Yaskawa CIMR-UU4A0216F [439/644] Temperature derating

Yaskawa CIMR-UU4A0096A [439/644] Temperature derating
100%
90%
80%
70%
4 kHz 6 kHz 8 kHz 10 kHz
0
Figure A.1 Carrier Frequency Derating
u
Temperature Derating
To ensure the
maximum performance life, the drive output current must be derated as shown in Figure A.2 when the drive is
installed in areas with high ambient temperature. Set parameters L8-12 and L8-35 according to the installation conditions to
ensure reliable drive overload protection.
n
Parameter Settings
No. Name Description Range Default
L8-12
Ambient
Temperature Setting
Adjust the drive overload (oL2) protection level when the drive is installed
in an environment that exceeds its ambient temperature rating.
-10 to +50 +40 °C
L8-35
Installation Method
Selection
0: IP00/Open-Chassis Enclosure
2: IP20/NEMA Type 1 Enclosure
3: Finless Drive or External Heatsink Installation
0, 2, 3
Det. by
o2-04
Setting 0: IP00/Open-Chassis Enclosure
Drive operation between -10 °C and +50 °C allows 100% continuous current without derating.
Setting 2: IP20/NEMA Type 1 Enclosure
Drive operation between
-10 °C and +40 °C allows 100% continuous current without derating. Operation between +40 °C and
+50 °C requires output current derating.
Setting 3: External Heatsink Installation, Finless Drive
Drive operation between -10 °C and +40 °C allows 100% continuous current without derating. Operation between +40 °C and
+50 °C requires output current derating.
100
85
70
55
0
L8-35=2: NEMA Type 1 Enclosure
L8-35=3: External Heatsink lnstallation
L8-35=0: IP00 Enclosure
30
-10
40
50
Drive Rating
(%)
L8-12
(Ambient temp: °C)
Figure A.2 Ambient Temperature and Installation Method Derating
u
Altitude Derating
The drive standard
ratings are valid for installation altitudes up to 1000 m. For installations from 1000 m to 3000 m, the drive
rated voltage and the rated output current must be derated for 1% per 100 m.
A.5 Drive Derating Data
YASKAWA ELECTRIC SIEP C710636 04C U1000 Industrial MATRIX Drive Technical Manual
439
A
Specifications

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