Ethercat Communications Specifications - Omron E3NX-FA Operation Manual

6 Hardware Specifications of E3NW-ECT
6-1 EtherCAT Communications
Specifications
This section explains the communications specifications of the E3NW-ECT EtherCAT Slave Unit.
Item
Communication protocol
Modulation
Baud rate
Physical layer
Connectors
Topology
Communications media
Communications distance
Noise immunity
Node address setting
method
Node address range
Indicator
Process data
PDO size/node
Mailbox
SYNCHRONIZATION
mode
The software setting is used when the node address setting switches are set to 0.
*1
*2 The range depends on the EtherCAT master that is used. Refer to "6-3-2 Node Address Setting
Switches" on page 6-6 for details.
6 - 2
Dedicated protocol for EtherCAT
Base band
100 Mbps
100BASE-TX (IEEE802.3u)
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 100 m max.
Conforms to IEC 61000-4-4, 1 kV or higher
Set with decimal rotary switches or software.
*2
000 to 192
PWR × 1
L/A IN (Link/Activity IN) × 1
L/A OUT (Link/Activity OUT) × 1
RUN × 1
ERR × 1
PDO mapping
350 byte (max)
Emergency messages and SDO requests
Free Run mode (asynchronous) and DC mode 1
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
Specification
*1