24V – 24V Amplifier Enable Voltage
ICM is configured to be run from an external power supply of 13 -24VDC.
LAEN – Low Amplifier Enable
The controller sets the amplifier enable signal to logic low to enable the drive.
HAEN – High Amplifier Enable
The controller sets the amplifier enable signal to logic high to enable the drive.
SINK – Sinking Amplifier Enable
The amplifier will sink to controller ground with 5V and 12V options or to external supply ground when 24V is
ordered.
Source – Sourcing Amplifier Enable
The amplifier will source the internal 5V, 12V or the external 13-24V DC supply.
AMP/SDM, “-DXXXX(Y)” Internal Amplifier Options
ISAMP – Isolation of power between each AMP amplifier
The ISAMP option separates the power pass-through between the Axes 1-4 amplifier and the Axes 5-8 amplifier.
This allows the 2 internal amplifiers to be powered at separate voltages.
If the ISCNTL option is NOT ordered on the DMC-40x0, the amplifier with the higher bus voltage will automatically
power the controller. The amplifier with the higher voltage, and the voltage level does not have to be specified
during time of purchase as long as the voltage falls within the range of 20-80VDC.
This option is only valid on the 5-8 Axes amplifier board.
Part number ordering example: DMC-4080-C012-I000-I000-D3040-D3040(ISAMP)
SR90 – SR-49000 Shunt Regulator Option
The SR-49000 is a shunt regulator for the DMC-40x0 controller and internal amplifiers. This option is highly
recommended for any application where there is a large inertial load, or a gravitational load. To calculate if your
system requires a Shut Regulator, see Application Note #5448: “Shunt Regulator Operation” linked below:
http://www.galilmc.com/support/appnotes/miscellaneous/note5448.pdf
The SR-49000 is installed inside the box of the DMC-40x0 controller, so it does not effect the form of the unit.
The SR-49000 can be ordered to activate at different voltage levels: 33V, 66V, and 90V. These would be ordered as
-SR33, -SR66, and -SR90 respectively. -SR90 is typically ordered because Galil's internal amplifiers can generally be
powered up to 80VDC. As a functional example, -SR90 shunt regulator activates when the voltage supplied to the
amplifier rises above 90V. When activated, the power from the power supply is dissipated through a 5Ω, 20W
power resistor.
When used a 5-8 axis controller with two internal amplifiers, the -SRn (where n is 33, 66, or 90) option can protect
both internal amplifiers. However, with an -ISAMP (ISAMP – Isolation of power between each AMP amplifier)
option, the -SRn option will only protect the first four axis with internal amplifiers.
Part number ordering example: DMC-4040-C022-I200-I200-D3040-SR90
Appendices ▫ 190 DMC-40x0 User Manual
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