9.2 Details of Function Codes
9-59
Chap. 9 FUNCTION CODES
The table below lists functions that can be assigned to terminals [Y1] and [30A/B/C].
To make the explanations simpler, the examples shown below are all written for the normal
logic (Active ON.)
Function code data
Active ON Active OFF
Functions assigned Symbol
0 1000 Inverter running RUN
1 1001 Frequency arrival signal FAR
2 1002 Frequency detected FDT
3 1003 Undervoltage detected (Inverter stopped) LU
5 1005 Inverter output limiting IOL
6 1006 Auto-restarting after momentary power failure IPF
7 1007 Motor overload early warning OL
26 1026 Auto-resetting TRY
30 1030 Service lifetime alarm LIFE
35 1035 Inverter running 2 RUN2
36 1036 Overload prevention control OLP
37 1037 Current detected ID
38 1038 Current detected 2 ID2
41 1041 Low current detected IDL
43 1043 Under PID control PID-CTL
44 1044 Motor stopped due to slow flowrate under PID
control
PID-STP
49 1049 Switched to motor 2 SWM2
56 1056 Motor overheat detected by thermistor (PTC) THM
57 1057 Brake signal BRKS
59 1059 Terminal [C1] wire break C1OFF
84 1084 Maintenance timer MNT
87 1087 Frequency arrival detected FARFDT
99 1099 Alarm output (for any alarm) ALM
Inverter running -- RUN
(Function code data = 0)
This output signal tells the external equipment that the inverter is running at a starting
frequency or higher. It comes ON when the output frequency exceeds the starting frequency,
and it goes OFF when it is less than the stop frequency. It is also OFF when the DC braking is
in operation.
If this signal is assigned in negative logic (Active OFF), it can be used as a signal indicating
"Inverter being stopped."
Frequency arrival signal -- FAR
(Function code data = 1)
This output signal comes ON when the difference between the output frequency and
reference frequency comes within the frequency arrival hysteresis width specified by E30.
(Refer to the description of E30.)
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