YASKAWA VS-626M5, Instruction Manual, Page: 165 / 305

Magnetic Sensor Orientation Control
9 -16
9.11 Magnetic Sensor Orientation Control Mode Adjustment
Procedure
Adjust the Magnetic Sensor orientation according to the following flowchart. Be sure to perform the following
adjustments if the Motor, Inverter, or Encoder is replaced.
Adjustment Item and Procedure Details
Does shaft
stop at correct
position?
NO
YES
NO
YES
NO
YES
NO
YES
Turn ON the power supply.
Initial settings
Is gear ratio
setting correct?
Adjust controller gear
ratio constant.
Do not hold the key
down.
Rotate the load shaft forwards at
100 to 300 rotations/min.
Is motor
speed U1-01 dis-
playing forward
rotation?
Turn OFF bit 7 of C3-22.
Turn ON bit 7 of C3-22.
Select H gear.
Turn ON orientation signal (ORT).
Tuneup incomplete error
(AL-70) is displayed.
Press the STOP Key and RESET
Key simultaneously.
Rotate motor
forwards. Does load
shaft stop at home
position?
Perform error diagnosis
and correct error.
Select control constant display for
load shaft home position (C3-01).
Set the home position data,
and press the ENTER Key.
Shaft stops at new home position.
(1)
Initial Settings: Change Constants Using Digital Operator
S
Turn OFF the orientation selection (bit 0) of selection signal 4 (C1-39).
S
Set the sensor signal standardization angle (C3-20).
S
Turn OFF the tuneup operation selection (bit 4) of orientation selection
signal 1 (C3-22).
Gear Ratio Constants
S
C1-27: Gearbox ratio (H)
S
C1-28: Gearbox ratio (M)
S
C1-29: Gearbox ratio (L)
Input Signal Check
Interface input status (U1-09)
0.0400 to 2.5000
Tuneup Operation
Orientation signal is lit.
Load Shaft Home Position
60 min
− 1
10 min
− 1
Orientation signal
STOP Key and
RESET Key
Load shaft speed
0
FWD
REV
Note: During tuneup, the orientation completion signal (ORE) is not
output.
0
P
1
P
3
P
2
0
P
1
P
2
P
3
Orientation signal
(When 0 < P
1
< P
3
< P
2
)
Home position data
ENTER Key
Load shaft
stop position
Load shaft speed
0
FWD
REV
9