With the increasing presence of EtherCAT in the motion control industry, choosing between EtherCAT and Ethernet is becoming an increasingly important question. This presentation will cover the technical differences between both methods and provide advice on how to choose between them based on application requirements. Strengths and weakness of both Ethernet and EtherCAT will be discussed including development time, ease of use, cost, and complexity.
Additionally, Galil’s DMC-500x0 EtherCAT Master and DMC-40x0 Ethernet controller will be reviewed with regards to the capabilities and advantages they can offer. This presentation is geared towards system developers looking to understand the differences, costs, and capabilities of both Ethernet and EtherCAT.
Watch the webinar: http://www.designworldonline.com/ethernet-or-ethe…r-motion-control/
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Before We Start
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Ethernet and EtherCAT
• Ethernet: Flexible, high bandwidth, non determinis(c
• Designed to move large amounts of data through many different nodes
• Able to route data to and from billions of separate addresses allowing communica(on across vast networks
• Large overhead involved in encapsula(ng, rou(ng and formadng data
• Socware handles extrac(on and processing of data
• EtherCAT: Real Time Distributed Control, determinis(c
• Uses standard Ethernet hardware, CAT5 cabling and Network Interface Cards (NIC)
• Streamlines Ethernet communica(on at the hardware level, moving only essen(al data with minimal overhead
• Data processing on slave devices is handled “on the fly” via FPGA or ASIC, minimizing latency
• Ini(al setup and configura(on required
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EtherCAT Communica(on
• Based on CANOpen
• Standard CAT5 Cabling
• FPGAs for fast data processing ‘on the fly’
• Data formadng must be configured prior to opera(on
• Mul(ple modes of opera(on
• Distributed Clock allows for (ghtly coordinated ac(ons over
long distances
• Drives are daisy chained together
• Likened to a ‘data train’, each drive takes data off the train,
places data on the train
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Matt Klint
Applications Engineer
Galil Motion Control
support@galilmc.com
@Galil
Leslie Langnau
Managing Editor
Design World
llangnau@wtwhmedia.com
@DW_3dprinting
Questions?
MODERATOR FEATURED SPEAKER
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