Heat Sink Overheat Warning - Hitachi WJ200 Series Instruction Manual

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 Terminal
Code Symbol
42
OHF
Valid for inputs:
Required settings
Notes:
Function Name State
Heat sink overheat
warning
11, 12, AL0 – AL2
C064
ON
Heat sink temperature exceeds the
OFF
Heat sink temperature does not exceed the
level
Example for terminal [11] (default output
configuration shown – see
Inverter output
terminal circuit
Example for terminal [AL0], [AL1], [AL2] (requires
output configuration – see
Inverter logic
circuit board
AL0
Power
supply
See I/O specs on
Description
C064 set level
page 3-90):
OHF
CM2 11
RY
page 4-52 and 3-90):
OHF
AL1 AL2
Load
page 4-6
C064 set