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L8-12 Ambient Temperature Setting
Setting Range:
113 to 140
o
Factory Default: 113
F (45
Set parameter L8-12 to the temperature
ambient temperature of the Drive 113
allow the user to trade-off lighter drive loading for operation in a higher ambient temperature.
L8-15 OL2 Characteristic Selection at Low Speeds
Setting
0
Disabled
1
Enabled (L8-18 is active) (factory default)
At very low speeds (6 Hz and below) and very high current levels it can be possible to damage output transistors. Therefore
the factory default setting of L8-15 is to shorten the time before an OL2 fault will occur during low speed/high load situations
(L8-15= "1: Enabled").
Run
Command
Heatsink Fan
RUN
Fig. 84 Heatsink Cooling Fan Operation Timing Diagram
o
o
F (45 to 60
C)
o
C)
o
o
F (
C) of the area in which the Drive is mounted. If L8-12 exceeds the actual rated
o
o
F (45
C), the OL2 fault level will be de-rated as shown in the figure below. This will
OL2 Rating
OL2 Fault Level
100%
80%
0
Fig. 85 Ambient Temperature Derating Curve
Description
L8-11
o
o
113
F
140
60
45
C
o
(60
(45
C)
Programming 115
ON (CLOSED)
t
OFF (OPEN)
ON (CLOSED)
t
OFF (OPEN)
TIME
o
Ambient Temp.
o
C
F
o
(L8-12)
C)
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