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SM 6.5/30-GC16 Bosch Rexroth Indramat

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Internal Product Review

The SM 6.5/30-GC16 is a Bosch Rexroth Indramat AC inverter with CAN Bus integration and IP20 protection. A 15 A continuous current with fan and 30 A peak current give the inverter strong dynamic capability in motion control service. RS-232 service access simplifies commissioning, making the unit a very capable option for dependable AC drive control.

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Product Description:

The SM 6.5/30-GC16 AC inverter is manufactured by Bosch Rexroth Indramat and belongs to the SM AC Inverters series. The unit operates as a power stage that conditions the common DC bus. It delivers variable-frequency output to control asynchronous or servo motors used in conveyors, packaging frames, and pick-and-place modules. This layout supports motion systems that need regulated motor speed and torque from a shared electrical source.

It uses a direct-coupled intermediate circuit rated at 325 V DC, giving the inverter a stable energy reserve for rapid torque demands. For thermal management, the continuous current limit is 6.5 A when natural convection keeps the rotor above 50 rpm, and it rises to 15 A when a fan is added in the same speed range. During short accelerations, the drive can supply a peak of 30 A for up to five seconds, allowing machines to overcome static friction or reach set speed quickly. Output switching is handled by a control card operating at 5 kHz, which balances acoustic noise with semiconductor losses and shapes the motor voltage waveform.

System integration is supported by the galvanically isolated CAN Bus interface and by a dedicated RS-232 service port for setup and diagnostics. These connections let the inverter exchange control data with the machine network while still providing a direct local link for parameter access and troubleshooting. The inverter maintains full ratings at installation altitudes up to 1000 m and follows the 3K3 climate category, so it tolerates typical control cabinet humidity and temperature ranges without additional sealing. Heat generated by the power stage is limited to 13 W during nominal operation, which eases enclosure ventilation requirements and helps keep surrounding components from being exposed to unnecessary thermal load. The electronics are enclosed in an IP20 housing that helps prevent accidental finger contact while still allowing airflow across the heat sink fins, and the unit has a total mass of 2.4 kg for mounting on DIN rails or narrow panels.

Bus Interface
CAN Bus
Climate Classification
3K3
Clock Frequency
5 kHz
Continuous Current No Fan (>50 Rpm)
6.5 A
Continuous Current With Fan (>50 Rpm)
15 A
Dc Link Voltage
325 V DC
Installation Height
≤1000 m
Peak Current (5 S, >50 Rpm)
30 A
Power loss
13 W
Protection Type
IP20
Service Interface
RS-232
Weight
2.4 kg

Frequently Asked Questions about SM 6.5/30-GC16:

Q: What type of bus interface does the SM 6.5/30-GC16 inverter use?

A: The SM 6.5/30-GC16 supports communication via a CAN Bus interface.

Q: What is the continuous current rating of the SM 6.5/30-GC16 when used without a fan?

A: The rated continuous current without a fan is 6.5 A if the speed is above 50 rpm.

Q: What is the peak current capability of the SM 6.5/30-GC16 inverter?

A: The SM 6.5/30-GC16 inverter has a maximum peak current of 30 A for up to 5 seconds when operating above 50 rpm.

Q: What level of protection does the SM 6.5/30-GC16 provide?

A: This inverter is rated for protection class IP20, which provides basic protection against solid objects but no protection against water.

Q: Which service interface is available on the SM 6.5/30-GC16 inverter?

A: The service interface for this inverter is RS-232, allowing direct serial communication for setup and diagnostics.

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