Rockwell Automation Publication ICSTT-RM448M-EN-P - February 2021 147
V
validation In quality assurance, confirmation that the product does what the user
requires.
verification In quality assurance, confirmation that the product conforms to the
specifications.
voting system A redundant system (m out of n) which requires at least m of the n channels to
be in agreement before the system can take action.
W
withstand voltage The maximum voltage level that can be applied between circuits or
components without causing a breakdown.