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BD30A Series
B-18
DESCRIPTION: The BD30A Series PWM servo amplifiers are designed to drive brushless DC motors at a high switching
frequency.
They are fully protected against over-voltage, over-current, over-heating and short-circuits. All models
interface with digital controllers that have a digital PWM output. PWM IN determines the output duty cycle. DIR IN
determines the direction of rotation. A single red/green LED indicates operating status. The current limit can be set by
DIP switches.
SPECIFICATIONS:
MODELS
POWER STAGE SPECIFICATIONS
BD30A8
BD25A20
DC SUPPLY VOLTAGE
20 - 80 V
40 - 190 V
PEAK CURRENT (2 sec. max., internally limited)
± 30 A
± 25 A
MAX. CONTINUOUS CURRENT (internally limited)
± 15 A
± 12.5 A
MINIMUM LOAD INDUCTANCE*
200 µH
250 µH
SWITCHING FREQUENCY
5 - 20 kHz ±15%
HEATSINK (BASE) TEMPERATURE RANGE
0
o to +65o C, disables if > 65o C
POWER DISSIPATION AT CONT. CURRENT
60 W
125 W
OVER-VOLTAGE SHUT-DOWN (self reset)
86 V
195 V
MECHANICAL SPECIFICATIONS
POWER CONNECTOR
Screw terminals
SIGNAL CONNECTOR
Molex connector
SIZE
7.35 x 4.40 x 1.00 inches
186.7 x 111.7 x 25.4 mm
WEIGHT
1.5 lb.
0.68 kg
* Low inductance motors require external inductors.