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Glossary
372 SPU 780 01EMAN May 2002 319
TCP/IP A communication protocol for computers connected through an Ethernet or Token
Ring network.
Text A collection of ASCII characters.
Timeout If communications fail, the program waits the specified number of seconds before
trying to communicate again.
Trace An operation in the Network Editor that locates a specified output coil in the network
logic.
Traffic Cop A programmable controller’s internal configuration that maps logic element
addresses to physical I/O cards.
Used Table A list of all I/O addresses in a controller, indicating which addresses are being used
in instructions and which have not.
Utility A computer program included in a software package, but run separately from the
package’s main program.
Word 16 bits of data (two bytes). Also called a machine word.
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