Reliable Wireless

Simple Continuity Testing

"I really hate trying to decipher those little LEDs on my panel, to figure out the continuity test. It's almost impossible to see them in the afternoon sunlight, and by the time it's dark it's way too late. Then when the light's out, I have to check it against the cue sheet to make sure it's not supposed to be out. Give me a test that just tells me what to fix."

Each Firelinx firing module automatically tests its own downloaded cue list for Opens and Shorts, and then reports the results back to the Command Module for display in easily readable text. The results are collected and compiled by the Command Module into a simple report of only those terminals that are miswired. No more peering at dim LEDs. The LEDs used for continuity testing are a Catch-22. In order for the LEDs to be bright enough to read, you have to pass a lot of current through them. During the continuity test, however, you want as little current as possible for safety. LED systems are a balancing act, at best. Firelinx uses less than 1mA for testing, but displays the results in easily readable text on the Command Module. Truly the best of both worlds.

"I know sometimes the e-match doesn't fire because the wiring was there, but it was iffy. It still passed the continuity test, but it didn't fire. I need to know that if it's wired, it will fire."

Fireworks If an e-match is guaranteed to fire at 0.5 Amperes, and the modules fires at 30 Volts, there has to be less than 60 Ohms of resistance across the e-match to guarantee it will fire. Bad weather conditions can corrode wiring, oils from skin, dirt, etc. can increase the resistance of the wired connections to the point that firing is not guaranteed. Many systems testing continuity will pass connections measured in the hundreds of Ohms. A 200 Ohm connection may pass the continuity test, but not have enough power to guarantee match firing. Firelinx measures the actual resistance at the wiring, and compares it against the Choreography. This allows us to warn if there's a discrepancy between what was wired and what was planned, and to fail any connection over 60 Ohms.

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