YASKAWA VS-626MT Series - Page 18

7 . Cont .
8 .
SYMBOL FUNCTION ADJUSTMENT
8RH(A) Level adjustment of Normally the current is not limited during
current limit at deceleration . (8RH is set
to
full CCW)
deceleration
But if the load has a large
inertia
and a
large current flow
through braking
circuit
at deceleration, 8RH
should be
adjusted to
reduce the
current .
SYMBOL
FUNCTION ADJUSTMENT
METER(A) Scale adjustment of Adjust the tachometer at ratedspeed .
Tachometer A 1ma DC full scale
ammeter should be
used for the tachometer .
NDET(A) Level adjustmentof
Adjust
to 10-30% of
rated
speed
.
speed detection
(0 .6V-1 .8V at CH8(A) )
If the speed goes under the set level,
terminals 40 and 41(A) will be closed
.
IDET(A) Level adjustmentof Adjust to 0-200%of rated
)
current detection current . If current goes
300
over set level, terminals
200
38 & 39(A) will close .
100
IDET
5
10
ILIM(A) Level
adjustment of Can adjust 10-100% of rated current when
current limit 12V is applied at terminal 50(A), otherwise
it is set by TLIM .