Omron SYSDRIVE 3G3MX-A2002, User Manual

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4-14
4-2 Function Mode
4
Func
tions
„
Output Voltage Gain
• Changes the Inverter output voltage in percentages, with the voltage selected in the AVR voltage
selection (A082) as 100%.
• The Inverter cannot output voltage beyond that of the incoming voltage.
DC Injection Braking (DB)
This function securely stops the motor rotation during deceleration.
• Two methods are available for DC injection braking: One is the external method via the multi-
function input (external DC injection braking); the other is the internal method performed
automatically to stop the motor (internal DC injection braking).
• Below are operation types:
Edge operation: DB operates during the specified time period from the DB signal input.
Level operation: DB operates while a signal is being input.
Frequency control mode: DB operates when the frequency reaches the specified level during
operation.
• If DC injection braking operates at a high motor speed, an overcurrent trip (E01 to E04) or overload
trip (E05) may occur. For internal DC injection braking, the following adjustment may help you
avoid such a situation:
Lower the DC injection braking frequency (A052).
Increase the DC injection braking delay time (A053)
For external DC injection braking via the multi-function input, use the external DC injection braking
terminal (along with deceleration stop).
Motor voltage
selection
(100%) (A082)
A045
Base frequency
(A003/A203) Max. frequency
(A004/A204)
Parameter No. Function name Data Default setting Unit
A051 DC injection braking selection
00: Disabled
01: Enabled
00

A052 DC injection braking frequency 0.0 to 60.0 0.5 Hz
A053 DC injection braking delay time 0.0 to 5.0 0.0 s
A054 DC injection braking power 0. to 100. 50 %
A055 DC injection braking time 0.0 to 60.0 0.5 s
A056
DC injection braking method
selection
00: Edge operation
01: Level operation
01

Related functions C001 to C006