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Here is Technical documentation regarding the Delta VFD-M inverters used on the CNC equipment serviced by The Service Group.
Please click on the link below to view the document:
Delta VFD-M Users Manual
Good afternoon, im Lorenzo a technician working here in Cameroon, we had a Delta VFD-M frequency inverter model VFD 037M43A, my question is regarding the parameter setting on Pr. 36 (Upper Bound of Output Frequency) because the setting on the parameter Pr. 03 (Maximum Output Frequency ) is 60 Hz and my upper bound of output frequency is 40 Hz but when we adjust the bias potentiometer the reading of the frequency exceeds the 40 Hz and reaches 60 Hz , i read the manual it said that if your upper bound frequency is 40 Hz, the the maximum output frequency is limited to 40 Hz only, can you please tell me why we cannot control the upper bound output frequency? thank you so much
Your best bet would be to contact the manufacture directly with this question as we only supply the inverter manuals for customers that have these inverters on their machines.
Here is their Industrial Automation Contact list for worldwide contact:
I hope this helps.
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The Service Group of Washington, Inc.
P.O. Box 3646
3707 168th St. NE Suite 1
Arlington, WA 98223