motion controllers.
EtherCAT (Ethernet for Control Automation Technology) offers similar excellent features like RTEX. However, EtherCAT is an open, standardized field bus that allows an open data exchange with all other EtherCAT motion controllers.
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Speed | 100Mbps |
Physical Layer | 100BASE-TX full duplex (IEEE 802.3) |
Cable | Shielded Twisted Pair (TIA/EIA-568B CAT5e) |
Topology | Line, tree or star (1) |
Isolation | Pulse transformer with common-mode choke |
Connector | RJ45 |
Cable Length | 100m max between nodes |
Cyclic period | 125µsec (Flex-6 Nano/MC6N), 250µsec (MC664X), 500 µsec, 1000 µsec, 2000 µsec or 4000 µsec (MC664, Flex-6 Nano, MC6N) |
Synchronisation | Distributed Clocks technology. Jitter < 1 µsec |
Protocol | CoE, SoE (2) |
Number of Axes | 32 (MC4N), 64 (MC464+P876), 128 (MC664X), 64 (PC-MCAT), 64 (Flex-6 Nano, MC6N) |
Number of Nodes | 128 slave nodes maximum |
Motion modes | Cyclic Synchronous Position, Cyclic Synchronous Velocity, Cyclic Synchronous Torque |
Parameter transfer | CoE Object read/write. SoE IDN read/write |
Input/Output | Up to 1024 input bits and 1024 output bits |
(1) Tree and star require the use of EtherCAT switches. (2) CanOpen application protocol over EtherCAT. (CoE) Servo drive profile according to IEC 61491 over EtherCAT. (SoE) |
motion controllers.
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