Author Archives: Brian Gallimore

Undocumented Secrets of Integrating BACnet MSTP

After too many hours of struggling though trial and error, packet sniffing, and lots of various materials found on the Internet, I have uncovered a few very important secrets that were not readily apparent in the official vendor documentation I had … Continue reading

Posted in Industrial Automation | Tagged , , , | 3 Comments

Water Flowing around the Gallimore House

Due to all the rain and melting snow, we have water pooling and flowing in areas I’ve never seen water at before.  Here are a two videos of the streams surrounding us right now.

Posted in Outdoors | Tagged , , , | Leave a comment

Build Your Own Non-Linear Response

It is common to control the speed of a pump based on a sensor reading.  But what if you want the pump speed to change at a different rate at different parts of the sensor range?  If the response isn’t … Continue reading

Posted in Industrial Automation | Tagged , , , | Leave a comment

Calculating the Volume of Irregular-Shaped Tanks

This is a quick demo and code listing I used to calculate the volume of a tank that is a combination of box, cylinder, and sphere shapes.  The controller is a Red Lion G3 Graphite.

Posted in Industrial Automation | Tagged , , , , , , , , | Leave a comment

First Impressions of a RedLion Graphite HMI

Posted in Industrial Automation | Tagged , , | Leave a comment

320 amp Meter Base Pictures

This gallery contains 14 photos.

This is the new meter base I’m about to install

More Galleries | Leave a comment

Stop Crimping RJ-45s

I am on a quest to convince people, especially controls and automation people, to stop crimping RJ-45 ends on Ethernet cables. Everyone else in the world terminates Ethernet to a punchdown block jack and then uses a pre-tested, pre-molded patch … Continue reading

Posted in How-To, Industrial Automation | Tagged , , | 2 Comments

The Two Wolves Inside Me

An old Cherokee is teaching his grandson about life. “A fight is going on inside me,” he said to the boy. “It is a terrible fight and it is between two wolves. One is evil – he is anger, envy, … Continue reading

Posted in Thoughts | Tagged , | Leave a comment

Review of the YHS-302A Process Calibrator Meter With Multimeter

For about 1/4 the cost of a Fluke, I decided to take a risk and buy a Chinese process meter.  This company makes a clone of the 787, but I opted for the YHS-302A model (which now seems to be … Continue reading

Posted in Industrial Automation, Technology | Tagged , , , | Leave a comment

The State, Defined by Murray Rothbard

I came across this gem from Real Dissent: A Libertarian Sets Fire to the Index Card of Allowable Opinion: Now what is the state, anyway? Forget all the romanticizing nonsense about social contract theories , the consent of the people, whatever … Continue reading

Posted in Politics | Tagged , | Leave a comment