Drive Derating Data; Drive Derating Data; Temperature Derating - Omron J1000 User Manual

A.6 Drive Derating Data
A.6 Drive Derating Data
The drive can be operated at above rated temperature, altitude and default carrier frequency by derating the drive capacity.
u

Temperature Derating

As the ambient temperature for the drive is increased above the drive specification the drive should be derated. Additionally
parameter L8-35 Installation Method Selection on page
as illustrated in Figure A.1
n Output Current Derating Due to Ambient Temperature
If the ambient temperature is above the drive specification or if drives are side-by-side mounted in a cabinet, the parameters
L8-12 and L8-35 must be set according to the installation conditions. The output current is derated as shown in
A.1.
No. Name
Ambient
L8-12
Temperature Setting
Installation Method
L8-35
Selection
168
on page 168.
Adjust the drive overload (oL2) protection level when the drive is installed
in an environment that exceeds its ambient temperature rating.
0: IP20/Open-Chassis Drive
1: Side-by-Side Mounting
2: NEMA Type 1 Drive
3: Finless Drive or External Heatsink Installation
100%
85%
80%
70%
Drive
Rating
50%
0
Figure A.1 Ambient Temperature and Installation Method Derating
168 should be set according to enclosure type and mounting method
Description
Parameter L8-35 = 0 (IP20/Open-Chassis Drive)
Parameter L8-35 = 3
(Finless Drive or External
Heatsink Installation)
Parameter L8-35 = 1
(Side-by-side Mounting)
Ambient tem p C
o Parameter L8-12
o o o
30 35 40 50
-10 to 50
Parameter L8-35 = 2
(NEMA Type 1 Drive)
SIEP C710606 33A OYMC AC Drive – J1000 User Manual
Figure
Range Def.
30 °C
0 to 3 0