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The synchronous actuators in the HFI series from ENGEL Elektroantriebe are a compact actuator solution, suitable for a wide range of uses, with one or more axles in a wide variety of industries, such as intralogistics, special machine construction, the food industry, material handling or transport and laboratory tasks. Fitted with integrated control electronics and a STO safety function, the drives are available with rated power of up to approximately 600 watts, and with rated torques of up to 1.8 Nm for operation at selective 24VDC or 48VDC.
The HFI series is of interest for system engineers as well as automation technicians or systems integrators, because it is an efficient, compact actuator solution for applications with dynamic control demands and with one or more axles in special machine construction, in food technologies, in intralogistics or in other industrial settings. This latest series consists of permanent magnet synchronous motors in four flange sizes 47, 55, 65 and 75 mm with two motor system length per size and feature integrated control electronics. The rated power reaches up to 600 watts, the biggest rated torque is 1.8 Nm. For a brief interval of several seconds, twice the rated torque is available for acceleration. HFIs from ENGEL Elektroantriebe are also renowned for their impressive array of functions, offering numerous options to developers and designers. Particularly relevant are their compatibility with numerous industrial fieldbus systems and the optional Safe Torque-Off (STO) function integrated into the drive.
The compact synchronous motors of the HFI series are based on the proven HBI series from ENGEL Elektroantriebe. But compared with their predecessors, the HFIs offer 10 to 15% more power and torque, depending on their size, as well as expanded options for fieldbus communications. These devices can be integrated into many networks, including EtherCAT, CANopen, PROFINET or EtherNet/IP.
The Safe Torque-Off (STO) safety feature is a suitable option for safety-related applications in which general safety hazards or hazards to the machine operator or system must be fully eliminated.
This optional electrical safety module, includes two redundant STO channels to independently disrupt the transmission of the PWM switching patterns from the microcontroller to the drive´s MOSFET power stage. It can be installed into any HFI model. The functional safety technology of the product has been tested and certified as a safety component to Annex IV of the European Machinery Directive 2006/42/EG. It meets the SIL 3 / SILCL 3 according to IEC 61800-5-2 / IEC 61508 / IEC 62061 and also reaches the performance level Cat. 3 / PL e according to ISO 13849-1. Appropriate safety parameters are provided within the STO documentation to enable the system/machine manufacturer to carry out the necessary a system/machine-specific risk assessment in accordance with DIN EN 60204-1.
When the safety feature is activated, the current to the actuator is cut within 20 ms, completely stopping the generation of torque as well as preventing hazardous movements of the actuator or corresponding equipment. The STO inputs are also suitable to handle test pulses from output signal switching devices (OSSD). This means that safety equipment with related diagnostic functions can be directly connected and operated without the use of conventional electromechanical safety switches.
A potential-free status output indicates the status of the safety feature, also enabling the recommended cyclical function test of the two STO channels.
The optional STO safety module makes it easy to meet the necessary safety requirements. It eliminates the need for conventional electromechanical switchgear, reduces costs and also frees up space inside the switch cabinet.
|Series||Datasheet||Rated speed up to [rpm]||Rated torque up to [Nm]||Flangesize [mm x mm]|
|HFI 22||4.000||0,38||47 x 47|
|HFI 26||3.000||0,61||55 x 55|
|HFI 32||3.000||1,4||65 x 65|
|HFI 37||3.000||1,8||75 x 75|
Download: CANopen® User Guide Rev. 2.9 for ENGEL devices with CANopen® support
Download: PROFINET® / PROFIBUS® User Guide Rev. 1.0 for ENGEL devices with PROFINET® / PROFIBUS® support
Download: Integrated Drives Series HFI
Download: Operating Manual Rev. 1.3 – Integrated Synchronous Servo Drives
Download: EC Type-Examination Certificate