Adjustment - YASKAWA VS-626MT Series Manual

1 .
Adjustment of Speed Reference
Q . ADJUSTMENT
(A
means part with a parenthesis are found on the JPAC-C026
(C means part with a parenthesis are found on the JPAC-C051
2 . Adjustment of Speed Feedback
3 . Adjustment of Speed
SYMBOL FUNCTION
ADJUSTMENT
1RH(A) OFFSET adjustment Adjust CH4(A) within ±3mV when speed
of speed reference reference is ,zero .
2RH(A) LIMIT adjustment
W(A) Adjust the maximum
of speed reference speed reference .
ICCW
Normally set full CW .
Speed
Reference
3RH(A)
GAIN adjustment of Adjust the CH4(A) to +6 .OOV at 100%
forward reference forward speed reference .
4RH(A) GAIN adjustment of Adjust the CH4(A) to -6 .OOV ±3% at
reverse reference
100% reverse speed reference .
SYMBOL
FUNCTION ADJUSTMENT
6RH(C) ZERO adjustment of Adjust CH3(C) within ±3mV when speed
feedback is zero .
5RH(C)
GAIN adjustment of Adjust CH3(C) to ±6 .OOV at rated speed
feedback (- : forward, -F : reverse)
SYMBOL
FUNCTION ADJUSTMENT
NFB(C)
Adjustment of Speed
Adjust to rated speed at rated speed reference .
If there is a difference between forward and
reverse, adjust by 4RH(A) .
1RH(C) OFFSET adjustment If there is a difference between forward and
of Speed reverse at low speed, adjust so they are equal .