6 • Chapter 1 Overview DMC-21x3 Accessories
DC to DC Pass Through
When using the DC-to-DC converter in conjunction with the Galil amplifier daughter boards described in
this manual, there is an option to have the DC power supply input shared among both boards, which
alleviates the need to supply power to two connectors. Power is passed through from the amp to the
controller via the “Pass Through” header located at J98 (1-4 axes) or JP14 (5-8 axes) on the controller.
When using the pass through on a 1-4 axis DMC-21x3 controller, DC power must be applied only to the
amplifier’s power connector.
When using the pass through on a 5-8 axis DMC-21x3 controller, DC power must be applied to both
amplifier’s power connectors. Power is passed through to the controller only from the second (axes E-H)
amplifier
The proper DC-to-DC converter must be chosen so that the DC voltage range is compatible with the
amplifier and motor voltage requirements. The J98/JP14 header comes standard, hence the purchaser must
specify if they would not like this header present with –NOJ98.
Module Types
Servo Drives
Part Number Description
AMP-20340 4 Axis Brush Type 20 Watt Linear Servo Drives. OBSELETE
AMP-20341 4 Axis Brush Type 20 Watt Linear Servo Drives (bipolar supply)
AMP-20420 2 Axis Brush Type 200 Watt/Axis PWM Servo Drives
AMP-20440 4 Axis Brush Type 200 Watt/Axis PWM Servo Drives
AMP-20520 2 Axis Brushless/Brush 500 Watt/Axis PWM Servo Drives
AMP-20540 4 Axis Brushless/Brush 500 Watt/Axis PWM Servo Drives
Stepper Drives
Part Number Description
SDM-20240 4 Axis 2 Phase Full/Half Step Stepper Motor Drive
SDM-20620 2 Axis 2 Phase Micro Stepper Motor Drive
SDM-20640 4 Axis 2 Phase Micro Stepper Motor Drive
Non Amplifier Modules
Part Number Description
ICM-20100 4 Axis Breakout to D Shell Connectors
ICM-20105 4 Axis Breakout to D Shell Connectors with opto-isolated I/O
DB-28040 Additional Configurable I/O and 8 Dedicated Analog Inputs
DB-28104 Accepts Sin/Cos Encoder Feedback
PCM-20900 Breadboard Module to Aid Design of Customer Daughter Boards
SR-19900 Shunt Regulator
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