Key Features and Technical Specifications
The 6SL3350-6TK00-0EA0 offers a robust set of I/O and control capabilities. Here are the core specs you can rely on:
- Operating voltage: DC 24 V via Power Module; external DC 20...29 V
- Max power consumption: 0.50 A
- Power loss: 5.50 W
- Communication: PROFIBUS DP
- Standard digital inputs: 6 (switching level 0→1 at 11 V, 1→0 at 5 V)
- Fail-safe digital inputs: 3 (using 6 × DI standard)
- Digital outputs: 2 as relay changer
- Analog/digital inputs: 2 (differential input)
- Analog outputs: 2 (non-isolated output)
- Ambient temperature: -10...55 °C operation, -40...70 °C storage
- Relative humidity: max 95%
- Degree of protection: IP20 / UL open type
- Net weight: 0.49 kg
- Dimensions: 73.0 x 199.0 x 46.0 mm
- Standards: CE, UL, cUL, RCM, SEMI F47
One standout feature is the fail-safe digital inputs, which allow you to implement safety functions without extra hardware. This is crucial for protecting personnel and equipment in high-risk environments.
Applications and Use Cases
Its PROFIBUS DP interface enables seamless integration into existing industrial networks. For example, in a bottling plant, the 6SL3350-6TK00-0EA0 can coordinate multiple motor speeds, improving throughput and reducing energy waste. Moreover, its fail-safe inputs make it suitable for emergency stop circuits, enhancing overall plant safety.

Installation and Setup
Mounting the 6SL3350-6TK00-0EA0 is straightforward. It snaps onto a standard DIN rail, and its compact size saves valuable cabinet space. Ensure adequate airflow around the unit to maintain the operating temperature range. When wiring, use signal cables with a conductor cross-section of 0.05...1.50 mm² (AWG 28...16) to guarantee reliable connections. Always follow the Siemens manual for detailed wiring diagrams.
Maintenance and Reliability
To maximize uptime, inspect the unit periodically for dust accumulation and loose connections. The IP20 rating means it is not fully sealed, so keep the cabinet clean and dry. Check the ambient temperature stays within -10...55 °C to avoid overheating. With proper care, this control unit offers long service life, reducing total cost of ownership.
Introducing the 6SL3350-6TK00-0EA0 SINAMICS Control Unit
This control unit, part of the SINAMICS family, is engineered to handle demanding automation tasks. It operates with a DC 24 V supply from the Power Module or an external DC 20...29 V source, ensuring flexible integration. With a compact design and IP20 protection, it fits neatly into standard control cabinets.

Compatibility and Integration
The 6SL3350-6TK00-0EA0 communicates via PROFIBUS DP, a widely used fieldbus. It works with Siemens SIMATIC S7 PLCs and other PROFIBUS masters. The analog inputs and outputs allow connection to sensors and actuators, while the relay outputs can switch external contactors. This integration capability simplifies system design and reduces commissioning time.
Troubleshooting Common Issues
If the unit fails to communicate, verify the PROFIBUS address and termination resistors. For input switching issues, check that the voltage levels meet the 11 V (0→1) and 5 V (1→0) thresholds. If the power consumption exceeds 0.50 A, inspect the external supply. For persistent problems, consult the Siemens diagnostics guide or contact AutoDCSTech for support.
Product Support and Availability
The 6SL3350-6TK00-0EA0 is available from AutoDCSTech. Contact us to check current stock and lead times. We are ready to help you integrate this control unit into your automation system.
Availability & Condition at AutoDCSTech
| Part Number | 6SL3350-6TK00-0EA0 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | Germany |
