S600 Instruction Manual
T
Task
An operating system concept that refers to the combination of a program’s execution
and the operating system’s bookkeeping information. Whenever a program executes,
the operating system creates a new task for it.
TCP/IP
Transmission Control Protocol/Internet Protocol.
Totaliser
Area of RAM for integrating totals.
Transducer
Device which converts energy from one for to another.
TRI-REG
Triple register; an area of RAM where data is stored in triplicate.
TX
Transmitted information.
U
Underrange
Under the preset current limit for the A/C Converter.
V
Variables
Changeable values.
Volatile
Memory that is unstable in the absence of power.
W, X, Y, Z
Warm Start
An S600 startup process in which the configuration remains untouched.
Watchdog
A hardware circuit that monitors correct program operation and restarts the program in
the event of malfunction.
A-4 Glossary Revised Aug-06
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