motor tacho generator (T.G)
※
Speed (VR24) is set to be compatible with tacho generator (T.G) at
DC30[V]/1000[RPM].
※
When the rotation of the motor is unstable during the setting of the maximum rotational
speed, adjust Ngain (VR5) to stabilize the speed and set Nmax (VR1).
[caution] In setting the maximum speed, the drive output voltage (A+, B-) must not
exceed the armature rated voltage of DC motor.
6.5.3 Setting for the maximum and minimum rotational speed (Nmax and Nmin) due to
the armature voltage feedback (EM-1), Caliberation of Speed according to Load
-. This applies when there is no motor tacho generator (T.G). Set selector switch
DIPSW1 to EM-1.
-. Turn on the motor operation signal RUN terminal ( TB1 No. 23).
-. Set the value for external speed command to the minimum value (0[V]), and adjust
trimmer Nmin (VR4) to set to the minimum rotational speed.
-. Slowly increase the external speed command value to set to the maximum
value(+10 [V]), and adjust trimmer Nmax (VR1) to set it to the maximum rated
speed of the motor.
- When using a digital display meter (HN230) embedded in the drive to adjust, choose
selector switch No. 6 (SW1) and adjust trimmer Nmax (VR1) to make the display
meter value to reach the armature rate voltage value of the motor.
- Trimmer IxR (VR7) is only used in the armature voltage feedback control (EM-1).
If the rotational speed of motor changed according to the load, adjust trimmer IxR
(VR7) to caliberate the speed change.
6.5.4 Setting the Maximum Operational Current Value (Imax)
-. The setting for the maximum operational current of drive is determined by the
actual load current, and is set by trimmer Imax (VR6).
(Clockwise: Increase the set current, Counterclockwise: Decrease the set current)
-. When readjusting the maximum operational current, turn off selector switch S2-2
while ENB terminal (TB1 No.24) and RUN terminal (TB1 23) are open, and set the
external speed setting to +5[V].
Choose selector switch No. 8 (SW1) of the digital display meter (HN230) embedded
in the drive, and adjust trimmer Imax (VR6) to make the maximum operational
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