A2-1 Specifications; A2-1-1 Ethercat Specifications; Chapter A2 Appendix Ethercat Specifications - Omron GRT1-ECT Operation Manual

A2 Appendix EtherCAT Specifications

A2-1 Specifications

A2-1-1 EtherCAT Specifications

This section gives the EtherCAT Specifications.
Item
Communication protocol
Modulation
Baud rate
Physical layer
Connectors
Topology
Communication media
Communication distance
Noise immunity
Node address setting
method
Node address range
Indicator
Process data
PDO size
Mailbox
Synchronization mode
A2 - 2
Dedicated protocol for EtherCAT
Base band
100 Mbps
100BASE-TX (IEEE802.3)
RJ45 × 2 (Shielded)
CN IN: EtherCAT input
CN OUT: EtherCAT output
Daisy chain
Category 5 or higher (cable with double, aluminum tape and braided shielding is
recommended.)
Distance between nodes (Slaves): 100 m max.
Conforms to IEC 61000-4-4, 1 kV or higher
Set with decimal rotary switch or Configuration Tool
1 to 99: Set with rotary switch
1 to 65535: Set with Configuration Tool
PWR × 2 (Unit PWR, I/O PWR)
L/A IN (Link/Activity IN) × 1
L/A OUT (Link/Activity OUT) × 1
RUN × 1
ERR × 1
Configurable PDO mapping / automatically detected
2 byte to 130 byte
SDO requests, SDO responses, and SDO information
Free Run mode (asynchronous)
GRT1-series EtherCAT Communication Unit - Operation Manual
Specification