Ethernet switches designed to synchronize clocks

The EDS-405A-PTP Ethernet Switch by Moxa has five ports and uses hardware-based time sync of all connected devices distributed over Ethernet networks to sub-microsecond accuracy.

01/29/2015


The EDS-405A-PTP Ethernet Switch by Moxa has five ports and uses hardware-based time sync of all connected devices distributed over Ethernet networks to sub-microsecond accuracy. Courtesy: Moxa

Moxa's EDS-405A-PTP Ethernet Switch is designed to synchronize clocks of all connected devices distributed over Ethernet networks to sub-microsecond accuracy. This in turn enables precise motion control of all machines and robots so they cooperate in perfect unison. The EDS-405A-PTP has five ports and uses hardware-based time sync to fully comply with the precision time protocol (PTP) specified in the new IEEE 1588v2 real-time clock (RTC) standard. Switches with hardware-based time sync make it possible to achieve nanosecond-level time synchronization accuracy between PTP master and slaves.

When configured as a boundary clock, the EDS-405A-PTP can act as a slave to the grandmaster clock while simultaneously working as a master clock related to its local slaves. The managed switch uses nanosecond-accurate time stamps to modify timing packets and synchronize clocks distributed over the network. In addition, it can perform as a transparent switch that measures the residence time of PTP packets and then modify their time stamps to improve synchronization accuracy. The EDS-405A-PTP supports Modbus TCP, Profinet, and EtherNet/IP protocols for SCADA/PLC management and monitoring. Its management functions like IGMP snooping, IEEE 802.1Q VLAN, QoS, RMON, and relay warning are designed to make network planning more flexible and easy. It also has an operating range of -40 to 75 C operating temperature range.

Moxa Americas Inc.

www.moxa.com 

- Edited by CFE Media. See more Control Engineering Ethernet products.



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