Azbil K1G Series, Руководство пользователя, Страница: 8 / 32

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Chapter 1. ETHERCAT COMMUNICATION
1 - 2 EtherCAT Communication Specifications
Item Description
Communication standard IEC 61158 Type12 (EtherCAT)
Physical layer 100BASE-TX, IEEE802.3
Connector RJ-45 × 2 (IN, OUT)
Communication medium STP cable with Cat. 5e or higher* 1
Communication distance 20 meters between nodes
Process data communication Process data objects (PDOs) can be configured.*
2
Process data communication cycle 250 μs min. (depends on the settings of the master device)
Mailbox communication
CoE
Synchronization method Freerun only (distributed clocks is not supported.)
LED indicators RUN, ERR, Link/Activity × 2
Node address The address can be specified by using the configured station alias or explicit device
identification.
*1. Use of a double-shielded STP cable is recommended in an environment with a large amount of electromagnetic noise
(e.g., FA equipment).
*2. PDOs to map can be selected by the master device. Accordingly, communication traffic can be reduced as needed.