Rockwell-automation 1756-SYNCH ControlLogix SynchLink Module User Manu Manual do Utilizador descarregar pdf (Página 137)

Publication 1756-UM521C-EN-P - July 2004

Glossary 5

Synchronize

A process where multiple devices operate at the same time or

maintain a matching time reference.

Time master

A device (e.g. SynchLink module) that is configured to establish the

time reference for a ControlLogix chassis or SynchLink system.

Time relay

A device that is configured to pass a time reference between a chassis

backplane and a SynchLink fiber.

Time slave

A device (e.g. SynchLink module) that is configured to receive the

time reference from the CST Time Master (located in a ControlLogix

chassis) or upstream node in a SynchLink system.

Timestamp

A ControlLogix process that stamps a change in input data with a time

reference of when the change occurred.

Transmit port communications format

The communications format used in a ControlLogix SynchLink module

for all data the module transmits on its fiber optic transmit port.

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Rockwell-automation 1756-SYNCH ControlLogix SynchLink Module User Manu Manual do Utilizador Página 137