Modicon/Concept

shockenberry

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Jan 2006

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Milan, Ohio

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4

• Jan 6, 2006

• #1

I need to set an Abort sequence as follows: I have a Type K Thermocouple on a heater coil which has JP7 fuel running through it; If there is a sudden increase in Temperature (which indicates a ruptured coil)I need to abort. Any Ideas?

shockenberry

 

Jim Dungar

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Apr 2002

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WI

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1,152

• Jan 6, 2006

• #2

How sudden is sudden? 10% in .1 sec?

Are you using ladder logic or function blocks or structured text as your language?

How about a simple compare based on time?

 

shockenberry

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Milan, Ohio

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• Jan 6, 2006

• #3

Jim Dungar said:

How sudden is sudden? 10% in .1 sec?

Are you using ladder logic or function blocks or structured text as your language?

How about a simple compare based on time?

Click to expand...

Jim, 50 deg. in 5 secs.;I am using ladder with function blocks, I have tried a counter (INT) with a timer, however I need to reset say ever 5 secs. Steve

 

shockenberry

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• Jan 9, 2006

• #4

Jim, Picking back up... I have tried a "counter" to count the Temperature increase incrementally for a specified period of time (timer); however, I need to be able to reset the rung every 20 seconds or so. Any ideas?
Steve