Example 2)
H
Tdec
TdecTsteady TaccTsteady
76
12
100=
+++
´
_
__ __
[%]
H77: Cooling Fan Control
Range: 0 - 1 (Default: 0)
Description: This parameter determines the operation of the drives cooling fans.
Display:
Function:
0 Always ON
1 Keeps ON when its temp is higher than drive protection
limit temp. Activated only during operation when its temp
is below that of drive protection limit.
When it is set to 0:
•
Cooling fan begins to operate when power is ON.
•
Cooling fan is stopped when drive main circuit voltage becomes low
voltage due to power off.
When it is set to 1:
•
Cooling fan begins to operate when power is turned ON with a run
command.
•
Cooling fan is stopped when power is Off.
•
Cooling fan keeps operating when the heat sink temperature exceeds a
certain limit regardless of the run fan command.
•
Used when frequent Run/Stop or quiet stop is required. This may extend
the cooling fan life.
105
6 - Parameter Descriptions
Freq.
T_dec
T_acc
T_steady1
T_steady2
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