COVER STORY
Motor control for automation
Setting-up control systems to drive axes is usually time-consuming and can require software programming knowledge. igus has developed a cost-effective and easy-to-operate control system so that any user can quickly set up and control their motorised drylin E drive axes. igus offers the D1 dryve, which is a control system for stepper motors, DC motors and EC/BLDC motors
W
here it is necessary to automate tasks for multi- axis linear robots, delta robots or pick-and-place
applications, users can deploy the intuitive D1 dryve motor control system. The D1 dryve is suitable for all stepper motors, DC motors, and EC/BLDC motors. All igus motors, as well as motors of other manufacturers, can be easily controlled using this control system. The unique control system can be operated without downloading any software, via a web browser from a fi xed PC or a mobile device such as a smartphone – all without an internet connection. The user only needs a wireless router if mobile devices are used. A clear and simple interface helps the customer with the correct parameterisation, no programming knowledge is needed. “A motor-operated axis, together with the new D1 dryve control system, can be up and running in a few minutes due to its user-friendly interface,” explains Adam Sanjurgo, product manager for low-cost automation at igus.
D1 dryve: intuitive interface for speedy set-up
The user interface of the motor control system is called up via a web browser and IP address. There are seven menu items for the user to alter the relevant settings. Confi gurations that have already been created can easily be uploaded to the motor control system, thus reducing the start-up
time. The “Motor” menu item is used to load all the settings of the motor into the control system by simply entering the part number. Where motors of other suppliers are concerned, the user simply changes the settings according to their data sheet. The user can also access the menu to enter the settings for the linear or rotational axis, as well as to set the route and feed rate. The travel profi les, which can be altered live, makes the D1 dryve even easier to use. Time-saving automation without transfer or loading processes is therefore possible. Networking with a higher-level control unit such as a PLC is also possible via Ethernet or CANOpen. In addition, an oscilloscope has been integrated into the web interface in order to monitor the performance of the motor. This shows live values relating to motor current, speed, actual position and setpoint position.
Operation without any software or storage media
The unique advantage of the D1 dryve is not only the fast set-up and its user-friendly interface but also the networking capability of the control system which has intentionally been designed to save space. It can be easily mounted on a top-hat (DIN) rail in switch cabinets and controlled via fi xed wiring. Alternatively, the D1 can be connected to a wireless router, after which the system can be controlled wirelessly. The integrated web server does not require any further software on the operating devices, nor does
The drylin dryve controller can be used with most industrial stepper, DC and EC/BLDC motors
it need additional storage media, resulting in reduced time and costs.
Saving energy with closed loop mode Another special feature of the D1 dryve is the integrated closed loop mode. While in open loop mode, the stepper motor is set so that it safely moves the maximum necessary load but this wastes energy when subjected to low load, whereas the closed loop ensures current control that matches the actual performance. The result of this energy adaptation is that, due to the current being regulated according to performance (actual load moved), high loads are moved quickly with the required energy and low loads are moved slowly with lower energy. In addition, the motor does not consume any energy at standstill, in contrast to the open loop mode. A further advantage: due to current control, there is less heat loss in the motor thus keeping it cooler and increasing effi ciency.
igus drylin dryve controller
CONTACT: igus
tel: 01604 677240 email:
sales@igus.co.uk www.igus.co.uk/dryve
12 February 2021 | Automation
automationmagazine.co.uk
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