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ADVANCED MICRO SYSTEMS, INC. HARDWARE
2
Product Overview
The DCB-274 combines efficient bi-polar chopper Driver circuitry with AMS’ new, powerful SMC-27X2
Micro-controller on a single, heat sink mounted board, to operate small to mid-size stepping motors. It is
designed for low cost O.E.M. applications; yet includes many enhanced operating features found in
products costing much more:
Features
• Programmable hold and run currents
• Selectable “PLC” sourcing input mode
• All inputs withstand >28 volts
• 2 x 2 amp outputs
• SMC-27X2 intelligent controller up to 40,000 SPS
• Single 24 to 45 volt power supply input
• Full, 1/2, 1/4, 1/8 microstep resolution
• 2k bytes of non-volatile memory
• Limit, Home, Go and Stop inputs
• Step, Direction and Jog inputs
• Encoder input option
• Serial communication (1-32 axes)
• 4.0 amp/phase (max) chopper drive output
• Programmable acceleration and deceleration ramp
• Constant velocity commands
• Heat-sink mounted and mating connectors included