Chapter 7 Explanation of Functions
7 - 76
7.8.22 Frequency command source (FREF)
This function outputs a signal when the (A001 = 02). However, this function is disabled when the second
control mode.
The rest of the time (A001 = 02) the signal is turned OFF.
Item Function code Data Description
Terminal [11] functions C021
58 FREF：Frequency reference
Alarm relay terminal function C026
7.8.23 RUN command source (REF)
This function outputs a signal when the (A002 = 02). However, this function is disabled when the second
control mode.
The rest of the time (A002 = 02) the signal is turned OFF.
Item Function code Data Description
Terminal [11] functions C021
59 REF：Run reference
Alarm relay terminal function C026
7.8.24 2nd Motor in operation (SETM)
When SET terminal of intelligent input is ON, it output signal.
Item Function code Data Description
Terminal [11] functions C021
60 SETM：2
nd
motor in operation
Alarm relay terminal function C026
7.8.25 Ground fault detection [C155]
When the power is turned on, then select whether to ground fault detection.
Ground fault detection might be detected when the power is turned while the motor is rotating.
Item Function code Data Description
Ground fault detection C155 00,01 00：OFF、01：ON
7.8.26 Out phase loss detection [C157]
This function is to choose whether to perform output phase loss detection.
This function works when the output frequency for not less than 5Hz but not more than 100Hz.
In some cases depending on the state of the output current is low or not detected, this function dosen’t
work. In addition, this function may be detected when hunting.
Item Function code Data Description
Out phase loss detection C157 00,01 00：OFF、01：ON
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