Page 4–132
DURApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Chapter 4: AC Drive Parameters
Type Hex Addr Dec Addr
P6.13 Auto Adjustable Accel/Decel
♦R/W 060D 41550
Range/Units (Format: 16-bit binary) Default
0: Linear Accel/Decel
1: Auto Accel, Linear Decel
2: Linear Accel, Auto Decel
3: Auto Accel, Auto Decel
4: Auto Accel/Decel Stall Prevention (limited by P1�01~P1�08 and P1�13~P1�14)
0
In regards to auto accel and auto decel ramps, this parameter helps to decrease the mechanical
vibration when a motor starts/stops a load, and helps prevent complicated auto-tuning processes.
It auto-detects the torque size of a load, and then accelerates to reach the frequency of your
setting within the shortest time and the smoothest start-up current. It can also auto-detect the
re-generated voltage of a load, and then decelerates to stop the motor within the shortest time
and in a smoothest way.
Setting Explanations:
0: Linear acceleration and deceleration operation by P1.01~P1.08 acceleration/deceleration
times.
1: Automatic acceleration; linear deceleration (Acceleration by automatic operation;
Deceleration by P1.02, P1.04, P1.06, or P1.08 decel time).
2: Linear acceleration; automatic deceleration (Acceleration by P1.01, P1.03, P1.05, or P1.07
accel time; Deceleration by automatic operation).
3: Automatic acceleration and deceleration. (Operation by GS4 drive auto adjustable
control). The drive won’t stall during acceleration, so a brake resistor is not required. If
the acceleration/deceleration is in a reasonable range, the drive will accelerate/decelerate
in accordance with the setting of P1.01~P1.08. If the Accel/Decel Time setting is too short,
the actual accel/decel time will be greater than the setting of Accel/Decel Time.
4: Auto acceleration; deceleration is for stall protection only. The auto accel/decel will not be
quicker than the settings for Accel and Decel Times (P1.02~P1.08 and P1.13~P1.14). The
operation is specifically for preventing a stall.
P0.04 max Frequency
P2.08 min Frequency
Accel Time
Time
Decel Time
When P6.13 is set to 0
1
1
When P6.13 is set to 3
2
2
P1.01 P1.03
P1.05 P1.07
P1.02 P1.04
P1.06 P1.08
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