Cooling Fin Overheat Warning Signal (Ohf) - Omron RX2 Series User Manual

8-6-10 Cooling Fin Overheat Warning Signal (OHF)

This signal is output when the output current falls to or below the Low Current Detection Level (CE102).
Assign the output terminal function 032 [OHF] cooling fin heating prewarning signal to one of [CC-01] to
[CC-07] that corresponds to the output terminal and output the signal.
You can understand the state from the signal before the temperature error [E021] is generated by the
cooling fin heating prewarning level function.
Precautions for Correct Use
The temperature error [E021] is generated when the cooling fin temperature exceeds 120°C.
Operation Example
Output current
Fin temperature
Output signal
[OHF]
 Parameter
Item
Output terminal func-
tion selection 11-15
Relay output terminal
function selection
16A-16C
Relay output terminal
function selection
AL1-AL0/AL2-AL0
Cooling FAN over-heat
warning level
High-function General-purpose Inverter RX2 Series User's Manual
[CE-34]
Parameter Data
[CC-01] to
[CC-05]
[CC-06]
032
[CC-07]
[CE-34] 0 to 200(°C)
ON
Description
The cooling fin heating prewarning signal
[OHF] is output.
OFF: Fin temperature is lower than the pre-
warning level.
ON: Fin temperature is equal to or higher
than the prewarning level.
The signal [OHF] is turned on when the
cooling fin temperature is equal to or higher
than the set level.
8 Applied Settings
Default
data
-
120
8 - 135
8