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  • Users: kchap
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  1. kchap

    toggle"momentary input" to switch output on/off

    this worked for me quite well. the only issue is that the output is not retentive on power cycle. if the output is true and power is cycled, it will return to false. input_pb one_shot one_shot_fired --||-----------(ONS)----------------------( ) one_shot_fired output...
  2. kchap

    migration from AB to Siemens

    I work for an OEM that has used AB controls exclusively for the past ten years. We have a new customer who wants to standardize on Siemens, and we have been wrestling with them for quite some time now over the controls platform issue. They have brought in Siemens reps to woo us with all kinds...
  3. kchap

    Allen-Bradley HPK series motors

    I have an application in the food industry (flour, powdered ingredients, etc...) that will probably use an AB HPK series motor, but this environment is very dusty. My concern is the blower attached to the motor. I'm wondering if the blower will allow dust to enter the motor housing. If anyone...
  4. kchap

    random element on ladder programming

    in c programming, there is a rand() function that generates a pseudo-random number. but each time the function is called, it generates the same sequence. in order to generate truly random numbers, there is a function called srand() that uses time as the base for generating the numbers. i...
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