Watlow Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual page 87

Overshoot :
P control
Parameter:
PD control:
PI control:
control:
PID
Process variable:
Programmed
display data:
Proportional band:
ProfiIing:
Program Step:
Ramping:
Range:
Rate:
Rate Band:
Recycle:
Reference junction:
Remote - Hold:
Reset:
wind-up
Reset
Inhibit:
Glossary, Appendix
temperature exceeds set point due
Condition whereby
process changes.
Proportioning control.
Any of a set of physical properties
electronic control to given inputs.
Proportioning control with rate action.
Proportioning control with auto-reset.
Proportioning control with auto-reset and rate.
Signal or value reflecting
relative humidity, etc.
Displayed information which gives the operator/programmer the "programmed"
or intended process information, i.e., intended set point, intended time-in-
step, intended process relative humidity, etc. See "Actual displayed data."
The span of temperature
takes place.
Executing several adjacent program steps where each step defines a ramp, or
a sloping control graph.
A numbered step in a process control program which contains
parameters for causing a predictable response by the control.
Progressing from one set point to another set point over a periid of time.
Minimum and maximum operating limits of a sensor or controller.
Anticipatory action that senses the rate of change of temperature and
compensates to minimize overshoot. Also "derivative."
The area above and below set point where the rate (derivative) function occurs.
Available in certain VVattow controls at a value of 1 to n times the proportional
band.
Program option in some microprocessor-based temperature
the entire program indefinitely. Also "continuous loop."
Synonymous with cold junction. See "Cold junction."
The Remote - Hold input from a user-supplied switch closure will halt a Series
1500 program and cause the PROG HALT LED to flash. Opening the switch
causes the 1500 to resume the program where it left off.
Same as "auto-reset" and "integral."
Synonymous with anti-reset. See "Anti-reset."
whose values determine the response of an
the status of the process, such as temperature,
about the set point where proportional control action
WATLOW Series 1500 User' s Manual
initial power up or
to
its
own specific
controls to repeat
87