Posts Tagged Combustion

Get More Combustion System Data into your PLC

Written by: A.J. Piskor

Traditionally, combustion control panels have been living in a hard-wired world. More often than not, the status of a burner system is communicated by indicator lights on a Flame Safeguard (FSG) terminal.

With the increased use of Programmable Logic Controllers (PLCs) controlling all aspects of a combustion system, customers are demanding more information from the FSG, as many operators manage their systems from a centralized control room.

While some customers have traded in their indicator lights for relays with dry contacts that feed back into their PLC, other customers are looking to simplify the communication between the FSG and PLC, while extracting more information on the operation of their burner system.

Here, we will go over some examples of technologies that are available today, and how you can get the information you need to where you need it.

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Tuning a Process Heater vs. Tuning a Boiler

Written by: A.J. Piskor

I was talking to a customer a few weeks ago, helping him with a Honeywell Flame Safeguard/scanner inquiry on a thermal oxidizer application.  We started talking about the burner and he mentioned that he was tuning the burner based on the oxygen coming out of the stack.

This is a common practice for technicians working on boilers, radiant tubes, and immersion tube applications where 100% of the exhaust is coming from the burner and is not diluted by any process air.  However, this is a bad practice to apply when working on an oxidizer, oven, dryer, or a multi-burner application.

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