logo资料库

EtherCAT_Introduction_EN.pdf

发布时间：2022-04-10 发布人：admin 分类：互联网 资料大小：5.81M 资料格式：pdf 举报 版权申诉
第1页 / 共86页
第2页 / 共86页
第3页 / 共86页
第4页 / 共86页
第5页 / 共86页
第6页 / 共86页
第7页 / 共86页
第8页 / 共86页
资料共86页，剩余部分请下载后查看
    The Ethernet Fieldbus.
    EtherCAT - The Ethernet Fieldbus. • EtherCAT is real time down to the I/O level • No underlying sub-systems any more EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile October 2012 © EtherCAT Technology Group, 2012
    EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile EtherCAT - The Ethernet Fieldbus. • Other technologies need local I/O cycles + gateways r e v i r D r e v i r D s u b d e F i l s u b d e F i l O / I O / I O / I O / I r e l l o r t n o C r e l l o r t n o C s u B n o s n e t x E i l a c o L r o f r e t s a M RAM CPU Flash RAM CPU O / I Flash October 2012 © EtherCAT Technology Group, 2012
    EtherCAT - The Ethernet Fieldbus. • EtherCAT: Real time down to the I/O r e v i r D T A C r e h E t r e l l o r t n o C T A C r e h E t r e l l o r t n o C T A C r e h E t r e l l o r t n o C T A C r e h E t r e l l o r t n o C T A C r e h E t r e l l o r t n o C EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile October 2012 © EtherCAT Technology Group, 2012
    EtherCAT - The Ethernet Fieldbus. • EtherCAT is real time down to the I/O level • No underlying sub-systems any more • No delays in gateways • In- and outputs, sensors, actuators, drives, displays: everything in one system! EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile October 2012 © EtherCAT Technology Group, 2012
    EtherCAT is faster • Transmission Rate: – 2 x 100 Mbit/s (Fast Ethernet, Full-Duplex) • Update Times: – 256 digital I/O in 11 µs – 1000 digital I/O distributed to 100 nodes in 30 µs = 0.03 ms – 200 analog I/O (16 bit) in 50 µs, 20 kHz Sampling Rate – 100 Servo-Axis (each 8 Byte In + Out) in 100 µs = 0.1 ms – 12000 digital I/O in 350 µs EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile October 2012 © EtherCAT Technology Group, 2012
    EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement - Well proven - Open - Conformance - Safety - Redundancy - Versatile EtherCAT is faster • Bandwidth Usage of Ethernet for I/O and Drives: – Ethernet Frame: ≥ 84 Bytes incl. Preamble + IPG (interpacket gap) Data pay load: e.g. 2 Bit..6 Byte 22 Bytes 4 Bytes 12 Bytes Ethernet Header Data: ≥46 Bytes CRC IPG Request with output data Response with input data I/O Node reaction time Ethernet Header Data: ≥46 Bytes CRC IPG Master – with 4 Byte input + 4 Byte output per node: • 4,75% application data ratio at 0 µs reaction time/node • 1,9% application data ratio at 10 µs reaction time/node October 2012 © EtherCAT Technology Group, 2012
    EtherCAT is faster • Bandwidth Usage Comparison: – At 4 Byte user data per node: • Polling / Timeslicing: ~ 2..5 % – From 2 Bit user data per node: • EtherCAT: ~ 80..97 % (Full Duplex, 2 x 100 MBit/s) EtherCAT is: - Faster - Synchronization - Industrial Ethernet - Flexible Topology - Easier to configure - Cost effective - Easier to implement 100 - Well proven - Open - Conformance - Safety - Redundancy - Versatile 90 80 70 60 50 40 30 20 10 0 Polling / Timeslicing EtherCAT October 2012 © EtherCAT Technology Group, 2012
    分享到：
    赞 收藏

    相关推荐

    最新资料