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[PLC] SIMATIC S7-400H(REDUNDANCY SYSTEM)
°ü¸®ÀÚ (kisystem) | 2008-04-29 | HIT: 5741
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The SIMATIC S7-400H is used to avoid downtimes. As a member of the well-tried SIMATIC S7 family, it is based on standard components. The SIMATIC S7-400H provides the highest level of availability thanks to its redundant configuration, and can be as easily programmed as a standard system. All modifications can be made in online mode. In such cases, both CPUs are automatically updated. The CPUs can be expanded by adding ET 200M or S7-400 signal-modules.

Overview of further highlights:

  • Easier handling:
    Most redundancy-relevant functions are hidden from the user
  • Easier parameter initialization:
    The parameters for redundancy-specific functions and configurations can be comfortably assigned using the STEP 7 option package
  • Easier programming:
    SIMATIC S7-400H is programmed in the same way as a non-redundant standard system
    All standard programming languages, that can be used for the SIMATIC S7, can also be used here without restriction
  • Easy porting:
    The program for non-redundant systems can be easily ported for redundancy and vice versa
  • Faster system configuration and commissioning
    • Better system integration
      • Uniform engineering for standard and redundant control component
      • Use of existing PROFIBUS cables even for redundant communication
      • Full integration in PCS 7 - integrated process control system for high availability
    • Faster commissioning
      • Full concentration on the actual automation task in comparison with conventional redundant solutions because redundancy-specific functions are executed automatically by the operating system
  • Retention of the highest level of plant availability
    • Early fault detection thanks to better diagnostic functions
    • Automatic switch-over to redundant hardware in the case of a hardware failure without any loss of data
    • Support of redundant I/O
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