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High-Performance Processing for S5-135U Systems
This central processing unit manages complex automation tasks for large-scale industrial systems. The Siemens 6ES5927-3SA11 executes user programs with exceptional speed and precision. It supports up to 4,096 digital I/O points and 256 analog channels. A built‑in EPROM submodule stores your application code securely on board. Consequently, this CPU delivers reliable performance for demanding process control applications.
Memory Capacity & Processing Speed
The Siemens 6ES5927-3SA11 provides 64 KB of user memory for your control program. You can expand this capacity using external plug‑in memory submodules on the front panel. The processor handles bit operations within 1 µs per instruction. For word operations, it requires only 5 µs per operation. A lithium battery preserves memory contents during power interruptions.
| Parameter | Detailed Specification |
|---|---|
| Dimensions (H x W x D) | 13.5 cm x 9.0 cm x 10.0 cm |
| Weight | 0.95 kg (2.09 lbs) |
| Compatible Rack | SIMATIC S5-135U (central rack) |
| User Memory | 64 KB RAM (battery‑backed) |
| Memory Expansion | 2 x EPROM submodule slots |
| Bit Operation Time | 1 µs per operation |
| Word Operation Time | 5 µs per operation |
| Max Digital I/O | 4,096 inputs + 4,096 outputs |
| Max Analog I/O | 256 channels |
| Status LEDs | 5 (RUN, STOP, BATT, FAULT, INTF) |
| Communication Ports | 1 x TTY (programming), 1 x MPI |
| Energy Storage | Lithium battery (type 6ES5980-0AA11) |
Programming & Software Environment
You program the Siemens 6ES5927-3SA11 using standard SIMATIC S5 software tools. The module supports three programming languages: STL, LAD, and CSF. You connect a programming device via the front TTY port for code uploads. The processor also supports online debugging and remote diagnostics. Therefore, maintenance teams troubleshoot issues without stopping production.
System Integration & Operational Reliability
You insert this CPU into the central rack of your S5‑135U system. The processor communicates with I/O cards through the backplane bus automatically. Five front LEDs provide instant status information at a glance. A green RUN light indicates normal program execution. The red FAULT LED signals hardware or software errors immediately.