Download - EtherCAT
Download - EtherCAT
Download - EtherCAT
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<strong>EtherCAT</strong> is:<br />
-Faster<br />
- Synchronization<br />
- Industrial Ethernet<br />
-Flexible<br />
- Easier to configure<br />
- Cost effective<br />
- Easier to implement<br />
- Well proven<br />
- Open<br />
- Conformance<br />
- Safety<br />
- Redundancy<br />
-Versatile<br />
‘Slow’<br />
•<br />
Bus Cycle<br />
Control Systems benefit, too<br />
Reaction time with legacy fieldbus<br />
T mpd<br />
Bus Cycle<br />
I/O:<br />
I PLC Task O I PLC Task O I PLC Task O I PLC Task O I PLC Task<br />
Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle<br />
T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O T I/O<br />
Input<br />
(worst case)<br />
best case reaction time<br />
worst case reaction time<br />
Input<br />
(best case)<br />
Output<br />
Tmpd: Master Processing Delay<br />
TI/O: Local I/O Update Time<br />
(local Extension Bus + Firmware)<br />
© <strong>EtherCAT</strong> Technology Group, 2009 12
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