Additional Functions; Independent Initialization For Motor Rotation Direction; V/F Default Settings Changed; Output Frequency Upper Limit Changed - Omron SYSDRIVE 3G3HV SERIES User Manual

Introduction
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Additional Functions

New functions have been added to the following versions, for which production was
started in April 1997.
3.7 to 15-kW models: Software version S2011 (VSP102011) or later
18.5 to 55-kW models: Software version S3012 (VSP103012) or later
Note: The software version can be confirmed by viewing the 4-digit PROM number with
the monitor function. This number is set to the number of the software version.
The functions that have been added with these versions and outlines of these functions
are given below. For details of the functions, refer to Section 4 Operation .
H Independent Initialization for Motor Rotation Direction
Although the functionality of the forward/reverse rotation selection parameter (n005) itself has not been
changed, with new models it will not be initialized when the parameter write prohibit selection/parame-
ter initialization parameter (n001) is set to 6 or 7.
H V/f Default Settings Changed (Inverters of 55 kW or More)
The default settings for V/f patterns have been changed for the Inverters of 55 kW or more as shown
below.
Model
3G3HV-A2550
3G3HV-A4550
H Output Frequency Upper Limit Changed
The upper limit of the setting range for the output frequency upper limit parameter (n030) has been
changed. The addition of a slip compensation function means that frequencies greater than the maxi-
mum frequency (n012) may occur (because the frequency reference is added to the compensation
value). For this reason, the upper limit of the setting range of the output frequency upper limit parameter
(n030) has been increased from 100% to 109%.
H PID Input Characteristic Selection Function (n039)
A PID input characteristic selection input (set value: 27) function has been added to the multi-function
input 5 parameter (n039) that determines the function of terminal S6.
H Carrier Frequency Settings Increased (n050)
The setting 7.0 Hz (set value: 10) has been added to the available carrier frequency settings.
H Minimum Baseblock Time Setting Range Increased (n053)
The setting range for the minimum baseblock time has been increased from the range 0.5 to 5.0 s to the
range 0.5 to10.0 s for increased motor responsiveness.
H Slip Compensation Function (n109 to n111)
A function that compensates for motor slip, a characteristic of induction motors, has been added. Using
this function, the amount of slip is estimated from the output current of the Inverter, and the output fre-
Intermediate output frequency
voltage (n016)
12.0 V
24.0 V
Chapter 1
Minimum output frequency
voltage (n018)
6.0 V
12.0 V
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