28176 Parallax Inc, 28176 Datasheet - Page 296

• Manufacturer Part Number: 28176
• Description: KIT PARTS PROCESS CONTROL W/TEXT
• Manufacturer: Parallax Inc

Specifications of 28176

• Accessory Type: Process Control
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: BASIC Stamp® 2 and Board of Education
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Page 286 · Process Control
Figure 8-15 is a plot of our results.
Figure 8-15 Proportional Control Testing
Analysis
Prior to Run #1 we can see the temperature drifting slowly up due only to a 50% drive
from bias.
Run #1: Kp = 0.5
Note that following the disturbance, the temperature rose quickly to the setpoint of
100 °F. Looking at %Dp and %Dt in the lower plots, we can see how the amount of