The SM-EtherCAT module extends the functionality of Control Technique’s variable speed drives range, including the Unidrive SP family, providing support for realtime, high performance Ethernet communication.
Digitax ST servo drive fitted with SM-EtherCAT realtime Ethernet module
“We have been monitoring the market and listening to our customers. This has resulted in us initially choosing EtherCAT over PowerLink. We also believe that EtherCAT potentially offers customers a greater benefit,” says Control Techniques’ product manager, System Integration Products, Imad Rajraji. “EtherCAT is the first in our planned range of realtime Ethernet solutions with more protocols to follow.”
The module is for use with the company’s full range of AC and servo drives from 0,37kW simple conveyor or pump control, through high precision servo applications to high power 1,9 MW multimode drives. The module allows customers to standardise on one network across their whole machine.
The SM-EtherCAT module is the latest in a range of communication options that already includes Ethernet/IP, Modbus TCP/IP and traditional fieldbus options.
“Increasingly, EtherCAT is being requested by customers because of its excellent performance and bandwidth, allowing users to get good dynamic performance from their drives. It covers the whole range of communication requirements from high-end motion control through to central factory computer control of conveyors and pumps,” explains Rajraji.
The EtherCAT module can operate at cycle times down to 250 μs, synchronising the drive’s position or speed loop to the communications network and hence improving overall system performance.
All Control Techniques’ AC and servo drives use the same option module format allowing flexible connectivity and functionality with Digitax ST, the company’s new servo drive, Commander SK and Unidrive SP.
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