5.4 Details of Function Codes
5-230
Table 5.4-158
Function
Code
Name Setting Range Remarks
J71
Brake-ON
frequency/speed
0.0 to 25.0 Hz
J72
Brake-ON timer 0.0 to 5.0 s
J96
Operation selection
Speed detection/speed command
selection (bit 0)
0: Speed detection value
1: Speed command value
Available only under vector control.
It selects the speed data that is used for
the braking judgment.
When controlling the vector without a
speed sensor, select "1: Speed command
value."
Applied frequency selection (bit 3)
0: Stop frequency (F25)
1: Braking frequency (J71)
Available only under vector control
Selects the braking frequency.
When the braking judgment speed is the
speed detection value and when the
applied frequency is the stop frequency
(F25), the brake may be applied by the
speed error after the stop frequency
continuation. When braking is absolutely
necessary during the stop frequency
continuation, use the brake application
frequency (J71) for judgment as the load
frequency.
Load condition selection (bit 4)
0: Operation command OFF invalid
1: Operation command OFF valid
Available only under vector control.
Selection is possible from two patterns,
which the brake signal is output regardless
of the operation command, and which that
the brake signal is output only when the
operation command is off.
When the reversed operation is executed,
there are cases that the braking condition
is satisfied at the vicinity of speed zero. In
this case, select "1: Operation command
OFF valid."
- Brake-on frequency selection (bit 3): 1 (Brake-on frequency) time chart
Fig. 5.4-112
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