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Benezan ElectronicsBEAST Stepper motor power stage
Hard- and software development
High power driver for stepper motors
Brief product description
The "BEAST" is a powerful and compact stepper motor output stage for applications in CNC and automation
technology. With its wide range of adjustable phase current from 1.8 to 1 0A, it can be used for all common
two-phase motors from 56mm (NEMA23) to 11 0mm (NEMA42) flange size.
The output stage is constructed with discrete MOSFETs. The high supply voltage range up to 80V offers
significant advantages over most integrated power stage ICs at higher speeds and more safety margin against damage
from voltage spikes. An integrated short-circuit protection makes the electronics insensitive to the most common
errors.
Microstep control and a new type of continuous sinusoidal commutation significantly reduces noise and resonance
at low speeds. Active damping also prevents vibrations at high speeds and enables very high speeds that cannot be
achieved with low-cost solutions.
Targeted circuit measures such as optical decoupling of all control signals and limited edge steepness of the circuit
breakers (Active Slope Control) ensure maximum interference immunity and minimum interference emission. This
increases reliability and helps you to comply with EMC regulations. Of course the device also complies with the
latest RoHS regulations.
Nicolas Benezan, Stauffenbergstr. 26, 72108 RottenburgPage 1
Phone: +49 (0) 7457/946455 Beast1D-Installationwww.benezan-electronics.de.docx 22.09.2020
Installation Guide
BEAST
Bene's Advanced Stepper Drive
improved, digital version
Installation manual
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Summary of Contents for Benezan Electronics BEAST
- Page 1 Brief product description The "BEAST" is a powerful and compact stepper motor output stage for applications in CNC and automation technology. With its wide range of adjustable phase current from 1.8 to 1 0A, it can be used for all common two-phase motors from 56mm (NEMA23) to 11 0mm (NEMA42) flange size.
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Page 2: Safety Instructions
Hard- and software development 1 Safety Instructions The BEAST stepper motor output stage may only be installed and commissioned by qualified personnel. Please read the operating instructions carefully and follow all instructions exactly. Improper installation or operation of the device can cause damage to the electronics or the machine and can result in dangers to the health of the operating personnel. -
Page 3: Installation
If necessary, several BEAST power amplifiers can be operated in parallel on one power supply unit. Please note please ensure that the negative connection (Power Ground) is connected to the heat sink and therefore automatically to the housing (potential earth) is connected. - Page 4 The BEAST output stage has a current reduction which can either be automatic or controlled by an input signal. With automatic current reduction, the phase current is reduced to approx. 66% of the set maximum value if no step signal has been received for longer than approx.
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Page 5: Status Display
With milling machines, for example, damage to the workpiece and the machine can occur if only one axis and the others would drive on. If the BEAST power amplifiers are connected to a suitable breakout board, the status outputs of all axes are automatically linked and switched to the alarm input of the controller. -
Page 6: Sleep Mode
With the BEAST power amplifier this problem can be circumvented with the sleep mode. When the supply voltage is reduced to 12V, the motor is de-energized, but the processor remains active and keeps the current position. When the full operating voltage is switched on again, no steps are lost and work can be continued without reference run. -
Page 7: New Features
4.1 Compatibility Of course, the new version is compatible with earlier versions. If you replace BEAST power amplifiers in an existing system, set the DIP switches to a resolution of 1/10 microstep (switch no. 1 off, switch no. 2 pressed). Set the automatic current reduction (switch no. -
Page 8: Technical Data
Benezan ElectronicsBEAST Stepper motor power stage Installation Guide Hard- and software development 5 Technical data 5.1 Absolute limit values The following parameters must not be exceeded under any circumstances to prevent damage to the device: Parameters min. max. Unit Operating voltage -0.5 +100 Storage temperature...
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