The SMT-BD1 series digital servo drives are PWM servo amplifiers that provide current, speed and position control for AC sinusoidal brushless motors.

BD Features
Electrical ratings
–230VAC or 400VAC Supplied units (rectifiers are located in the rack)
–up to 35Arms continuous and 100Arms peak current available
–Single phase operation possible for 230VAC units
I/O interface
–Enable, Index and Limit-Switch inputs 24VDC
–Amplifier Ok relay output contact
–Motor-Brake Output 24V/1.5A (single axis rack only)
–Differential outputs for encoder simulation
Communication interfaces
–RS232 and RS422 (as option) up to 19.6kB baudrate
–Addressable with hardware switches for multi-drop applications
–All functions and Parameters are accessible through this interfaces
Closed loop functions
–Analogue current regulator with a cutoff frequency >1kHz
–Digital Speed loop with 500 microsec. cycle time and adjustable bandwidth (50, 75 and 100 Hz)
–Encoder simulation (A, B, Z) with adjustable resolution up to 8192 ppr depending on the maximum speed
Windows® based tools
–Parameter setup for motors and amplifiers (libraries)
–Auto-tuning for all closed loop parameters (including gains, filters, limitations)
–Auto-phasing for motor adjustment
–Test functions and digital oscilloscope