Download User`s Manual - Minarik Drives

250-0246r2_readers.qxd
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6/7/01
10:51 AM
Page 12
Installation
Power lead connections
Connect the AC line power leads to TB501 terminals L1 and L2,
or to a double-throw, single-pole master power switch
(recommended).
Dynamic brake resistor connections
If you plan to use dynamic braking to stop the motor, you must
connect a dynamic brake resistor across the DB+ and DBterminals on the PCB as shown in Figure 3.
The dynamic brake resistor reduces the voltage across the bus
capacitors (C503 and C504) when they reach their maximum
voltage rating. This occurs when the motor regenerates voltage
back to the drive. Bus capacitor maximum voltage ratings are 400
VDC for 240 VAC drives, and 200 VDC for 115 VAC drives.
For more information on dynamic braking, as well as selecting
dynamic brake resistor values, refer to the Dynamic Braking
section on page 23.