Mitsubishi FR-A800

(G) Control parameters
614
PARAMETERS
5.16.10 Regenerative brake selection and DC feeding
mode
 The initial value or setting range for the standard model
 The initial value or setting range for the separated converter type.
 The initial value or setting range for the IP55 compatible model
 Available only with the standard model
• 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, FR-BU).
• When using continuously in regenerative condition, use the power regeneration common converter (FR-CV) or
power regeneration converter (MT-RC). The high power factor converter (FR-HC2) can be used also to reduce
harmonics, improve power factor, and operate continuously in the regenerative status.
• 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
Initial
value
Setting range Description
30
E300
Regenerative
function selection
0, 
10
0 to 2, 10, 11, 20,
21, 100 to 102,
110, 111, 120,
121

First digit: Regeneration unit selection ("0" for built-in brake, "1"
for high-duty brake resistor, "2" for FR-HC2 or FR-CV)
Second digit: Selection of the power supply terminal to the
inverter ("0" for AC, "1" for DC, "2" for AC and DC)
Third digit: Reset when the power is supplied to the main circuit
("0" for reset, "1" for no reset)
For details, refer to the table below.
2, 10, 11, 102,
110, 111

0, 2, 10, 20, 100,
102, 110, 120

70
G107

Special regenerative
brake duty
0% 0 to 100% Set the %ED of the built-in brake transistor operation.
599
T721
X10 terminal input
selection
0, 
1
0 Normally open input
1 Normally closed input (NC contact input specification)