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  • Hitachi Drives

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  1. How do I connect a resistor (SRB) to an inverter drive?
  2. How does Hz correlate to speed on an inverter drive?
  3. Do I need to purchase anything else to program my drive?
  4. Can the software be used with Allen-Bradley equipment?
  5. I cannot get my intelligent terminal to program with the options I want. It just skips over them. Why?
  6. Can I use the 24vdc supply on the inverter for field devices on my machine?
  7. Will the SJ-100 accept encoder feedback?
  8. We are building a panel for our drives. How can we know the heat put out by each drive?
  9. Although the SJ100 inverter is a variable speed drive, can I use it in a fixed-speed application?
  10. Can I use an inverter and AC induction motor in a positioning application?
  11. Why does the manual or other documentation use terminology such as "200V class" instead of naming the actual voltage, such as "230 VAC?"
  12. I live in a country where the domestic utility power is 115 VAC. Is there a way to conveniently access a 230 VAC power source for a test bench to develop a motor application?
  13. Some models of Hitachi inverters will accept either single phase or three-phase power input. How do I know which input power type to use? Can the drive power a single phase motor?
  14. Will I be able to add dynamic (resistive) braking to my Hitachi SJ100 drive after the initial installation?
  15. Several options related to electrical noise suppression are available for the Hitachi inverters. How can I know if my application will require any of these options?
  16. The SJ100 features a PID loop feature. PID loops are usually associated with chemical processes, heating, or process industries in general. How could the PID loop feature be useful in my application?
  17. What is the proper selection of line reactors for single phase 230 V inverters?
  18. What are the dimensions of the OPE-J?
  19. The display on my drive reads E12 and will not allow me to program or run the drive?
  20. No matter what I change on the SJ100 or L100 I cannot get the remote operator to start/stop or change speeds, why?
  21. What size remote potentiometer do I use?
  22. How can I digitally control speed on the keypad with the up and down arrows instead of using the local potentiometer?
  23. Is there a difference between the way drives are defined as sinking or sourcing devices versus PLCs?
  24. How does the jog command work?
  25. What parameters do I change in the L100/SJ100 drives for a centrifugal load?
  26. What parameters do I change in the SJ300 drives for a centrifugal load?
  27. How do I size a SJ300 drive for the 0Hz function?
  28. On the SJ100/L100 when I run multi-speeds, do I need to set A20?
  29. What considerations do I need to investigate for running multiple motors on one inverter?
  30. What considerations do I need to investigate to run the motor beyond 60Hz?
  31. Can I duplicate MOP (Motor operated potentiometer) or MOR ( Motor operated rheostat) with the intelligent inputs.
  32. What is the bit resolution of Hitachi drives?
  33. I cant get the knockouts out of the bottom of the SJ300 drive or the NEMA 1 cover on the L100/SJ100?
  34. Can I use the free-run stop function on the L100 drive?
  35. What does the temperature spec of the drive mean? What is the conversion from Celsius to Fahrenheit?
  36. What Type of surge protection should I use with the dc output of the drive output terminals?
  37. Can I use a motor starter protector with Variable speed drives and inverters?
  38. Can I use these on electric vehicles?


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