DSP-based motor controller for harsh environments
A
DDC United Kingdom product story
Edited by the Engineeringtalk editorial team
Jul 3, 2003
The Python motor controller is designed for demanding industrial and military applications, and can deliver up to 13kW with a wide operating temperature range of -55 to +100C.
The Python motor controller is designed for demanding industrial and military applications, and can deliver up to 13kW with a wide operating temperature range of -55 to +100C.
The Python is a DSP-based motor controller that provides the intelligence required to implement a single axis motor control drive system with a minimum investment of time and resources.
Available in two versions: a stand-alone motor control board (PW-86010N1) for precision control of an external power stage and an integrated solution featuring the controller with an integral three-phase power stage (PW-86010N2) capable of delivering up to 13kW.
The development system features a user friendly graphical user interface (GUI) that does not require coding and can be configured to provide basic control of torque, speed, or position applications.
Motors may be brushless DC or induction type.
Power device switching schemes may be four-quadrant trapezoidal or sinusoidal (vector) drive.
The Python contains features that eliminates software development, simplify motor control and reduce development time.
CANbus is supported initially and other communications options such as RS232, RS422, RS485, and Profibus will be added as product upgrades.
Hardware configurable options such as a resolver-to-digital interface with oscillator, and input/output options that simplify controller development are included.
The extensive input options include: motor voltage and current sense inputs, overcurrent and short circuit detection inputs, hardware configurable user programmable digital and analogue inputs, one user programmable synchronous serial port, and three Hall effect sensor inputs with 5V power source.
Capabilities include outputs for power transistors gate control, outputs for precharge bypass or bus discharge circuits, outputs for gate driver reset and enable signals, optically isolated solid-state relay outputs for coordinating external hardware operation with the motor control, and two LEDs for board-level fault and status display.
"The Python motor controller enables designers to achieve high performance at low cost.
The hardware and software flexibility of Python can be exploited to use the same common motor controller module in a variety of system designs", said Amir Massumi, Director of Marketing at DDC.
" The common module across a number of system designs translates to lower overall cost of system development for our customers", he added.
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