Wiring
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4.4.4 EtherCAT Wiring Instructions
EtherCAT specifications
Item
Specifications
Number of channels
2
Communication protocol EtherCAT
Service supported
FoE, EoE, CoE (PDO and SDO)
Min. synchronization period of 8 axes
with cam (32 axes without cam)
1 ms (typical value)
Maximum number of axes
32
Synchronization mode DC-distributed clock for servo drives, and input/output synchronization
for I/O modules
Physical layer
100BASE-TX
Baud rate
100 Mbit/s (100Base-TX)
Duplex mode Full duplex
Topology Line topology
Transmission medium
Network cable (For details, see the following technical specifications of
cables.)
Transmission distance Less than 100 m between two nodes
Number of slaves 128 slaves per EtherCAT bus
EtherCAT frame length 44 bytes to 1,498 bytes
Process data Maximum 1,486 bytes per Ethernet frame
Update time The update time is specified only in the EtherCAT bus design. For the
update time, see the manual or specifications of the slave station
module.
Ring network Not supported
Automatic scanning
Supported
Network port indicators
For details, see “
Network port indicators
”
on page 28
.
4.4.5 Wiring Requirements of Communication Cables
Connection of the RJ45 network cable
Connection: Insert the cable connector into the RJ45 port of the communication module until you hear
a click sound.
Removal: Press the release tab of the connector to pull out the connector from the module
horizontally.
Note
To avoid the influence on the communication cable due to other stresses and ensure the stability of communica-
tion, secure the cable near the equipment before EtherCAT communication.
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