The 6ES5946-3UA11 is a CPU module from the Siemens SIMATIC S5 series, designed to control complex automation tasks in industrial plants. This unit pairs a powerful processor with generous memory for demanding applications. Consequently, engineers continue to rely on it for maintaining critical S5 control systems.
Technical Specifications at a Glance
The table below outlines the primary technical parameters of the 6ES5946-3UA11. Each value comes from the manufacturer’s official data sheet.
| Parameter | Specification |
|---|---|
| Product type | CPU module |
| Compatibility | SIMATIC S5 PLC systems |
| Processor | 16-bit microprocessor |
| Memory capacity | 256 KB RAM |
| Dimensions (W x H x D) | Approx. 185 x 130 x 30 mm |
| Weight | Approx. 0.40 kg |
| Interface | Backplane bus, serial port |
| Power supply | 5 V DC via backplane |
| Energy storage | Buffer battery for RAM retention |
| Part count | Single PCB assembly |
Processing Power and Memory
This module runs a 16-bit microprocessor for fast instruction execution. Additionally, it provides 256 KB of RAM for program and data storage. Therefore, it handles large control programs without performance bottlenecks.
Physical Design and Installation
The module measures roughly 185 x 130 x 30 mm and weighs about 0.40 kg. Moreover, it slots into the S5 backplane through a standard bus connector. As a result, technicians complete installation quickly without special tools.
Interfaces and Data Retention
The 6ES5946-3UA11 offers a backplane bus connection plus a serial port for programming. Furthermore, a buffer battery preserves RAM contents during power interruptions. Consequently, critical process data survives unexpected shutdowns.
Details
| Weight | 0.72 kg |
|---|---|
| Dimensions | 325 × 168 × 8 mm |
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