Siemens 6ES7417-4HT14-0AB0 Central Processing Unit
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SKU: 6ES7417-4HT14-0AB0
Siemens 6ES7417-4HT14-0AB0 Central Processing Unit
The Siemens 6ES7417-4HT14-0AB0 is a fault-tolerant CPU 417-4H for SIMATIC S7-400H systems. Featuring 30MB work memory and dual sync interfaces, this 0.98kg unit provides maximum reliability for mission-critical industrial automation.
The Siemens 6ES7417-4HT14-0AB0 stands as a premier CPU in the SIMATIC S7-400H family. Engineers specifically design this controller for high-availability and fault-tolerant industrial systems. It provides the necessary processing power for complex automation architectures. Because the unit supports redundant configurations, it prevents costly system downtime. This controller manages large-scale data processing while maintaining strict synchronization. Consequently, it serves as the backbone for critical infrastructure projects worldwide.
Technical Specifications
Feature
Details
Manufacturer
Siemens
Model Number
6ES7417-4HT14-0AB0
Product Type
Central Processing Unit (CPU 417-4H)
Work Memory
30 MB (15MB Program / 15MB Data)
Interfaces
1x MPI/DP, 1x PROFIBUS DP, 2x Sync Slots
Dimensions
5.0 x 22.2 x 29.0 cm
Unit Weight
0.98 kg
Bit Performance
0.018 µs for binary operations
Key Technical Characteristics
The CPU 417-4H features an expansive 30 MB integrated work memory. This capacity allows for intricate control algorithms and extensive data storage. Furthermore, the unit includes four distinct communication interfaces for versatile networking. The dual synchronization slots permit direct fiber-optic coupling between redundant pairs. This hardware ensures that both processors remain identical in state. Additionally, the rugged housing withstands significant mechanical stress and thermal fluctuations. The controller also supports hot-swapping of modules within a powered rack.
Application and Redundancy Benefits
Large-scale power generation and distribution facilities.
Complex chemical and petrochemical processing plants.
Critical water and wastewater treatment infrastructure.
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Backplane Bus Communication and Firmware Compatibility
The module integrates directly into the Series 90-70 backplane architecture, facilitating deterministic network data exchange and high-speed communication across distributed I/O racks. Firmware flash compatibility ensures seamless system upgrades through standard programming terminals without altering physical wiring layouts, while backplane bus communication velocity licenses govern synchronous master-slave polling rates.
Frequently Asked Questions
Q: What is the processing scan rate executed by this CPU module?A: The onboard 64 MHz processor achieves a nominal scan rate of 0.4 microseconds per boolean instruction function.Q: How is memory protected during sudden input power loss?A: The system utilizes 1 MB of battery-backed internal memory to preserve user logic programs and register states during outages.
Field Installation Guidelines
Power down the system rack completely prior to inserting or extracting the CPU module to prevent backplane bus terminal arcing. Align the module card edges precisely with the designated rack guide slots, press firmly to seat the board connectors into the backplane receptacles, and secure the top and bottom retaining screws to maintain proper mechanical and electrical ground continuity.
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