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Process Control Frequently Asked Questions AutomationDirect Logo


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  1. What is a limit controller?
  2. Why must a controller be tuned and if so when?
  3. Do you sell a 24VDC version of the PM24, TC33, PC35, or Solo controllers?
  4. What is the input sampling rate?
  5. Can the units communicate to external devices?
  6. How can I set the controller to on/off control?
  7. How do I change from F to C degrees?
  8. Why does the temperature go down instead of up when the heat is applied?
  9. What is a PID/Process controller?
  10. When I press and hold the "setup" key on the PC35 to configure the controller, the display flashes between settings. Why does it flash?
  11. How many feet of thermocouple wire can I use?
  12. What is retransmission on the PC35 controllers?
  13. How should I wire your RTD0100 series of RTDs to the FC-R1 RTD signal conditioner?
  14. Can the SOLO Ramp/Soak function be turned on remotely from an external input?
  15. Can you pause a ramp/soak pattern in the Solo controller? What happens if the unit loses power while running a ramp/soak pattern?
  16. What are the color codes for American and Canadian Thermocouples?
  17. How does the FC-11 respond to a break in the input loop or loss of connection at the input?
  18. Why does my Solo software appear "chopped off" at the bottom of my computer monitor?
  19. How does the Solo temperature controller calculate PID
  20. How do I loop Ramp/Soak patterns in a Solo controller?
  21. In the Solo controller, if I have a 4-20mA input and output 1 is a 4-20mA output, the output works fine when tested by a meter. however, when I connect the output to my 4-20mA input device the Solo output goes to maximum current and won't change.
  22. Does SoloSoft software support higher than COM8?
  23. What Exception Responses do the Solo temperature controllers support?


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