January 2024Editor's Choice
Electrical Power & Protection
The AX8820 only starts feeding power back into the grid just before the overvoltage threshold of the connected devices is reached. Several AX8820 regenerative units can be operated in parallel to adapt the regenerative power optimally to the needs of the machine.
Image copyright: Beckhoff.
No communication via EtherCAT is required to carry out energy recovery. However, extended parameterisation is possible via EtherCAT – to adapt the voltage levels to the connected devices, for example. With the help of the extended diagnostics via EtherCAT, the current regenerative energy can also be analysed. The online data can be used to record the timing of the machine processes. This means that an investigation can be carried out to see whether the efficiency of the machine can be increased by staggering the machine processes.
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: The introduction of TwinCAT in 1996 marked a decisive evolutionary step for PC-based control. Today, the TwinCAT platform combines all automation functions in a strictly deterministic real-time environment, from PLC and motion control through CNC and measurement technology and beyond, to vision, robotics and pioneering AI tools.
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