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A7 – SDM-440x0 (-D4040,-D4020)
Description
The SDM-44040 resides inside the DMC-40x0 enclosure and contains four drives for operating two-phase bipolar
step motors. The SDM-44040 requires a single 12-30 VDC input. The unit is user-configurable for 1.4 A, 1.0 A, 0.75
A, or 0.5 A per phase and for full-step, half-step, 1/4 step or 1/16 step. A two-axis version, the SDM-44020 is also
available.
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 A6.1: DMC-4040-C012-I000-D4040 (DMC-4040 with SDM-44040)
A7 – SDM-440x0 (-D4040,-D4020) ▫ 247
DMC-40x0 User Manual