Agilent Technologies TwisTorr 305 FS User Manual page 234

Technical Information
RUN UP TIME: it sets the maximum amount of time for which the pump is

allowed to spin at a speed value less than the normal operating speed. The
pump is not intended to spin for an indefinite time at a speed value lower than
700Hz; the Run Up Time value is selectable from 0 minutes to 30 minutes,
default value is 15 minutes. If the pump, due to the gas flow applied to it, spins
at a speed value less than 700Hz, the Run Up timer starts to count; when the
counter value exceeds the Run Up Time set value, the pump will stop and the
error condition "Run Up Time" will appear on the serial Win#206.
ACTIVE STOP: enables (YES) or disables (NO) active braking.

STOP SPEED READING: enables (YES) or disables (NO) the pump rotational

frequency reading function also during the slowing phase that follows a stop
command.
234 Agilent TwisTorr 305 FS Remote Controller User Manual