Yaskawa V7 High HP User 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