I want to have the fixed speed after i set it from the keypad Potentiometer. L Inverter Specifications Derating curves, continued Spehro Pefhany k 4 Page 9 L Inverter Derating curves, continued The users who voted to close gave this specific reason: I’ve seen this done to reduce audible noise. Note that “General Specifications” on page 1—9 apply to both voltage class.
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Derating Curves L Inverter Derating Curves The maximum available inverter current output is limited by the carrier frequency and ambient temperature. A member of our team will respond as soon as possible.
The drive has to read the input from the pot, convert it to digital, and then use hitaxhi to determine the frequency. I’ve had nothing but positive experience working with EU Automation. Choosing a higher carrier frequency tends to decrease audible noise, but it also increases the internal heating of the inverter, thus decreasing derating the maximum current output capability. Footnotes for all specifications tables follow the table below.
Controlling a Hitachi L VFD in Labview – Discussion Forums – National Instruments
Page 12 L Inverter Specifications Hitacih curves, continued To print the manual completely, please, download it. Capacitive feedback type, dynamic braking unit and braking.
Add to my manuals Add. The applicable motor refers to Hitachi standard 3-phase motor 4-pole.
HITACHI L SPECIFICATIONS Pdf Download.
Thank you for your request Looking for another part? But there is a third option for source frequency which is a constant frequency and it takes the value from a parameter. I want to have the fixed speed after i set it from the keypad Hhitachi. Why there is continuous variation in output frequency of a Hitachi Inverter L Series?
Also See for L Instruction manual – pages Service manual – 69 pages Quick reference manual – 24 pages. Spehro Pefhany k 4 L Inverter Derating Curves The maximum available inverter current output is limited by the carrier frequency and ambient temperature.
Hitachi L100 Inverter AC Drive L100-004lfr 1/2hp
The users who voted to close gave this specific reason: It may simply be noise in the analog-to-digital conversion. I used that and it solved my problem. Enter text from picture: Products came with appropriate documents and in new condition. Page 8 L Inverter Specifications Derating curves, continued Hitachi L Instruction Manual pages. Page 11 L Inverter Derating curves, continued Please tell me why it is varying and how can i reduce it or make it to run at constant speed.
Hitachi L100M Series L100-022NFE/NFU AC Drives
I’ve seen this done to reduce audible noise. Page 10 L Inverter Specifications Derating curves, continued Summary of Contents for Hitachi L Page 1: L Inverter Derating curves, continued But still I don’t know why was it varying up and down when the source frequency was potentiometer.
Bianca Born 1 week ago I’ve had nothing but positive… I’ve had nothing but positive experience working with EU Automation. Comments to this Manuals Your Name.