Functional Description; Performance Of Vector Control With - Toshiba TOSVERT VF-AS3 Instruction Manual

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Functional Description

3. 1 Performance of vector control with PG
sensor
Using the pulse-row feedback signal from the encoder installed on the motor shaft or load rotation shaft,
vector control with sensor can be conducted.
Speed control operation:
Torque control operation: Torque control accuracy: ±10%
3. 1. 1 Parameter setting for vector control with PG sensor
During operation with vector control with sensor, it would be necessary to set the following parameters
shown below.
■ Set V/f pattern
Table 3-1. parameter of control pattern
Function
Title
Name
Pt V/f Pattern
When conducting vector control with sensor (speed/torque control) with this board option, [Pt] = "10",
"11", "12" should be set.
For torque control operation, it is necessary to allocate control switching (torque/position) to one of the
terminal function selection [F111] to [F118] (input terminal function selection 1 to 8) (when [CMOd] ="0")
or to allocate to communication control switching (when [CMOd] ="2" to "5"), in addition to the above
parameters.
For details of adjustment methods by the speed control command and torque control command, refer to
the inverter manual.
0 speed to 150% torque,
speed control range 1:1000 (1000 ppr-PG)
speed accuracy ±0.02% (50Hz base digital input)
(torque control range: -100% to 100%)
Parameter Setting
0: V/f constant
1: Variable torque
2: Automatic torque boost
3: Vector control 1
4: Energy savings
5: Dynamic energy savings (for fan and pump)
6: PM motor control
7: V/f 5-point setting
8: -
9: Vector control 2 (speed / torque)
10: PG feedback control
11: PG feedback vector control (speed / torque)
12: PG feedback PM motor control (speed / torque)
3-1
II
III
Setting at
10
Shipment
11
12
13
0
14
15
16
17
18
3. Functional Description
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