AMPLIFIER SPECIFICATIONS Amplifier Specifications:

Electrical Characteristics

– Closed-loop speed bandwidth up to 400 Hz

– Motor current ripple frequency 16 kHz

– Switching frequency: 8 kHz

– Long-term speed regulation (0.01%)

– Position loop update rate 250 µs (4 kHz)

– Speed loop update rate 250 µs (4 kHz)

– Commutation update rate 62.5 µs (16 kHz)

– SVM Current loop update rate 62.5 µs (16 kHz)

Fault protection

– Output phase-to-phase and phase-to-ground short circuit protection

– Overvoltage protection

– Undervoltage protection

– Over-temperature (motor and amplifier)

– Overspeed

– Overcurrent

– Feedback loss

– Foldback

– Loss of power supply

– Excessive position error

Environmental

– Operating range

– Ambient temperature 0 to 45°C www.cniacs.com (derated to 55°C above ambient)

– Storage temperature -25°C to 55°C

– Humidity (non-condensing) 85% maximum

Speed loop compensation

– PI Plus controller (PDFF format) or PI controller

– Field adjustable and digitally repeatable

Position loop compensation

– Proportional loop with feed forward

Analogue Inputs/Outputs

– 2 configurable inputs: ±10V, 12 and 14 bit resolution

– 2 configurable outputs: ±10V, 10-bit resolution

Digital Inputs/Outputs

– 4 Configurable Inputs: 24 Volt, PLC Compatible

– 2 Configurable Outputs: 24V (open collector), PLC compatible

– Remote Enable Input: 24 Volt, PLC Compatible

Drive Status Relay (BTB/RTO)

– Contact Closure, 0.5 Amp Rating, 24 Volt

Pulse or Master/Slave Inputs

– Pulse command: pulse/direction or quadrature encoder format

– RS-485 Receiver

– Up to 16 slave amplifiers can be connected

– Input ratios configurable

User position feedback (encoder-equivalent output port)

– Configurable as encoder equivalent (ROD) or SSI format

– Encoder Equivalent (ROD): A quad B with marker (zero) pulses, RS-485 Driver

– SSI (Serial Synchronisation Interface): 1.5 Mhz maximum clock frequency, RS-485 driver

– Programmable Resolution