DMC-21x3 Accessories Chapter 9 AMP-20540/20520• 49
Chapter 9 AMP-20540/20520
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Introduction
The AMP-20540 (four-axis) and AMP-20520 (two-axis) are multi-axis brush/brushless
amplifiers that are capable of handling 500 watts of continuous power per axis. The AMP-
20540/20520 Brushless drive modules are connected to a DMC-21x3 controller via the 96 pin
DIN connector. The standard amplifier accepts DC supply voltages from 18-60 VDC. Note
that the -DC48 option is only rated to 72 VDC. The 80 V option requires the user to provide +/-
12 V and 5 V supplies to the controller separate from the amplifier. If higher voltages are
required, please contact Galil. Like the DB-28040, the AMP-205x0 family provides for the
addition of 8 analog input to the DMC-21x3. The analog inputs accept +/- 10 V input and have
a resolution of 12 bits; a 16 bit option is available.
Figure 25 AMP-20540
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