Delta VFD13AMS43ANSAA

Chapter 12 Descriptions of Parameter SettingsMS300
439

11-37
Forward Speed Limit (Torque Mode)
Default: 10
Settings
0–120%

11-38
Reverse Speed Limit (Torque Mode)
Default: 10
Settings
0–120%
 Limits the speed for forward and reverse running in torque mode (Pr.01-00 Maximum Operation
Frequency = 100%).
11-41
PWM Mode Selection
Default: 2
Settings
0: Two-phase modulation mode
2: Space vector modulation mode
 Two-phase modulation mode: effectively reduces the drive power component losses and
provides better performance in long wiring applications.
 Space vector modulation mode: effectively reduces the power loss and electromagnetic noise of
the motor.

11-42
System Control Flag
Default: 0000
Settings
0000–FFFFh
bit No.
Function
Description
0
Reserved
1
FWD / REV action control
0: FWD / REV cannot be controlled by Pr.02-12 bit 0 & 1.
1: FWD / REV can be controlled by Pr.02-12 bit 0 & 1.