V/F Pattern Selection: E1-03 - YASKAWA V1000 Series Technical Manual

4.6 Basic Drive Setup Adjustments
Input Voltage Setting Value: E1-01
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The input voltage level determines the overvoltage detection level and the operation level of the braking transistor as shown in the table below.
Voltage Setting Value of E1-01
200 V Class all settings
setting ≥ 400V
400 V Class
setting < 400V
Note: This data is for an internal dynamic braking resistor of 0.1 to 18.5 kW. For larger units, see "Dynamic Braking Resistor Unit for VARISPEED-600 Series, TOBPC72060000."

V/f Pattern Selection: E1-03

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Parameter E1-03 is only available when using V/f Control. It allows the user to set the required V/f pattern and drive output voltage. When running a
high-speed or special-purpose motor, this function fine tunes the amount of torque required for the load. Select the V/f pattern from 15 fixed V/f patterns
or 1 user-programmable V/f pattern.
No. Parameter Name
E1-03 V/f Pattern Selection
Setting Instructions for Setting a V/f Pattern
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1.
Set the input voltage for the drive.
2.
Select one of the two following V/f patterns:
• *Select one of the 15 preset V/f patterns (setting = 0 through E)
• **Select the Custom V/f pattern (setting = F)
3.
In case of *, the following parameters are automatically set.
In case of **, the following parameters are adjustable.
E1-04 (Max Output Frequency), E1-05 (Max Voltage), E1-06 (Base Frequency), E1-07 (Mid Output Frequency), E1-08 (Mid Output Frequency
Voltage), E1-09 (Min Output Frequency), E1-10 (Min Output Frequency Voltage)
Selecting a Preset V/f Pattern
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There are two types of V/f patterns: a method to select one of the 15 presets (set value: 0 to E) and a method to select arbitrary V/f pattern (set value: F).
Refer to Table 4.20 .
No. Parameter Name
E1-04 Maximum Output Frequency (FMAX)
E1-05 Maximum Voltage (VMAX)
E1-06 Base Frequency (FA)
E1-07 Mid Output Frequency (FB)
Note: The default setting for the V/f pattern is for a custom V/f pattern (E1-03 = F).
Setting
0 50 Hz
1 (F) 60 Hz
2 60 Hz (with 50 Hz base)
3 72 Hz (with 60 Hz base)
4 50 Hz, Heavy Duty 3
5 50 Hz, Heavy Duty 2
6 60 Hz, Heavy Duty 3
7
60 Hz, Heavy Duty 2
8 50 Hz, mid starting torque
9 50 Hz, high starting torque
A
60 Hz, mid starting torque
B 60 Hz, high starting torque
84
OV Detection Braking Transistor
Level Operation Level
410 V 394 V
820 V 788 V
740 V 708 V
0 to E: Select from 15 preset V/f patterns.
F: Custom V/f pattern (allows use of E1-04 through E1-10).
Refer to Drive Input Voltage Setting: E1-01 on page
Output Voltage (V)
E1-05
E1-12
E1-13
E1-08
E1-10
Figure 4.24 V/f Pattern
Table 4.20 V/f Patterns
Specification
(Approximate Values)
UV Detection Level
190 V
(single-phase=160 V)
380 V
350 V
Description
E1-09 E1-07 E1-06 E1-11 E1-04
Frequency (Hz)
No. Parameter Name
E1-08 Mid Output Frequency Voltage (VC)
E1-09 Minimum Output Frequency (FMIN)
E1-10 Minimum Output Frequency Voltage (VMIN)
Characteristic
For general purpose applications, torque remains constant regardless of speed
Constant torque
changes.
For applications where torque changes with the speed like fans, pumps, and
Reduced or variable torque
others that require reduced torque relative to the load.
High starting should be selected only when:
• Wiring between the drive and motor exceeds 150 m
High starting torque • Large amount of starting torque is required
• AC reactor is installed
• motor exceeds the largest motor recommended for that drive used
YASKAWA ELECTRIC SIEP C710606 18A YASKAWA AC Drive – V1000 Technical Manual (Preliminary)
Voltage Level for OV
Desired AC Voltage
during KEB
240 V
480 V
440 V
Setting Range
0 to F
83.
Application
Suppression, Stall
Prevention
370 V
740 V
660 V
Default
F