Common Pitfalls in GCL+ Programming (Part 2 – Using And, Or)

In a recent post, we introduced boolean logic and the AND, OR, and NOT operators.  Now we will show some common ways in which these can be accidentally misused in a GCL+ program, and how to correct these errors. AND As we saw previously, the AND operator compares two boolean (true or false) statements.  If and only if BOTH statements are …

Common Pitfalls in GCL+ Programming (Part 1 – Boolean Logic)

Setpoint Systems has been providing FREE training to our customers for over 25 years, and in that time we’ve learned as well… how to best serve our customers.  We’ve also learned to recognize some of the most common technical challenges our customers face.  I’d like to highlight a few GCL+ programming challenges and solutions.  This post will lay the foundation …

Saving Energy with Psychrometric Calculations

Saving Energy with Psychrometric Calculations By: John Becker Hands up, who’s heard of psychrometrics?  You may think you haven’t, but if you’ve ever listened to a weather forecast I guarantee you have… Psychrometrics are the way engineers (and weather forecasters) describe a mixture of air and water vapor.  The air all around us contains some water vapor, which makes certain calculations a …