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Sid Gopal

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Sid Gopal


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RE: PowerFlex 525 Primary fuses blowing intermittently

Posted By Sid Gopal Dec 13, 2024 04:02:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Most recent update. Fuses blew again 12/10/2024 even after changing P33 = P34

RE: PowerFlex 525 Primary fuses blowing intermittently

Posted By Sid Gopal Nov 08, 2024 12:33:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi Mihajlo, I had used default values for P33 during commissioning. Reduced it to match FLA. Let's see how it performs. Also, it's hard to know the state of the motor when the fuses blow since it's so infrequent and most likely no knowledgeable person will be monitoring it when the issue happens. ...

PowerFlex 525 Primary fuses blowing intermittently

Posted By Sid Gopal Nov 08, 2024 07:41:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hello, I could use help in understanding an issue with two primary fuses blowing randomly instead of the drive faulting out. I installed a 460V 15HP PF525 installed ~3 years ago. It runs very frequently (almost 24x7). No issues for the first 18 months. Then the first instance of two primary ...

PowerFlex 525 Primary fuses blowing intermittently

Posted By Sid Gopal Nov 08, 2024 07:40:52 AM
Found In Library: Drives, Motion Control and Low Voltage Products

RE: Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 19, 2021 12:58:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi TJ! Apologies, I was tinkering with the parameters and must have saved it! That's why the preset values were different. But you bring up an interesting point with regards to DigIn termblk 03. The manual says '7' is for 'preset' but it shows up as RESERVED in CCW. The scrolling text under ...

RE: Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 19, 2021 12:49:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Thanks a ton @fuzzy logic. A572 took care of it!​​ ------------------------------ Sid Gopal ------------------------------

RE: Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 19, 2021 09:31:12 AM
Found In Library: Drives, Motion Control and Low Voltage Products

RE: Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 19, 2021 09:31:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi TJ, parameter file uploaded ------------------------------ Sid Gopal ------------------------------

RE: Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 16, 2021 01:46:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hi Fuzzy logic, Appreciate your response . Here's the current parameter list with your recommendations P43 – 0 Hz P44 - 60 Hz P45 – 1 P46 – DigIn TrmBlk P47 – Preset Freq P48 – Serial/DSI P49 – Drive Pot P50 – Network Opt P51 – Keypad Freq ...

Powerflex 523 - Using Preset Frequency Set Points

Posted By Sid Gopal Jul 16, 2021 07:16:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Hello, I could use some assistance in setting up a PowerFlex 523 for a blower application with multiple preset speed set points. From a digital input perspective, it needs to have just one 'run' command to start and stop the drive. According to the manual, three other inputs can be setup for preset ...