V3F25/18 drive
Installation Instruction
© 2004 KONE Corporation AM-11.65.020
All rights reserved. 32 (42) (E) 2004-01-08
6.7 Balance measurement in elevators with V
3
F25 drive
Step Action Note
1 Measure the voltage between MEAS
test point and AGND on HCB board.
This voltage is equivalent to the motor
current.
Measuring points on HCB board:
2 Drive the empty car downwards and
with rated load upwards.
Use rated speed.
Measure these values at same level in
the elevator shaft.
3 Record values. The difference of the measurements
may be about 5 %.
4 If the difference is more than 5 %, recheck the elevator mechanical balancing.
Check also the adjustment of guide shoes or rollers against the guide.
V
3
F25 drive,
nominal current
CMB board
Pass through
MEAS test point
1 VAC equals
40 A, 782999G01 2 30 A
80 A, 782999G02 1 60 A
100 A, 782999G04 1 80 A
M3
R525
R526
XI1
MEAS
NEG10V
AGND2
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