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# <a name="Hybrid Test Stand Sequencer"></a> Hybrid Test Stand Sequencer

----

The Hybrid Sequencer is a program designed to communicate with the [Flex Tek](http://www.flex-tek.com) FCIF010 Flex Bus Board via a RS232 serial port from a PC. The Flex Bus microcontroller in turn controls a custom [interface board](http://psas.pdx.edu/HybridFireControl/flextek_hybrd_interface_v2.png) containing MOSFET power switches that activate the igniter and solenoids of the hybrid motor test stand.

<div>
  <center>[[sequencerscreen.jpg]]</center>
</div>

The Hybrid Sequencer program has two primary functions:

1. Automated control the digital output channels of the [[Flex Bus and Interface board|HybridSequencer/flexandinterface.jpg]] to activate and deactivate them at the appropriate times thus turning on and off the solenoids for the oxidizer, purge and igniter functions. <br />
2. Serve as a manual interface with the Flex Bus and Interface board to select the digital output channels as required through the ‘Test Panel’ buttons.

The [[FC1F010]] is a multi-function microcontroller with a modest amount of Digital I/O and Analog to Digital converters

The Flex Bus microcontroller is designed to be easily programmed with Visual Basic and utilizes an Active X component named [[EZX.ocx|HybridSequencer/exz1.jpg]] (“FTView” for newer versions) which handles the interface between the Visual Basic program and the microcontroller hardware. This Active X control can be downloaded from the Flex Tek website [[or here |HybridSequencer/EZX.ocx]] and can be inserted as a Control Component in your Visual Basic project.

The Hybrid Sequencer 2.0 program is designed to command this Active X control in a particular timed sequence that is determined by the user through a graphical interface.

To install Hybrid Sequencer 2.0:

- Download appropriate installation file. (Win98, 2000 or XP)
- Click on Hybrid Sequencer.exe and the Setup file will install the application.

To view the Visual Basic source code [[click here|HybridSequencer/hybridseq2VBsource.txt]].

Old [Control Software v 0.2](http://psas.pdx.edu/HybridFireControl) Page.