A1 – AMP-430x0 (-D3040,-D3020)
Description
The AMP-43040 resides inside the DMC-40x0 enclosure and contains four transconductance, PWM amplifiers for
driving brushless or brush-type servo motors. Each amplifier drives motors operating at up to 7 Amps continuous,
10 Amps peak, 20–80 VDC. The gain settings of the amplifier are user-programmable at 0.4 Amp/Volt, 0.7 Amp/Volt
and 1 Amp/Volt. The switching frequency is 60 kHz. The drive for each axis is software configurable to operate in
either a chopper or inverter mode. The chopper mode is intended for operating low inductance motors. The
amplifier offers protection for over-voltage, under-voltage, over-current, short-circuit and over-temperature. Two
AMP-43040s can be used in 5- thru 8-axis controllers. A shunt regulator option is available. A two-axis version, the
AMP-43020 is also available. If higher voltages are required, please contact Galil.
Note: Do not “hot swap” the motor power or supply voltage power input connections. If the amp is enabled when
the motor connector is connected or disconnected, damage to the amplifier can occur. Galil recommends
powering the controller and amplifier down before changing the connector, and breaking the AC side of the power
supply connection in order to power down the amplifier. The ELO input may be used to cut power to the motors in
an Emergency Stop or Abort situation.
Figure A1.1: DMC-4040-C012-I000-D3040(DMC-4040 with AMP-43040)
A1 – AMP-430x0 (-D3040,-D3020) ▫ 213 DMC-40x0 User Manual
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