Siemens SIMATIC S7-200 SMART CPU ST30 PLC
The Siemens SIMATIC S7-200 SMART CPU ST30 is a standard programmable logic controller designed for industrial automation, machine control and sequencing applications. It provides integrated digital inputs and transistor outputs for controlling sensors, actuators and compatible automation equipment.
Key Features
- 18 integrated digital inputs, 24V DC
- 12 transistor digital outputs, 24V DC
- 24V DC power supply
- Permissible supply range: 20.4–28.8V DC
- Integrated Ethernet communication and RS485 serial communication
- DIN-rail mounting
- Supports STEP 7 Micro/WIN SMART programming software
- Optional microSDHC memory card support
- Suitable for industrial machine control and automation projects
Technical Specifications
| Brand | Siemens |
|---|---|
| Product Series | SIMATIC S7-200 SMART |
| Model | CPU ST30 |
| Article Number | 6ES7288-1ST30-0AA1 |
| PLC Type | Standard CPU controller |
| Digital Inputs | 18 DI, 24V DC |
| Digital Outputs | 12 transistor outputs, 24V DC |
| Output Type | Transistor (DC) |
| Power Supply | 24V DC |
| Permissible Supply Range | 20.4–28.8V DC |
| Communication | Ethernet and RS485 |
| Mounting | DIN rail |
| Programming Software | STEP 7 Micro/WIN SMART |
| Analog I/O | Verify the required onboard/expansion configuration before specifying |
Applications
- Industrial machine automation
- Conveyor and material handling systems
- Production and packaging equipment
- Sensor and actuator control
- Automated sequencing and logic control
Why Choose Siemens S7-200 SMART?
The SIMATIC S7-200 SMART series provides compact PLC solutions for industrial control applications. The CPU ST30 combines integrated I/O with industrial communication interfaces and engineering support through STEP 7 Micro/WIN SMART.
Contact Nexis Controls for product availability, delivery details and technical compatibility information.





















