Free Setting - Omron 3G3MX2 User Manual

5-9 Functions Relating to Protections, Warnings and Various Output Signals

Free Setting

Desired electronic thermal characteristics (reduction multiple characteristics) can be set
according to the load for the purpose of protecting the motor.
The setting range is shown below.
Parameter
No.
b015
b017
b019
b016/b018/
b020
Reference
If the rated current value is set to (b016), (b018) and (b020), the reduction multiple becomes
× 1.0.
Reduction
multiple
× 1.0
× 0.8
0
Example) 3-phase 200 V, 1.5 kW (CT rating 8 A)
b012 = 8 (A), b015 = 30 (Hz), b016 = 8 (A)
Since the reduction multiple is 8/8 = 1.0, the trip characteristic at 30 Hz is 60 s at 12 A.
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
Function name
Free-electronic
Thermal 0 to Free-electronic Thermal Frequency 2
Frequency 1
Free-electronic
Free-electronic Thermal Frequency 1 to
Thermal
Free-electronic Thermal Frequency 3
Frequency 2
Free-electronic
Free-electronic Thermal Frequency 2 to
Thermal
Frequency 3
Free-electronic 0.0 to Rated current
Thermal Current Set current values for each break point.
1/2/3
400
3
Inverter output frequency (Hz)
Data
400. (1000.)
Output current
value (A)
b020
b018
b016
0 b015 b017 b019
Default
Unit
setting
0. Hz
0.00 A
A004/A204
Maximum frequency (Hz)
5-112
5