Using Intelligent Output Terminals
Operations
and Monitoring
4–46
Run Time /
Power-On Time
Over Signals
L300P Series inverters accumulate the total hours in Run Mode (run time) and the total hours of
power-ON time. You can set thresholds for these accumulating timers. Once the threshold is
exceeded, an output terminal will turn ON. One use of this is for preventative maintenance. A
signal light or audible alert could signal the need for servicing, calibration, etc.
Opt.
Code
Symbol Function Name
Output
State
Description
11 RNT Run Time Over ON when the accumulated time spent in Run
Mode exceeds the limit (B034)
OFF when the accumulated time in Run Mode
is still less than the limit (B034)
12 ONT Power-ON Time
Over
ON when the accumulated power-ON time
exceeds the limit (B034)
OFF when the accumulated power-ON time is
less than the limit (B034)
Val id for
outputs:
11, 12, AL0 – AL2
Required
settings:
B034
Notes:
• The two outputs [RNT] and [ONT] share the
same time threshold parameter, B040.
Typically, you will use either the [RNT] or the
[ONT] output only—not both at once.
• These outputs are useful for the notification
that a preventative maintenance interval has
expired.
See I/O specs on page 4–8.
Inverter output terminal circuit
12C 12A 11C 11A
+
–
24VDC
L
Example: (Requires output configuration
see page 3–48.)
RNT or
ONT
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