ControlMaster CM10, CM30 and CM50
Universal process controllers,
1
/8,
1
/4 and
1
/2 DIN 7 Advanced Level
66 IM/CM/S–EN Rev. R
7.6 Profile
Introduction to Ramp / Soak Profile Control
1 program
10 programmable segments
5 segment types – Soak, Ramp Rate, Ramp time,
Step, End
Programmable time units – hours or minutes
Programmable ramps – can be programmed as
rates or time units
Program Repeat – 0 to 10 times or continuously
Program holdback hysteresis – separate settings
for ramp and soak segments. Can be applied
above, below or above and below the setpoint.
Programmable start conditions – Program,
Local Setpoint, Current PV
Recovery action – determines profile operation
under power fail / PV fail conditions
Fast Run mode – runs program 8 times normal
speed for test/commissioning
The Ramp / Soak Profile facility is a setpoint profile generator which can be used with any type
of control process for more complex setpoint control. A
Profile program is made up of Ramps
(the setpoint is increased / decreased at a linear rate until it reaches the desired value) and
Soaks (the setpoint is maintained at fixed value for a set time duration).
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