PART 2: CX-Server PLC Tools
OMRON GLOSSARY OF TERMS – CX-Server PLC Tools
CX-Server PLC Tools_ Page 181
Transfer to PLC The transfer of a program or data from a host (either a computer or a programming
device) to a lower-level (or slave) device.
Transition Area Contains flags indicating when a transition is ON or OFF
Transmitter A device which sends out signals.
UDP User Datagram Protocol.
Unit number A number identifying an individual component of an OMRON PLC system
configuration.
Units A component of an OMRON PLC system configuration.
Unknown The operating mode of a PLC that cannot be connected to.
Upload See Transfer from PLC.
User Datagram Protocol Protocol which directs information across a network to port numbers rather than to IP
addresses.
Word A 16 bit unit of data memory.
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