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This central processing unit executes user programs for SIMATIC S5 automation systems. It manages logic operations and data handling for mid-sized control tasks. Therefore, this CPU provides reliable performance for assembly lines and process applications.
Physical Dimensions and Weight Specifications
The Siemens 6ES5926-3SA11 occupies one standard slot in the S5 rack. Its housing measures 233 mm in depth for backplane connectivity. The module weighs approximately 0.58 kg for straightforward installation. Consequently, technicians can mount this unit without special handling tools.
| Parameter | Specification |
|---|---|
| Product Model | Siemens 6ES5926-3SA11 |
| Slot Width | 1 x standard S5 slot |
| Depth | 233 mm |
| Height | 260 mm |
| Weight | 0.58 kg |
Interface Types and Connectivity Options
The Siemens 6ES5926-3SA11 provides one RS-232 programming port on its front. A second RS-422 interface supports connection to operator panels. The front panel carries a 20-pin connector for external expansion modules. Hence, users can access the CPU using standard Siemens cables.
Component Count and Onboard Memory
This central processor contains one main board with a 16-bit microcontroller. The board includes 32 KB of RAM for user program execution. You will also find 64 KB of EPROM for non-volatile storage. An onboard lithium battery retains RAM data for 200 days.
| Technical Feature | Description |
|---|---|
| Processor Type | 16-bit Siemens ASIC |
| RAM Capacity | 32 KB (battery-backed) |
| EPROM Capacity | 64 KB |
| Clock Speed | 10 MHz |
Energy Storage and Power Consumption
The Siemens 6ES5926-3SA11 draws 180 mA from the 5V backplane supply. A lithium coin cell provides backup power for the RAM storage. This battery maintains program and data for 200 days without external power. Therefore, the CPU retains critical information during extended plant shutdowns.
Processing Speed and Scan Cycle Performance
The processor executes 1.5 microseconds per bit logic instruction. It handles up to 256 digital I/O points within a single scan. Users can store up to 256 function blocks in the EPROM memory. This capacity supports moderate automation tasks for conveyors and packaging machines.