Delta VFD-B User Manual

Chapter 5 Parameters|VFD-B Series
5-68 Revision July 2008, BE16, SW V4.08 & V5.00
06 - 06 Electronic Thermal Overload Relay Selection (OL1)
Factory Setting: 02
Settings 00 Operate with a Standard Motor (self-cooled by fan)
01 Operate with a Special Motor (forced external cooling)
02 Operation disabled
 This function is used to protect the motor from overloading or overheating.
06 - 07 Electronic Thermal Characteristic Unit: 1
Settings 30 to 600 sec Factory Setting: 60
 The parameter determines the time required for activating the I
2
t electronic thermal protection
function. The graph below shows I
2
t curves for 150% output power for 1 minute.
1
2
3
4
5
60Hz or more
50Hz
10Hz
5Hz
0
20
40
60
80
100
120
140
160
180 200
Operation
time(min)
Load
factor (%)
06 - 08 Present Fault Record
06 - 09 Second Most Recent Fault Record
06 - 10 Third Most Recent Fault Record
06 - 11 Fourth Recent Fault Record
Factory Setting: 00
Readings 00 No fault
01 Over-current (oc)
02 Over-voltage (ov)
03 Overheat (oH)
04 Overload (oL)
05 Overload1 (oL1)
06 External fault (EF)

Delta VFD-B Specifications

General

Series	VFD-B
Power Range	0.4kW to 15kW
Control Method	V/F Control, Sensorless Vector Control
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Communication	RS-485
Protection Features	Over-voltage, Over-current, Overheat, Under-voltage, Ground fault, Short circuit