4. After the brake release signal is input (brake is released), the inverter waits for the time set at
Acceleration Wait Time on Brake Control (E181), and performs acceleration again up to the set
frequency
.
At deceleration
1. When the RUN command turns OFF, the inverter decelerates to the Brake Control Brake-ap-
plied Frequency (J71), waits for the time set at Brake Control Brake-applied Timer (J72), and
turns OFF the brake release signal (E20, E21, E27 = 57: BRK).
2. After the brake release signal is turned OFF, the inverter waits for the brake confirmation signal
(E01 to E05, E98, E99 = 65: BOK) for the time set at Brake Error Detection Time (H180) to turn
OFF.
If the brake confirmation signal does not turn OFF within the time set at H180, the inverter out-
puts the brake error signal (E20, E21, E27 = 182: BER) and detects the brake error (Er6).
3. After the brake confirmation signal turns OFF (after applying the brake), when the inverter ar-
rives at the stop frequency, it waits for the time set at 1st Stop Frequency Holding Time (F39)
and decelerates again to an output frequency of 0 Hz.
6-9-2
Brake Control Function Settings
To enable the brake control function, allocate “57: BRK (brake release)” to the multifunction output ter-
minal.
The brake control function can be used independently of the 1st Drive Control Selection (F42)/2nd
Drive Control Selection (A14) setting.
In the 3G3M1 Series, you can combine this function with the position control.
For details on how to combine this function with position control, refer to 6-7-15
Brake Control during
Position Control on page 6-58.
•
Allocate the following output to Output Terminal [DO1] Function Selection (E20), Output Terminal
[DO2] Function Selection (E21) or Output Terminal [ROA, ROB] Function Selection (E27).
Brake control output : “57: BRK (brake release)”
Brake error output : “182: BER (brake error)”
• As required, allocate “65: BOK (brake confirmation)” to Input Terminal [DI1] Function Selection to In-
put Terminal [DI7] Function Selection (E01 to E05, E98, E99) to use this function.
• According to your system, set the parameters used for the operation sequence.
•
To generate high torque at startup, it is recommended to use the torque bias function. For details on
the torque bias function, refer to 6-6-2 Torque Bias Function Settings on page 6-33.
• Set a frequency higher than Brake Control Brake-release Frequency (J69). If the set frequency is
equal to or lower than the J69 value, the inverter will detect an overload because the brake cannot
be released.
Parameter
No.
Function name Data Default data Unit
J70
Brake Control Brake-release
Timer
0.000 to 5.000 1.000 s
E181
Acceleration W
ait Time on
Brake Control
0.00 to 5.00 0.00 s
F39
1st Stop Frequency Holding
Time
0.00 to 10.00 0.00 s
6 Vector Control and Applied Functions
6-76
M1 Series Standard Type User's Manual (I669)
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