Siemens PLC — programmable logic controllers for industrial automation
Siemens is one of the world's leading manufacturers of industrial controllers. The catalog includes LOGO 8 series for small-scale automation and smart home, S7-1200 for mid-range control systems, and S7-300 for complex industrial facilities requiring extensive I/O.
How to choose a Siemens PLC
Selecting the right controller depends on the scale of your application, the number of I/O points, and the required communication interfaces. Below is a comparison of base CPUs from each series:
| Model | Series | DI | AI | DO | Power supply | Application |
|---|---|---|---|---|---|---|
| 6ED1052-1CC08-0BA0 | LOGO 8 Basic | 4 | 4 | 4 | 24DC | Smart home, lighting |
| 6ED1052-2CC08-0BA0 | LOGO 8 Pure | 4 | 4 | 4 | 24DC | Automation without display |
| 6ES7211-1AE40-0XB0 | S7-1200 | 6 | 2 | 4 | 24DC | Conveyors, pump stations |
| 6ES7214-1AG40-0XB0 | S7-1200 | 14 | 2 | 10 | 24DC | Production lines |
| 6ES7313-5BG04-0AB0 | S7-300 | 24 | 4 | 16 | 24DC | Complex SCADA systems |
LOGO 8 is ideal for small tasks with up to 8 DI channels. It is programmed via LOGO! Soft Comfort and supports a web server for remote monitoring. S7-1200 runs in the TIA Portal environment, features built-in Ethernet, and suits systems with dozens of I/O points. S7-300 is a modular platform for large-scale projects requiring RS485, Profibus, and hundreds of channels through expansion modules.
Manufacturers of industrial controllers
In addition to Siemens, the catalog features controllers from other leading manufacturers:
- Delta Electronics — DVP series with excellent price-to-performance ratio
- Mitsubishi Electric — FX1S, FX1N, FX3U series for industrial lines
Siemens PLC by specifications
Select a controller by key parameters:
- Expansion modules — additional I/O for S7-1200 and S7-300
- LOGO 8 — up to 8 DI, 24VDC or 230VAC power, built-in display (Basic) or headless (Pure)
- S7-1200 — 6 to 14 DI, 2 AI, Ethernet, TIA Portal programming
- S7-300 — up to 24 DI, RS485/Profibus, modular expansion to hundreds of channels
Warranty and support
All Siemens controllers come with an official warranty. Delivery across Ukraine: Kyiv, Kharkiv, Odesa, Dnipro, Lviv — via Nova Poshta or direct shipping. Payment by bank transfer with VAT for businesses or cash on delivery for individuals. Technical support for model selection and configuration — contact our engineers.