Steps for setting up the braking unit
b 1
Steps 1 to 4 must
be performed
with the power
off
26
Take delivery of the braking unit
v Check that the catalog number printed on the label is the same
as that on the purchase order.
v Remove the braking unit from its packaging and check that it has
not been damaged in transit.
b 2
Check the line voltage
v Check that the line voltage is compatible with the
voltage range of the braking unit (see page 28).
b 3
Install the braking unit
v Install the braking unit before mounting the DC
choke chassis on the drive, taking care to follow
the installation instructions described in this
document.
b 4
b 5
Wire the braking unit
v Connect power terminals BU- and BU+ on
the braking unit to the drive.
v Connect the control cables.
Set the braking parameters on the drive
v Set the parameter to inhibit automatic
adaptation of the deceleration ramp
[Dec ramp adapt.]
v Set the parameters necessary for
protecting the braking resistor:
[DB RES. PROTECTION]
v See the recommendations on page
the Programming Manual.
(bra)
(brP-)
38
1757084 11/2009
and