Fuji Electric Frenic Mega Series User Manual page 370

Inverter output limiting -- IOL (Function code data = 5)
Inverter output limiting with delay -- IOL2 (Function code data = 22)
The output signal IOL comes ON when the inverter is limiting the output frequency by activating
any of the following actions (minimum width of the output signal: 100 ms). The output signal
IOL2 comes ON when any of the following output limiting operation continues for 20 ms or
more.
• Torque limiting (F40, F41, E16 and E17, Maximum internal value)
• Current limiting by software (F43 and F44)
• Instantaneous overcurrent limiting by hardware (H12 = 1)
• Automatic deceleration (Anti-regenerative control) (H69)
When the IOL is ON, it may mean that the output frequency may have deviated from the
reference frequency because of the limiting functions above.
Auto-restarting after momentary power failure -- IPF (Function code data = 6)
This output signal is ON either during continuous running after a momentary power failure or
during the period from when the inverter detects an undervoltage condition and shuts down its
output until the completion of a restart sequence (until the output reaches the reference
frequency).
Refer to F14.
Motor overload early warning -- OL (Function code data = 7)
This output signal is used to issue a motor overload early warning that enables you to take an
corrective action before the inverter detects a motor overload alarm 0l1 and shuts down its
output.
Refer to E34.
Keypad operation enabled -- KP (Function code data = 8)
This output signal comes ON when the keypad is specified as a run command source.
Inverter ready to run -- RDY (Function code data = 10)
This output signal comes ON when the inverter becomes ready to run by completing hardware
preparation (such as initial charging of DC link bus capacitors and initialization of the control
circuit) and no protective functions are activated.
Switch motor drive source between commercial power and inverter output
-- SW88, SW52-2 and SW52-1 (Function code data = 11, 12, and 13)
Assigning these output signals to transistor output terminals [Y1], [Y2], [Y3] and [Y4] enables
the terminal command ISW50 or ISW60 that controls the magnetic contactor for switching the
motor drive source between the commercial power and the inverter output according to the
integrated sequence.
Refer to E01 through E07 (data = 40 and 41).
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