DMC-21x3 Accessories Chapter 1 Overview• 5
Chapter 1 Overview
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Introduction
Galil’s DMC-21x3 series motion controllers connect with daughterboard modules that mount directly
on the motion controller. This eliminates the need for a separate cable between the motion controller
and the amplifier or breakout module. This approach saves the cost of the cable and significantly
reduces the real estate required for the controls within a system.
The DMC-21x3 uses a rugged 96 pin DIN board-to-board connector to interface the daughter boards
with the motion controller. The same controller can be ordered with different modules for different
system requirements. This controller series supports modules ranging from passive breakout modules
to 500W-per-channel brush and brushless servo drives to stepper and microstepper drives. Each
module breaks out the I/O provided by the controller and some of the boards also provide additional
I/O functions such as analog inputs or optoisolation. If you do not find the exact module you are
looking for, please contact Galil at 800-377-6329. We will work closely with you to create a module
that will fit your needs.
DC to DC Option
The DMC-21x3 series controllers can be ordered with an optional DC-to-DC converter so that a single DC
power supply can be used to power the controller (as opposed to the standard 5 V and +/-12 V input). This
can be ordered as either the –DC24 (18-36 VDC range) or –DC48 (36-72 VDC range). With the DC
option, a 4-pin molex power connector is provided for DC supply to controller at J99.
Pinout
J99 4-Pin Molex
1 Earth (optional)
2 No connection
3
V
in
(18-36 or 36-72 VDC)
4 GND
Mating connector = AMP #770 849-4
Pins = AMP #770 476-1
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