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Brake Sequence (pr. 60, Pr. 278 To Pr. 285); Brake Sequence Function (pr. 60, Pr. 278 To Pr. 285) - Mitsubishi Electric FR-V560 Instruction Manual

Vector inverter.
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Brake sequence (Pr. 60, Pr. 278 to Pr. 285)

4.10 Brake sequence (Pr. 60, Pr. 278 to Pr. 285)
4.10.1 Brake sequence function (Pr. 60, Pr. 278 to Pr. 285
The inverter automatically sets appropriate parameters for operation.
This function is used to output from the inverter the mechanical brake opening completion signal timing signal
in vertical lift and other applications.
This function prevents the load from dropping with gravity at a start due to the operation timing error of the
mechanical brake or an overcurrent alarm from occurring at a stop, ensuring secure operation.
POINT
Set "7" or "8" in Pr. 60.
Set any of "0, 2, 4, 10, 12" in Pr. 800 "control system selection" under external operation and set speed control.
(Refer to page 182)
Parameter
60
Intelligent mode selection
278
Brake opening speed
279
Brake opening current
280
Brake opening current detection time
281
Brake operation time at start
282
Brake operation speed
283
Brake operation time at stop
284
Deceleration detection function selection
285
Overspeed detection speed
CAUTION
When brake sequence mode is selected, automatic restart after instantaneous power failure is invalid.
(1) Wiring example
Sink logic
Pr.183=15
Pr.190=20
Power supply
Brake opening completion signal
CAUTION
The input signal terminal used differs according to the parameter settings. (Refer to page 120.)
Name
NFB
Start signal
Multi-speed signal
MC
(BRI signal)
Factory
Setting Range
Setting
0
20r/min
0 to 900r/min
%
130
0 to 200
0.3s
0.3s
25r/min
0 to 900r/min
0.3s
0
9999
0 to 900r/min, 9999
MC
Mechanical
brake
R
U
S
V
Motor
T
W
STF
24VDC
DI3
Brake opening request signal (BOF signal)
(Caution)
*
* Note the permissible current of the inverter's
MC
DO1
DI4
(Caution)
SD
SE
118
with
with
without
without
Encoder
Encoder
Encoder
Encoder
)
Speed
Speed
Remarks
0, 7, 8
%
0 to 2s
Extended mode
0 to 5s
0 to 5s
0, 1
internal transistor.
(24VDC 0.1A)

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