Regenerative Brake Selection And Dc Feeding Mode; Stop Selection - Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual

NOTE
• The stop selection setting is disabled when following functions are operating.
Position control (Pr.419 = "0")
Power failure stop function (Pr.261)
PU stop (Pr.75)
Deceleration stop due to fault definition (Pr.875)
Deceleration stop due to communication error (Pr.502)
Offline auto tuning (with motor rotation)
• When Pr.250 ≠ "9999 or 8888", acceleration/deceleration is performed in accordance to the frequency command until the
output is shut off by turning OFF the start signal.
• When the restart signal is turned ON during the motor coasting, the operation is resumed from Pr.13 Starting frequency.
• Even with the setting of coasting to a stop, when the LX signal is turned ON, the motor does not coast but zero speed control
or servo lock is applied.
Parameters referred to
Pr.7 Acceleration time, Pr.8 Deceleration
Pr.13 Starting frequencypage 363,
Pr.75 Reset selection/disconnected PU detection/PU stop
Pr.261 Power failure stop selectionpage 610
Pr.419 Position command source selectionpage 284
Pr.502 Stop mode selection at communication
Pr.875 Fault definitionpage 401
5.16.11 Regenerative brake selection and DC feeding
mode
• When performing frequent start and stop operation, usage rate of the regenerative brake can be increased by using the
optional high-duty brake resistor (FR-ABR) or the brake unit (FR-BU2, BU, or FR-BU).
• The power regeneration common converter (FR-CV) or power regeneration converter (MT-RC) is used for the continuous
operation during regenerative driving. The high power factor converter (FR-HC2) can be used also to reduce harmonics,
improve power factor, and operate continuously during regenerative driving.
• It is possible to choose between the DC feeding mode 1, which will operate with DC power supply (terminals P and N), and
DC feeding mode 2, which will normally operate in AC power supply (terminals R, S, and T) and operate in DC power
supply (terminal P and N), such as batteries, at the time of power failure.
• While the power is supplied only to the control circuit, the reset operation when the power is supplied to the main circuit
can be selected.
Pr. Name
30 Regenerative function
E300 selection
70
Special regenerative
*4
brake duty
G107
599 X10 terminal input
T721 selection
*1 The initial value or setting range for the standard model.
*2 The initial value or setting range for the separated converter type.
*3 The initial value or setting range for the IP55 compatible model.
*4 The setting is available for the standard model.
timepage 349
page 364
selectionpage 320
errorpage 630
Initial
Setting range
value
0 to 2, 10, 11,
20, 21, 100 to
102, 110, 111,
*1
120, 121
*1*3
0 , Set the applied regeneration unit, the terminal used for power supply, and
2, 10, 11, 102,
whether to reset the inverter when the power is supplied to the main circuit.
*2
10
*2
110, 111
0, 2, 10, 20,
100, 102, 110,
*3
120
0% 0 to 100% Set the %ED of the built-in brake transistor operation.
0 Normally open input
*1*3
0 ,
*2
1 Normally closed input (NC contact input specification)
1
Description
5. PARAMETERS
5.16 (G) Control parameters
1
2
3
4
5
6
7
8
9
10
689