Omron E3NW-CCL, User Manual

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E3NW-CCL CC-Link Digital Sensor Communications Unit User’s Manual (E431)
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1 Glossary
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B-1 Glossary
This appendix contains a glossary of terms related to the CC-Link Digital Sensor Communications Unit.
Term Abbreviation Description
CC-Link Partner Association CLPA
The organization that opened the CC-Link technology and promotes
its use.
remote I/O - A slave unit that handles DIO.
remote device - A slave unit that handles DIO and data.
intelligent device -
A slave unit that handles DIO and data and supports transient
transmissions.
master station - The unit that controls the CC-Link.
standby master station -
The unit that takes over control of the CC-Link if a problem occurs
with the master station.
local station -
A unit that is connected to a PLC and communicates with master
and slave stations.
Remote network version 1 mode -
A network that consists of only slave stations compatible with
CC-Link version 1 specifications.
Remote network version 2 mode -
A network that consists of slave stations compatible with both
CC-Link version 1 and version 2 specifications.
Remote Network Addition Mode -
A network to which a slave station that is compatible with CC-Link
version 2 specifications is added to an existing network consisting of
slave stations compatible with CC-Link version 1 specifications.
Remote I/O Mode - A network that consists of only slave units that support remote I/O.
expanded cyclic -
An expansion function added to CC-Link Version 2 Mode that
separates data to more efficiently use limited network resources.
link relays (RX/RY) -
The name for signals that handle ON/OFF information for the
CC-Link.
link registers (RWw/RWr) - The name for devices that handle data for the CC-Link.
special link relays (SB) -
The name for signals that monitor and control the operation status of
the CC-Link.
special link registers (SW) -
The name for devices that monitor and set the operation status of
the CC-Link.