Cooling Fan Operation; Cooling Fan Life Signal (Waf) - Omron SYSDRIVE MX2 SERIES User Manual

5-9 Functions Relating to Protections, Warnings and Various Output Signals

Cooling Fan Operation

You can set whether to operate the Inverter's cooling fan constantly or only during Inverter operation.
Parameter
b092
b093
Note 1: If a momentary power interruption occurs or the power is cut off while the cooling fan is operating,
Note 2: Do not clear the total operation time except when the cooling fan is replaced, because doing so
5

Cooling Fan Life Signal (WAF)

Set the ambient temperature in the environment where the Inverter is used, in b075. Estimate
the life of the cooling from the total operation time and set ambient temperature and have a
signal output when the replacement timing arrives.
It is recommended that the cooling fan be checked for clogging, etc. or replaced when this
signal is output.
Life Assessment Monitor (d022) shows the status of this signal.
Parameter
C021 to C022
5-127
Function name
No.
Cooling Fan
Operation
Cooling Fan Total
Operation Time
Clear
the cooling fan stops temporarily and will resume operation automatically once the power
recovers.
will disable the correct Life Assessment Monitor of the cooling fan (d022).
Function name
No.
Ambient
b075
Temperature
Multi-function
Output Terminal
Selection
Multi-function
C026 Relay Output
Function Selection
Related functions
Data
00: Always
01: Only during operation
(However, the cooling fan operates for 5
minutes after power-on, and for 5 minutes
after the Inverter stops.)
02: Depends on the fin temperature
00: Total operation time count
01: Clear total operation time
(After this function is executed, 01 is reset
to 00.)
Data
−10. to 50.
Set the ambient temperature in the use
environment.
40: WAF (Cooling fan life warning
signal)
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
Default
setting
01
00
Default
setting
40.
−
b092, d022
Unit
−
−
Unit
°C
−