28176 Parallax Inc, 28176 Datasheet - Page 102

• 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

The following is an operational description of the batch process illustrated in Figure 4-7.
A flowchart of the process is in Figure 4-8.
Figure 4-7 Batch Mix System
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When the Start button is pressed, the vat will begin to fill from both sources.
The proximity switch detects when the vat is full.
Once full, the fill valve will be closed and mixing will occur for a specified time.
When mixing is complete, the drain valve will open and remain so until the
operator presses the Stop button.