Siemens 6SL3210-1KE18-8UP1 SINAMICS G120C Converter
A 4.0 kW low-overload compact converter for externally managed EMC installations using PROFIBUS DP.
Product Profile
6SL3210-1KE18-8UP1 is the unfiltered PROFIBUS DP variant in the SINAMICS G120C FSA class. It provides an integrated power stage, drive control, standard I/O and safety interface in a narrow cabinet format.
The UP1 suffix must remain attached to the article number because it identifies both the network choice and the absence of an integral EMC filter.
Technical Data
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SL3210-1KE18-8UP1 |
| Product Family | SINAMICS G120C |
| Input Supply | 3 AC 380–480 V, +10 / -20%, 47–63 Hz |
| Rated Power, Low Overload | 4.0 kW |
| Rated Power, High Overload | 3.0 kW |
| EMC Filter | Unfiltered |
| Control Supply | External 24 V |
| Standard I/O | 6 DI, 2 DO, 1 AI, 1 AO, 1 motor-temperature input |
| Safety Function | Safe Torque Off integrated |
| Fieldbus | PROFIBUS DP |
| Protection | IP20 / UL open type |
| Cooling | Integrated fan; 0.005 m³/s airflow |
| Operating Temperature | -10 to +40 °C |
| Efficiency Class | IE2 |
System Role
- Controls the speed and torque of compatible three-phase motors in a compact integrated converter.
- Exchanges commands, references, status and diagnostics with a PROFIBUS DP master.
- Provides hardwired digital and analog points for local permissives and process signals.
- Accepts a supported thermal sensor for direct motor-temperature monitoring.
- Supplies the STO interface for an engineered machine safety function.
Compatibility
- Use an external EMC solution appropriate to the installation because this article is unfiltered.
- Verify the 400 V supply range, motor duty and selected overload profile.
- Keep the FSA cooling path clear and maintain the published ambient conditions.
- Restore the correct PROFIBUS address and telegram configuration during replacement.
- Confirm motor and braking-resistor cable limits from the commissioning documentation.
Applications
- Compact PROFIBUS-connected conveyors, pumps, fans and handling equipment.
- OEM control cabinets with a centralized external EMC-filter strategy.
- Machine replacements where the existing project already uses the UP1 interface combination.
- Distributed automation cells combining network commands with local I/O.
FAQ
How does UP1 differ from AP1 in this power class?
Both use PROFIBUS DP, but UP1 is unfiltered while AP1 includes a Class A filter.
Is the product a modular power module?
No. It is a compact G120C converter with power and control functions integrated.
What external provision is most important?
The installation must include an appropriate EMC concept because no filter is integrated.
Can the motor be selected from kilowatts alone?
No. Current, overload cycle, supply, cable and ambient conditions must also be checked.
Why retain the parameter backup?
It preserves motor, control, I/O and PROFIBUS settings for an efficient verified replacement.
What safety work remains after wiring STO?
The complete safety function must still be validated against the machine risk assessment.
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