dsula
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Everything posted by dsula
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Ok, thank you. I guess I have to go thru the code and actually understand what's going on. I was hoping there's a hysteresis option on the input similar to the filter one can enable. But if there isn't I'll just have to dive in and get it over with. *smile*. Thank you Daniel
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I have some legacy jazz ladder code I inherited that must be modified. The code reads a temperature sensor and controls a heating element to reach the setpoint. The temperature sensor jitters around the setpoint causing excessive on/off switching of the heater. Because I'm new to ladder programming I figured it would be easiest to simply add some hysteresis (deadband) directly at the sensor reading instead of trying to fiddle with the rest of the code.
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Hi, I'd like to add some small amount of hysteresis to an analog 4/20mA input. How can that be done? I'd very much appreciate if anybody could point me in the right direction. I'm a seasoned programmer, but I'm brand new to PLC and Ladder programming. Many thanks.