System Parameter 80; Speed Command Voltage; Pulse Train Input; Forward Rotation, Reverse Rotation - Fuji Electric Faldic-a RYS-R Series User Manual

Ac servo system
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(10) System parameter 80[Basic type, SX bus, T-link]
Para.
Name
80
Rotational direction changeover
This para. makes the motor rotational direction match the machine moving direction.
■ Speed command voltage [NREF] (multistep speed)
The positive direction means the rotational direction when a positive (+) voltage is applied to speed command voltage terminal [NREF]
(multistep speed), and forward command [FWD] is given. The motor output shaft rotates forward.
The voltage input of -10 to 0 to +10 [V] can be applied.

■ Pulse train input

The positive direction means the rotational direction when a forward pulse or command code at H level, or a pulse train of two 90° phase-
different (B-phase advance) signal is applied. The motor output shaft rotates forward.

■ Forward rotation, reverse rotation

Forward rotation is counterclockwise (CCW) rotation when viewed from a point facing the drive-end of motor. Clockwise rotation is reverse
rotation.
■ Resolution of speed command [NREF]
The resolution is 14 bit at full scale. When a speed reference voltage of 5000 [r/min] /10 [V] is given, (-5000 to +5000) [r/min] / 2
is obtained.
(11) System parameter 81[Basic type, SX bus, T-link]
The status when the motor is stopping can be selected.
Para.
Name
81
Operation at stoppage
■ Servo lock
The motor can be stopped retaining the current position (current position of motor's encoder).
■ Brake (P-action)
The motor can be stopped by the motor's brake, by using the brake timing outputted from amplifier. The motor output shaft is mechanically
locked and the control system gain on the amplifier side is lowered.
■ Brake (free-run)
The motor can be stopped by the motor's brake, by using the brake timing outputted from amplifier. Noise or vibration will not be generated
because the no motor control is made.
For details, see 5.7.10.
Setting range
0 : Positive direction / forward
1 : Positive direction / reverse
Setting range
1 : Servo lock
2 : Brake (P-action)
3 : Brake (free-run)
6-40
Initial value
Change
0
Power
Initial value
Change
1
Power
14
= 0.6 [r/min]
MHT260a (Engl.)

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