4−78
Heat Sink Overheat Warning
The inverter monitors the temperature of its internal heatsink, and gives out the heat
sink overheat warning signal (OHF) when the temperature exceeds the overheat
warning level (C064).
Option
Code
Terminal
Symbol
Function Name State Description
42
OHF
Heat sink overheat
warning
ON
Heat sink temperature exceeds the C064 set level
OFF
Heat sink temperature does not exceed the C064 set
level
alid for inputs:
11, 12, AL0 – AL2 Example for terminal [11] (default output
configuration shown – see page 3-90):
Example for terminal [AL0], [AL1], [AL2] (requires
output configuration – see page 4-52 and 3-90):
See I/O specs on page 4-6
Required settings
C064
Notes:
RY
Inverter output
terminal circuit
CM2 11
OHF
AL1
Power
supply
Load
AL0 AL2
Inverter logic
circuit board
OHF