Braking Resistor Unit (10% Duty Cycle) Installation
IMPORTANT
Since the Braking Resistor Unit generates heat during the
dynamic braking operation, install it in a location away from
other equipment which emits heat.
1.
Mount the Braking Resistor Unit on a vertical surface,
maintaining minimum 1.18 inch (30 mm) clearance on each
side and 5.91 inch (150 mm) clearance top and bottom.
2.
Open the Braking Resistor Unit terminal box to acess its
terminal block. Connect the Braking Resistor Unit to the drive
and external control circuit according to Table A1-2 and Figure
A1-2.
Table A1-2 Wire Sizing For Braking Resistor Unit
Terminals
B, P
1, 2 *
Lead Size (AWG)
12-10
18-14 *
Lead Type
600V etheylene propylene
rubber insulated, or equivalent
Terminal Screw
M4
* Power leads for the Braking Resistor Unit generate high levels of
electrical noise; these signal leads must be grouped separately.
3.
Close and secure the cover of the Braking Resistor
Resistor Unit terminal box. Reinstall the GPD 333 access
cover.
4.
Proceed to "ADJUSTMENTS" on page 61.
60
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