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Glossary
278
WDT
See
watchdog timer
.
wiring check
A check performed automatically at startup to detect wiring problems such as
reversed polarity or disconnections.
word
A unit of data storage in memory that consists of 16 bits. All data areas consists
of words. Some data areas can be accessed only by words; others, by either
words or bits.
work bit
A bit that can be used for data calculation or other manipulation in programming,
i.e., a ‘work space’ in memory. Also see
work word
.
write-protect
A state in which the contents of a storage device can be read but cannot be
altered.
zone
A range of positions or values which can be defined so that flags are turned ON
whenever the present position is within the range.
Summary of Contents for C200H-MC221 -
Page 1: ...Cat No W315 E1 03 Motion Control Unit C200H MC221 OPERATION MANUAL ...
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Page 3: ...C200H MC221 Motion Control Unit Operation Manual Details Revised June 2010 ...
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