Delta VFD-E User Manual

Chapter 4 Parameters|
4-120 Revision Jan. 2009, 06EE, SW--PW V1.12/CTL V2.12
 Related parameters: Pr.01.01(Maximum Voltage Frequency (Fbase) (Motor 0)),
Pr.01.02(Maximum Output Voltage (Vmax) (Motor 0)), Pr.07.00(Motor Rated Current (Motor
0)), Pr.07.01(Motor No-Load Current (Motor 0)), Pr.07.05(Motor Line-to-line Resistance R1
(Motor 0)) and Pr.07.06(Motor Rated Slip (Motor 0))
NOTE
1. In vector control mode it is not recommended to have motors run in parallel.
2. It is not recommended to use vector control mode if motor rated power exceeds the rated power of
the AC motor drive.
07.05 Motor Line-to-line Resistance R1 (Motor 0) Unit: 1
Settings
0 to 65535 mΩ
Factory Setting: 0
 The motor auto tune procedure will set this parameter. The user may also set this parameter
without using Pr.07.04.
07.06 Motor Rated Slip (Motor 0) Unit: 0.01
Settings 0.00 to 20.00Hz Factory Setting: 3.00
 It can be used to set the motor rated slip. Users need to input the actual rated rpm shown on
the nameplate of the motor.
 Refer to the rated rpm and the number of poles on the nameplate of the motor and use the
following equation to calculate the rated slip.
Rated Slip (Hz) = F
base
(Pr.01.01 base frequency) – (rated rpm x motor pole/120)
Example: Assume that the rated frequency of the motor is 60Hz with 4 poles and the rated rpm
is 1650rpm. The rated slip calculated by the formula should be 60Hz-(1650X4/120)=5Hz.
 This parameter has relation with Pr.07.03(Slip Compensation (Used without PG) (Motor 0)). To
get the best slip compensation effect, it needs to input the correct setting. The incorrect setting
may cause the invalid function and even damage the motor and drive.
 Related parameter: Pr.07.03(Slip Compensation (Used without PG) (Motor 0))
07.07 Slip Compensation Limit Unit: 1
Settings 0 to 250% Factory Setting: 200
 This parameter sets the upper limit of the compensation frequency (the percentage of
Pr.07.06).

Delta VFD-E Specifications

General

Protection Features	IP20
Enclosure Rating	IP20
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Control Mode	V/F, Sensorless Vector
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Operating Temperature	-10°C to +50°C
Analog Inputs	2 (0-10V, 4-20mA)
Analog Outputs	1 (0-10V)
Communication Interface	RS-485
Output Voltage	3-phase, equal to input voltage
Power Range	0.4kW to 7.5 kW
Storage Temperature	-20°C to +60°C
Humidity	90% RH (non-condensing)
Cooling Method	Fan cooled
Digital Outputs	1 relay output