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Christopher Gavrilov
Christopher Gavrilov

MEP500 Programmer: A Smart and Flexible Burner Management System from Fireye


What is a MEP500 Programmer and How Does It Work?




Introduction




If you are looking for a compact, modular and versatile burner management system that can provide automatic ignition and continuous flame monitoring for commercial sized heating and process burners firing any type of fuel, you might want to consider the MEP500 Programmer from Fireye.




mep500 programmer



In this article, we will explain what a MEP500 Programmer is, what are its features and benefits, how it works, how to install and configure it, how to use it for flame safeguard control, and how to troubleshoot and maintain it. By the end of this article, you will have a better understanding of this innovative product and how it can help you achieve optimal performance and safety for your burner applications.


What is a MEP500 Programmer?




A MEP500 Programmer is a plug-in module that is part of the Fireye MicroM Flame Safeguard Control system. The MicroM system consists of the appropriate flame scanner/detector, plug-in amplifier and programmer modules connected into a standard chassis and wiring base.


The programmer module determines the functions such as relight, two-stage capability, purge timing and pilot cutoff for the burner control. The MEP500 Programmer has dipswitches for selecting purge timing, pilot trial-for-ignition (PTFI) timing, recycle or non-recycle operation, prove air flow open at start, and post purge. It also has smart LED indicators that show the current operating status of the control and display the fault as a coded sequence in case of a safety lockout.


The MEP500 Programmer also has a "run-check" switch that allows you to test the size, position, and stability of the pilot flame. It also incorporates a safety checking circuit that is operative on each start.


What are the features and benefits of a MEP500 Programmer?




Some of the features and benefits of a MEP500 Programmer are:



  • It is compatible with existing M-Series controls from Fireye.



  • It can be used with any type of flame scanner (UV, UV self check, infrared, flame rod, photocell, and cadmium cell) and amplifier module.



  • It can be configured for different purge timings (0-30 seconds), PTFI timings (5-30 seconds), recycle or non-recycle operation, prove air flow open at start, and post purge (0-15 minutes).



  • It has smart LED indicators that show the operating status and fault codes.



  • It has a "run-check" switch that allows you to test the pilot flame.



  • It has a safety checking circuit that ensures proper operation on each start.



  • It can be integrated with upper level energy management/data acquisition systems via Modbus or E500 Communication Interface (optional).



  • It can be accessed by an optional alphanumeric display (ED510) that shows burner hours and cycles, system hours, the last 6 lockouts with burner cycle time stamp and programmer configuration.



How Does a MEP500 Programmer Work?




How to install and configure a MEP500 Programmer?




To install and configure a MEP500 Programmer, you need to follow these steps:



  • Select the appropriate chassis and wiring base for your application.



  • Select the appropriate flame scanner/detector and amplifier module for your application.



  • Select the appropriate programmer module (MEP500) for your application.



  • Plug in the amplifier module into the chassis slot marked "AMP".



  • Plug in the programmer module into the chassis slot marked "PROG".



  • Connect the wiring base to the power supply and burner components according to the wiring diagram provided by Fireye.



  • Set the dipswitches on the programmer module according to your desired settings for purge timing, PTFI timing, recycle or non-recycle operation, prove air flow open at start, and post purge.



  • If using an optional alphanumeric display (ED510), plug it into the chassis slot marked "DISP".



  • If using an optional communication interface (Modbus or E500), plug it into the chassis slot marked "COMM".



How to use a MEP500 Programmer for flame safeguard control?




To use a MEP500 Programmer for flame safeguard control, you need to follow these steps:



  • Turn on the power supply to the MicroM system.



  • The programmer module will initiate a purge cycle according to the dipswitch setting. During this cycle, the LED indicator will flash green.



  • After the purge cycle is completed, the programmer module will initiate a PTFI cycle according to the dipswitch setting. During this cycle, the LED indicator will flash yellow.



  • If ignition is successful and flame is detected by the amplifier module within the PTFI cycle, the programmer module will enter into run mode. During this mode, the LED indicator will be steady green.



  • If ignition is unsuccessful or flame is lost during run mode, the programmer module will enter into lockout mode. During this mode, the LED indicator will flash red with a fault code sequence. The fault code can be identified by counting the number of flashes between pauses. The fault code can also be displayed by an optional alphanumeric display (ED510) or communicated by an optional communication interface (Modbus or E500).



  • To reset from lockout mode, press the reset button on the programmer module or use an external reset device connected to terminal 9 on the wiring base.



How to troubleshoot and maintain a MEP500 Programmer?




To troubleshoot and maintain a MEP500 Programmer, you need to follow these steps:



  • If you encounter any problems with your MicroM system, check the LED indicator on the programmer module for any fault codes. Refer to the manual provided by Fireye for troubleshooting tips based on different fault codes.



  • If you have an optional alphanumeric display (ED510), use it to access more information about your MicroM system such as burner hours and cycles, system hours, last 6 lockouts with burner cycle time stamp and programmer configuration.



  • If you have an optional communication interface (Modbus or E500), use it to integrate your MicroM system with upper level energy management/data acquisition systems for remote monitoring and control.



  • To test your MicroM system periodically, use the "run-check" switch on the programmer module to check the size, position, and stability of the pilot flame. You can also use the test jacks on the amplifier module to measure the flame signal intensity with a voltmeter. The range of the test jacks is 0-10 VDC, where 0 VDC indicates no flame and 10 VDC indicates maximum flame signal. The minimum acceptable flame signal depends on the type of flame scanner and amplifier module used. Refer to the manual provided by Fireye for more details.



  • To clean your MicroM system periodically, use a soft brush or compressed air to remove any dust or dirt from the chassis, wiring base, and modules. Do not use any solvents or liquids to clean your MicroM system as they may damage the components. Also, make sure to disconnect the power supply before cleaning your MicroM system.



Conclusion




Summary of the main points




In conclusion, a MEP500 Programmer is a plug-in module that is part of the Fireye MicroM Flame Safeguard Control system. It determines the functions such as relight, two-stage capability, purge timing and pilot cutoff for the burner control. It has dipswitches for selecting different settings, smart LED indicators that show the operating status and fault codes, a "run-check" switch that allows you to test the pilot flame, and a safety checking circuit that ensures proper operation on each start. It can be used with any type of flame scanner and amplifier module, Call to action




If you are interested in buying a MEP500 Programmer or any other Fireye products, you can visit their website at [https://www.fireye.com/](https://www.fireye.com/) or contact their sales representatives at 1-800-347-3936. You can also find more information and resources about their products on their website, such as manuals, brochures, videos, and technical support.


Don't miss this opportunity to get a reliable, versatile and innovative burner management system that can help you save energy, reduce emissions and ensure safety for your burner applications. Order your MEP500 Programmer today and enjoy the benefits of Fireye's MicroM Flame Safeguard Control system.


FAQs




What is the difference between recycle and non-recycle operation?




Recycle operation means that the programmer module will automatically restart the burner after a flame failure or power interruption without requiring a manual reset. Non-recycle operation means that the programmer module will lockout the burner after a flame failure or power interruption and require a manual reset to restart the burner.


What is the difference between PTFI and PTFO?




PTFI stands for pilot trial-for-ignition and PTFO stands for pilot trial-for-operation. PTFI is the time period during which the programmer module tries to ignite the pilot flame. PTFO is the time period during which the programmer module monitors the pilot flame before allowing the main flame to ignite.


What is the difference between purge and post purge?




Purge is the time period during which the programmer module blows air through the combustion chamber to remove any combustible gases before ignition. Post purge is the time period during which the programmer module blows air through the combustion chamber after shutdown to remove any residual heat and gases.


What is the difference between Modbus and E500 communication interface?




Modbus is a standard communication protocol that allows data exchange between different devices over serial or Ethernet networks. E500 is a proprietary communication protocol developed by Fireye that allows data exchange between different Fireye devices over serial networks.


What is the difference between ED510 and ED580 display?




ED510 is an optional alphanumeric display that can be plugged into the MicroM chassis to show various information about the MicroM system such as burner hours and cycles, system hours, last 6 lockouts with burner cycle time stamp and programmer configuration. ED580 is an optional graphical display that can be mounted remotely from the MicroM chassis to show various information about the MicroM system such as operating status, fault codes, flame signal strength and history.



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