115
Motor brake and stop operation
(4) Regenerative brake duty alarm output and alarm (RBP) signal
100%: regenerative overvoltage protection operation value
[RB] appears on the operation panel and an alarm
(RBP) signal is output when 85% of the regenerative
brake duty set in
Pr. 70
is reached. If the regenerative
brake duty reaches 100% of the
Pr. 70
setting, a
regenerative overvoltage (E.OV1 to E.OV3) occurs.
Note that [RB] is not displayed when
Pr. 30
= "0".
The drive unit does not trip even when the alarm (RBP)
signal is output.
For the terminal used for the RBP signal output, assign
the function by setting "7 (positive logic) or 107
(negative logic)" in
Pr. 190
or
Pr. 192 (output terminal
function selection)
.
REMARKS
The MRS signal can also be used instead of the X10 signal.
Refer to
page 27
to
for connecting the brake resistor (MRS type, MYS type), high-duty brake resistor (FR-ABR), brake unit
(FR-BU2), high power factor converter (FR-HC2), and power regeneration common converter (FR-CV).
NOTE
When terminal assignment is changed using
Pr. 178 to Pr. 182 (input terminal function selection)
and
Pr. 190, Pr. 192 (output
terminal function selection)
, the other functions may be affected. Set parameters after confirming the function of each
terminal.
WARNING
The value set in
Pr. 70
must not exceed the setting of the brake resistor used.
Otherwise, the resistor can overheat.
Parameters referred to
Pr. 178 to Pr. 182 (input terminal function selection)
Pr. 190, Pr. 192 (output terminal function selection)
Regenerative brake
pre-alarm (RBP)
Time
ON
ON
OFF
100
85
Ratio of the brake
duty to the
Pr. 70
setting (%)
Summary of Contents for FR-D720-0.2K-G
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