Yaskawa V7 High HP - Manual (Page 3)

Date: 03/29/05, Rev: 05-03 Page 3 of 8 TM.V7SW.026H
2. Modifications from standard software
Changed item High frequency software Standard software
Maximum output frequency 800Hz
400Hz
Carrier frequency • Fixed at 5kHz
• Parameter n080 (Carrier
frequency selection) deleted
2.5kHz ~ 10kHz, synchronous
carrier, selected by parameter
n080
Setting unit for all parameters related to
frequency
Frequency reference and output frequency
display units
• Fixed at 0.1Hz.
• Parameter n035 (Setting/display
unit of frequency reference
selection) is deleted
• 0.01Hz (less than 100Hz)
• 0.1Hz (above 100Hz)
• Selected by parameter
n035
Memobus frequency reference/monitor unit
selection
n152 selection 1 (0.01Hz) is deleted This selection is included
Control mode • Fixed at V/f mode
• Parameters for VVC mode are
deleted
• V/f or VVC
• Set by n002 (Control
mode selection)
Torque compensation n103 (Torque compensation gain)
setting unit is 0.01 n103 setting unit is 0.1
V/f setting Parameter n045 (Base frequency
voltage) added No base frequency voltage
parameter
Deleted functions* • Frequency reference unit
selection
• Control mode selection
• Carrier frequency selection
• Slip compensation
• Energy savings
• Input/output phase loss detection
• Dynamic braking resistor
overheat protection
• Reference loss detection
• Multi-function analog input
(operator CN2)
• PID control
• Pulse output monitor
These functions are included
* Please refer to the deleted parameter list on the following page