6 Hardware Specifications of E3NW-ECT
6 - 2
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
6-1 EtherCAT Communications
Specifications
This section explains the communications specifications of the E3NW-ECT EtherCAT Slave Unit.
*1 The software setting is used when the node address setting switches are set to 0.
*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.
Item Specification
Communication protocol Dedicated protocol for EtherCAT
Modulation Base band
Baud rate 100 Mbps
Physical layer 100BASE-TX (IEEE802.3u)
Connectors
RJ45 × 2 (Shielded)
CN IN: EtherCAT input
CN OUT: EtherCAT output
Topology Daisy chain
Communications media
Category 5 or higher (cable with double, aluminum tape and braided shielding is
recommended.)
Communications distance Distance between nodes 100 m max.
Noise immunity Conforms to IEC 61000-4-4, 1 kV or higher
Node address setting
method
Set with decimal rotary switches or software.
*1
Node address range
000 to 192
*2
Indicator
PWR × 1
L/A IN (Link/Activity IN) × 1
L/A OUT (Link/Activity OUT) × 1
RUN × 1
ERR × 1
Process data PDO mapping
PDO size/node 350 byte (max)
Mailbox Emergency messages and SDO requests
SYNCHRONIZATION
mode
Free Run mode (asynchronous) and DC mode 1