IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
5-14
Figure 5-6: Jump Frequencies
Field Forcing
The Field Forcing function compensates the delaying influence of the motor time constant when
changing the excitation current reference and improves motor responsiveness. Field Forcing is
ineffective during DC Injection Braking.
Table 5-13: Field Forcing Parameter Settings
Parameter Display Function Range Default
B09-03 Field Forcing Selection Enables or disables the Field
Forcing Function.
0, 1 0
0 Disabled
1 Enabled
B09-06 Field Forcing Limit Sets the maximum level at which
the Field Forcing function can
boost the excitation current
reference. The value is set as a
percentage of the motor no load
current. This parameter does not
normally need to be changed.
100–400% 200