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Derivative Rate
1. The derivative rate reduces or eliminates overshoot. Refer to Figure 42.
It is measured in seconds and must be tuned to work with the overall
system cycle time.
DERIVATIVE RATE
XXXX SECONDS
FIGURE 42. DERIVATIVE SCREEN
2. Use the arrow keys to enter the correct value and press the MENU key.
Ramp and Soak
Ramp and Soak is a means of automatically increasing or decreasing setpoint
temperatures within specific time periods using an operator pre-set program.
By setting the values on the segment screens an operator can tell the tem-
perature controller to ramp up or down 16 levels.
1. The Ramp and Soak screen offers a selection of nine profiles which can
be changed, if required. Each profile has 16 possible segments.
2. Use the arrow keys to select a profile. Refer to Figure 43.
RAMP & SOAK
PROFILE X
FIGURE 43. RAMP AND SOAK SCREEN
3. Press the MENU key to advance to the segment setup.
