5.4 Details of Function Codes
5-145
Details of
Function Codes
F codes
E20 to E27
C codes
P codes
H codes
A codes
b codes
r codes
J codes
d codes
U codes
y codes
Chapter 5 Function Code
The ON signal is output when the inverter is executing the following limitation operation. (Minimum output
signal width: 100 ms). The IOL2 signal turns on the limiting operation continues for 20 ms or longer.
- Torque limiting operation (F40, F41, E16, E17, internal maximum value)
- Current limiting by software (F43 and F44)
- Current limiting by hardware (H12 = 1)
- Regenerative avoidance control (H69)
When the inverter output limiting IOL signal is on, the output frequency of the inverter is
automatically controlled by the above limiting process, which may cause the frequency value othe
than the set value.
Assignment of power recovery after momentary power failure IPF (Function code data = 6)
During the operation continuation control by the momentary power failure, or while the inverter detects the
undervoltage, blocks output, waits for the completion of power recovery (reaching to the set frequency), the
ON signal is output.
(
Function code F14)
Assignment of motor overload early warning OL (Function code data = 7)
This function is used to preliminarily detects the motor overload (alarm code
0l1
) to take appropriate
preventive measures. (
Function code E34)
Assignment of keypad operation KP (Function code data = 8)
This ON signal is output when the operation command ( , keys) are valid.
Assignment of run preparation output RDY (Function code data = 10)
This ON signal is output when the inverter becomes ready to run by completing hardware preparation such
as initial charging of the main circuit and initialization of the control circuit and no protective functions are
activated.
Assignment of switching between commercial power / inverter operation SW88, SW52-2, and SW52-1
(Function code data = 11, 12, and 13)
By ISW50 or ISW60 commands from external equipment, the magnetic contactor for switching the motor
drive source between the commercial power and the inverter output is controlled according to the integrated
sequence. (
Function code E01 to E09, data = 40, 41)
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