7 Detailed Functions
7 - 134
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• Use this signal to determines the life expectancy of the capacitor on the option board based on the
inverter’s internal temperature and conduction time.
• The status of this signal can be monitored in the Life Assessment Monitor (d022).
• Set the Multi-function Output P1 to P5 Selection (C021 to C025) or Multi-function Relay Output (MA,
MB) Function Selection (C026) to 39 (WAC) to allocate the desired signal.
• This signal will be output when the rotation speed of the inverter’s built-in cooling fan decreases to
75% or less.
• Set the Multi-function Output P1 to P5 Selection (C021 to C025) or Multi-function Relay Output (MA,
MB) Function Selection (C026) to 40 (WAF) to allocate the desired signal.
• When the Cooling Fan Operation (b092) is set to 01 (Enabled only during RUN (including 5 minutes
after power on/stop)), this signal will not be output while the fan is stopped.
• If this signal is output, check the cooling fan for clogging etc.
• The status of this signal can be monitored in the Life Assessment Monitor (d022).
Capacitor Life Warning Signal (WAC)
Parameter No. Function name Data Default data Unit
C021 to C025
Multi-function Output P1
to P5 Selection
39: WAC (Capacitor life warning
signal)
–
–
C026
Multi-function Relay
Output (MA, MB)
Function Selection
05
Cooling Fan Life Warning Signal (WAF)
Parameter No. Function name Data Default data Unit
C021 to C025
Multi-function Output P1
to P5 Selection
40: WAF (Cooling fan life warning
signal)
–
–
C026
Multi-function Relay
Output
(MA, MB) Function
Selection
05
Related functions b092, d022
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