H78: Operating Method Select When Cooling Fan Malfunctions
Range: 0 - 1 (Default: 0)
Description: This parameter configures what action is taken, if any, when the drive
senses the loss of one of its cooling fans (either external or internal). The
following functions may be assigned:
Display:
Function:
0 Continuous operation when cooling fan malfunctions.
1 Operation stopped when cooling fan malfunctions.
•
Select 0 or 1 in H78 code.
•
If H78 code is set to 0 (continuous operation), alarm can be output in I54
or I55.
0 - Continuous operation when cooling fan trip occurs:
Operation is not stopped regardless of loss of cooling fan.
When I54 or I55 is set to 18 (cooling fan fault alarm), fault alarm signal can
be output using Multi-function output terminal or Multi-function relay.
1 - Operation stopped at cooling fan fault:
When cooling fan fault occurs, "FAn" message is displayed on the LED and
operation is stopped.
If I54 or I55 is set to 17(Fault output), fault message is displayed.
H79: S/W Version
Range: 0-10.0 (Default:1.0)
Description: This parameter displays the drive software version.
106
6 - Parameter Descriptions
If operation is continued after cooling fan trip occurs,
Overheat trip may occur. It also reduces the life of main
components due to a rise in the drive internal temperature.
CAUTION
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