
Rockwell Automation Publication 280E-UM001B-EN-P – July 2012 169
Bulletin 280E/281E/284E Programmable Parameters Chapter 7
➋When a Digital Input is set to "Accel 2 & Decel 2", and the input is active, that input overrides the settings in this table.
Input State of Digital In 1 (I/
O Terminal 05 when
Parameter 151 = 4)
Input State of Digital In 2 (I/
O Terminal 06 when
Parameter 152 = 4)
Input State of Digital In 3 (I/
O Terminal 07 when
Parameter 153 = 4)
Frequency
Source
Accel/Decel
Parameter
Used ➋
1 0 1 175 (Preset Freq 5) (Accel Time 3)/(Decel Time 3)
0 1 1 176 (Preset Freq 6) (Accel Time 4)/(Decel Time 4)
1 1 1 177 (Preset Freq 7) (Accel Time 4)/(Decel Time 4)
Jog Frequency
Sets the output frequency when the
jog command is issued.
Parameter Number 178
Related Parameters 135, 151…154, 179
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 0.1 Hz
Minimum Value 0.0
Maximum Value 400.0
Default Value 10.0
Jog Accel/Decel
Sets the acceleration and deceleration
time when a jog command is issued.
Parameter Number 179
Related Parameters 151…154, 178
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 0.1 sec
Minimum Value 0.1
Maximum Value 600.0
Default Value 10.0
DC Brake Time
Sets the length of time that DC brake
current is injected into the motor.
Refer to Parameter 181 (DC Brake
Level).
Parameter Number 180
Related Parameters 137, 181
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 0.1 sec
Minimum Value 0.0
Maximum Value
99.9
(Setting of 99.9 = Continuous)
Default Value 0.0
➊To activate 170 (Preset Freq 0) set 138 (Speed Reference) to "4" (Preset Freq).
➋When a Digital Input is set to "Accel 2 & Decel 2", and the input is active, that input overrides the settings in this table.
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