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A current limit would typically be required for protection purposes for the motor, gearbox or even the drive load. This is essentially the maximum permissible speed and the maximum current, which equates to the maximum torque Fig. However, it is important to understand that digital input 1 has a higher frequency capability, meaning if a PWM set value is used, it should be allocated to digital input 1, and the enable function should be allocated to any other pin. As the ESCON controller is a four-quadrant controller, it means a torque can be applied in the direction opposite to motion. The maximum permissible speed may be limited by several factors, such as: There are various functions which can be offered; these are typically used as a monitoring tool for the following:.

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The acceleration and deceleration can be defined to achieve the final speed within a certain time frame Fig. It is typically recommended to have a maximum output current limit of twice the nominal current to account for acceleration current. However, it is important to understand that digital input 1 has a higher frequency capability, meaning if a PWM set value is used, it should be allocated to digital input 1, and the enable function should be allocated to any other pin.

Current controller Speed controller closed loop Speed controller open loopwith either static or adaptive IxR compensation When using ESCON for speed control, closed loop operation is usually the preferred choice if the motor has an encoder or hall sensors.

As well as operating in current control mode, the ESCON can implement a current limit, commanded by both digital or analog signal, if operating in speed control mode.

As the ESCON controller is a four-quadrant controller, it means a torque can be applied in the direction opposite to motion.

Once the pre-defined value is reached, digital output is set,Range: If two fixed set values are required, this can be achieved with the use wtudio the digital inputs, one of which would maintain the initial speed, while the other input would implement the second defined speed.

The first step is to identify the type of motor in use: System data The data for the overall system can now be configured.

IxR compensation is implemented as a form of control when in open loop operation. Stop Motor decelerates with a defined ramp to a halt High or low active polarity can be configured for the Stop function PWM set value Set value is defined by a fixed frequency and amplitude.

Stuxio data Now the motor data can be added, including the speed constant, thermal time constant of the winding and the number of pole pairs Fig. This information can be found in the maxon catalogue, on the data sheet for the motor, on lines 13, 19 and 29 respectively.

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These functions essentially allow you to just enable the power stage and to have the option to choose the direction of rotation as well. When configuring the ESCON, it is necessary to consider the system, as opposed to just the motor, as there may be a weaker link within the complete drive system that may need accounting for from a safety point of view. If one constant speed is required, 'fixed set value' would be the best option.

With an increasing load, the speed would reduce. Offset is where the output differs from the set value by a pre-defined amount. econ

Step-by-step Guide to Configuring A Maxon ESCON Speed Controller

The ESCON offers both speed and torque controllability, and dependant on whether a sensor is being used, the following modes are available Fig. Speed sensor Depending sthdio whether a DC or EC motor is being used, various configuration options are available for the speed sensor Fig.

The maximum permissible speed may be limited by several factors, such as: Once the pre-defined value is within the set deviance, the digital output is set Note: The torque can be defined as the product of the moment of inertia of the load and the acceleration.

For low speeds and fluctuating loads, it is advised to use a digital incremental encoder for feedback.

A current limit would typically be required for protection purposes for the motor, gearbox or even sgudio drive load. Motor type The first step is to identify the type of motor in use: Note that the encoder must have a minimum of 16 counts per turn, which results in 64 quadcounts.

Now the motor data can be added, including the speed constant, thermal time constant of the winding and the number of pole pairs Fig. The limiting factors of the maximum output current are: Digital output 4 also sutdio the functionality to show the commutation frequency, providing a brushless DC motor is being used.

Step-by-step guide to configuring a maxon ESCON speed controller

Speed ramp As the ESCON controller is a four-quadrant controller, it means a torque can be applied in the direction opposite to motion. The ESCON has up to four digital inputs, depending on how many digital outputs are utilised, studoo allows the enable function to be triggered by either one of the four digital inputs.

Once the pre-defined value is within a set range, the digital output is shudio IxR compensation accounts for this by observing the terminal resistance of the motor and the current draw Fig.

Current limit As well as operating in current control mode, the ESCON can implement a current limit, commanded by both digital or analog signal, if operating in speed control mode.