Siemens SIMATIC S7-200 SMART CPU SR20 PLC
The Siemens SIMATIC S7-200 SMART CPU SR20 is a compact programmable logic controller designed for industrial automation, machine control and sequential control applications. It combines an onboard CPU with integrated digital inputs, relay outputs and communication capabilities.
Key Features
- Compact PLC for industrial automation systems
- 12 onboard digital inputs, 24V DC
- 8 onboard relay outputs, rated up to 2A subject to load specifications
- AC power supply with an operating range of 85–264V AC
- Integrated Ethernet communication and PROFINET support
- 20 KB program/data memory
- DIN-rail mounting
- Programming with STEP 7-Micro/WIN SMART
Technical Specifications
| Brand | Siemens |
|---|---|
| Product Series | SIMATIC S7-200 SMART |
| CPU Model | SR20 |
| Article Number | 6ES7288-1SR20-0AA0 |
| PLC Type | Compact PLC |
| Digital Inputs | 12 × 24V DC |
| Digital Outputs | 8 × relay outputs |
| Relay Output Rating | Up to 2A; verify load-specific ratings |
| AC Supply Range | 85–264V AC, 47–63Hz |
| Program/Data Memory | 20 KB |
| Communication | Integrated Ethernet / PROFINET |
| Mounting | DIN rail |
| Programming Software | STEP 7-Micro/WIN SMART |
Applications
- Industrial machine automation
- Conveyor and material-handling systems
- Small production and assembly equipment
- Sequential control and relay-based automation
- Industrial control panels
Why Choose Nexis Controls?
Nexis Controls supports industrial automation requirements with PLCs and control components for machine builders, panel manufacturers and industrial maintenance teams. Contact our team to confirm product availability, compatibility and quotation details.
Ordering Note: Please verify the complete article number printed on the physical product label before ordering. The SR20 article number ending in 0AA0 is an older version; do not substitute the 0AA1 version without confirming compatibility.




















