7 Detailed Functions
7 - 16
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• The set time here indicates the acceleration/deceleration time from 0 Hz to the maximum frequency.
• Depending on the maximum frequency and output frequency settings, the actual acceleration/
deceleration time may be shorter than the set acceleration/deceleration time, as shown below.
• The actual motor acceleration/deceleration time cannot be set shorter than the minimum
acceleration/deceleration time, which is determined by the mechanical inertia moment and the motor
torque. Setting a time shorter than the minimum acceleration/deceleration time may cause an
overcurrent/overvoltage trip error.
• If a shorter acceleration/deceleration time is required, use the regenerative braking function.
• Select the rotation direction when the RUN command is executed via the Digital Operator.
• This setting is disabled when the RUN command is input via the control circuit terminal block.
Generally, the forward rotation is defined as the direction in which the motor rotates counterclockwise
when viewed from the shaft.
RUN Direction Selection
Parameter No. Function name Data Default data Unit
F004 RUN Direction Selection
00: Forward
01: Reverse
00 –
Acceleration Time TS
Deceleration Time TS
JL
JM
NM
TS
TB
TL
: Inertia moment of the load converted to the motor shaft [kg·m
2
]
: Inertia moment of the motor [kg·m
2
]
: Motor rotation speed [r/min]
: Max. acceleration torque with the Inverter driving [N·m]
: Max. deceleration torque with the Inverter driving [N·m]
: Required driving torque [N·m]
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