12.5 E: MOTOR
524 SIEPCYEUOQ2V01A Q2V Technical Manual
12.5 E: MOTOR
E parameters cover drive input voltage, V/f pattern, and motor parameters.
◆ E1: V/F PARAMETER MOTOR 1
E1 parameters are used to set the drive input voltage and motor V/f characteristics. To switch drive operation
from one motor to another motor, set the V/f characteristics for motor 1.
■ V/f Pattern Settings
The drive uses a V/f pattern to adjust the output voltage relative to the frequency reference.
This product has been preconfigured with 15 voltage/frequency (V/f) patterns. Use E1-03 [V/f Pattern Selection]
to select the V/f pattern that is appropriate for the application.
Additionally, one custom V/f pattern is available. Set E1-03 = F [Custom] and then manually set parameters E1-
04 to E1-10.
Table 12.28 Predefined V/f Patterns
Setting
Value
Specification Characteristic Application
0
CT_50-50Hzmax Constant torque For general purpose applications. This pattern is used when the load torque is constant without
any rotation speed such as that used for linear conveyor systems.
1
CT_60-60Hzmax
2
CT_50-60Hzmax
3
CT_60-72Hzmax
4
VT_50-35HzmidV Derated Torque
Characteristics
This pattern is used for torque loads proportional to 2 or 3 times the rotation speed, such as is
the case with fans and pumps.
5
VT_50-50HzmidV
6
VT_60-35HzmidV
7
VT_60-50HzmidV
8
HT_50Hz_125 V High starting torque This pattern is used when strong torque is required during startup.
9
HTrq50Hz-165 V
A
HTrq60Hz-125V
B
HT_60Hz-165V
C
HF_60-90Hzmax Constant output This pattern is used to rotate motors at greater than 60 Hz. Output voltage is constant when
operating at greater than 60 Hz.
D
HF_60-120Hzmax
E
HF_60-180Hzmax
F
Custom Constant torque Enables a custom V/f pattern by changing E1-04 to E1-13 [V/f Pattern for Motor 1]. The
default settings for E1-04 to E1-13 are the same as Setting Value 1 [CT_60-60Hzmax].
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