Allen-Bradley MicroLogix 1200 User Manual page 138

Glossary G-4
Publication 1762-UM002A-EN-P - July 2002
sampling time – The time required by the A/D converter to sample
an input channel.
status word – Contains status information about the channel's current
configuration and operational state. You can use this information in
your ladder program to determine whether the channel data word is
valid.
step response time – The time required for the channel data word
signal to reach a specified percentage of its expected final value, given
a full-scale step change in the input signal.
thermocouple – A temperature sensing device consisting of a pair of
dissimilar conductors welded or fused together at one end to form a
measuring junction. The free ends are available for connection to the
reference (cold) junction. A temperature difference between the
junctions must exist for the device to function.
update time – see "module update time"