Description
Product Description
The Siemens SIMATIC S5 CPU 928 (6ES5928-3UA12) is a high-performance central processing module designed for S5-135U and S5-155U PLC systems. It delivers substantial memory and advanced I/O handling capabilities, making it suitable for complex automation tasks in industrial environments. Despite being a legacy component, it remains critical for maintaining and servicing existing S5 installations.
Technical Specifications
| Feature | Specification |
|---|---|
| User Memory | 192 KB RAM for programs and data blocks |
| Timers | 256 programmable timers for sequence control |
| Counters | 256 event counters for flexible operations |
| I/O Capacity | Supports up to 2048 digital input/output channels |
| System Compatibility | S5-135U and S5-155U PLC systems |
| Integration | Modular design for seamless PLC connectivity |
Key Features
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High-capacity CPU for demanding automation applications
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Large memory for complex logic and data management
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Extensive timers and counters for versatile control strategies
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Scalable I/O support up to 2048 digital channels
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Fully compatible with Siemens S5-135U and S5-155U PLC modules
Applications
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Large-scale manufacturing process control
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Complex sequencing and event-driven operations
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Maintenance of legacy Siemens S5 PLC systems
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Automation systems requiring stable and proven S5 CPU modules
Considerations
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Discontinued product; replacement parts are limited to secondary markets
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Siemens recommends migration to SIMATIC S7 or newer PLC platforms for long-term support
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Spare units available primarily through specialized resellers or refurbished suppliers
FAQ
Q: Is this CPU compatible with newer Siemens PLC systems?
A: No, the CPU is specifically for S5-135U and S5-155U systems. For newer platforms, consider SIMATIC S7 or later.
Q: How much memory does it support?
A: It features 192 KB of user RAM for programs and data blocks.
Q: Can it handle large-scale I/O?
A: Yes, it supports up to 2048 digital input/output channels for extensive automation setups.
Q: Where can replacement units be sourced?
A: Only through specialized resellers or refurbished legacy equipment suppliers.
Features
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