S7-400H automation system; high-speed RAM for sequence-relevant sections of the user program - A memory card:
For expanding the integrated load memory. In addition to the program itself, the information contained in the load memory also includes configuration data for the S7-400H, which is why it takes up around twice as much space in the memory. The result is:- The integrated load memory is not sufficient for large programs, which is why a memory card is often required.
RAM and FEPROM cards are available (FEPROM for saving data even when power supply is disconnected).
- The integrated load memory is not sufficient for large programs, which is why a memory card is often required.
- Flexible expansion options
Up to 131 072 digital and 81 932 analog inputs/outputs - Combined MPI/PROFIBUS DP interface:
The MPI enables the creation of a simple network with up to 32 nodes and a data transfer rate of 187.5 kbit/s. The CPU can establish up to 64 connections to nodes on the communication bus (C bus) and the MPI.
The PROFIBUS DP master interface allows a distributed automation configuration offering high speed and ease of use. From the user’s point of view, the distributed I/O is handled like the centralized I/O (same configuring, addressing and programming). - PROFIBUS DP interface:
The PROFIBUS DP interface allows a redundant, distributed automation configuration offering high speed and ease of use. From the user’s point of view, the distributed I/O is handled like the centralized I/O (same configuring, addressing and programming). - PROFINET interface with 2 ports (switch):
Supports system redundancy and MRP (Media Redundancy Protocol) - Mode selector:
Toggle switch design. - Diagnostics buffer:
The last 120 error and interrupt events are stored in a ring buffer for diagnostic purposes. - Real-time clock:
Diagnostics reports from the CPU are provided with the date and time.
Function
- Block protection:
In addition to the keyswitch, a password concept protects the user program from unauthorized access. User blocks can also be protected by an encryption mechanism. - Integrated HMI services:
For HMI devices, the user only has to specify the source and destination for the data. They are then automatically transported by the system on a cyclic basis. - Integrated communication functions:
- PG/OP communication
- Extended communication (standard and high-availability)
- Master-spare switchover programmed by user.
Parameterizable attributes
With the STEP 7 “Hardware Configuration” tool and the installed S7-400H option package, the properties and behavior of the S7-400H including the CPUs can be parameterized, e.g.:
- MPI multi-point interface:
- Determination of node addresses
- Start-up/cyclic response
- Determination of maximum cycle time and communication load
- Address assignment:
Addressing of I/O modules - Retentive areas:
Determination of number of retentive bit memories, counters, timers, data blocks and clock memories - Protection level:
Specifying the access rights to programs and data - System diagnostics:
Determination of handling and scope of diagnostic alarms - Cyclic interrupts:
Setting of periodicity - Configuration of H stations
Display and information functions
- Status and error LEDs:
LEDs indicate, for example, internal and external faults and operating statuses such as RUN, STOP, startup and “Master” operating mode as well as redundancy errors, and test functions - Test functions:
The PG is used to indicate signal states during program execution, to modify process variables independently of the user program, to output the contents of stack memories, to execute individual program steps, and to block program sections. - Information functions:
The PG can be used to obtain information about the memory capacity and operating mode of the CPU and the current loading of the work and load memory.
6AG1412-5HK06-7AB
Siemens SIPLUS S7-400 CPU 412-5H based on 6ES7412-5HK06-0AB0 with conformal coating, -25…+70 °C, central processing unit for S7-400H and S7-400F/FH, 5 interfaces: 1x MPI/DP, 1x DP, 1x PN and 2 for SYNC modules, 1 MB memory (512 KB data/512 KB program)
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