Jürgen Wagenbach
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maxon controllers in NRND state?
Topic: What does the term "NRND" present by some controllers on the maxon website mean in practice? How long will a controller be still available if it is marked as NRND? Solution: "NRND" means...
PWM, PWM scheme (2 level, 3 level), Current ripple, Motor heating
Topic: What means PWM controlled motor power? Why does a PWM motor voltage result in some current ripple or can even heat up the motor windings in addition? What is the difference in between the 2...
EPOS2 / EPOS4 / IDX: Commanding by Python -> ctypes
Topic: Is it possible to command the EPOS4, IDX, or EPOS2 by Python? Basics: maxon does not provide documentation, specific libraries, sample code, or support to command the EPOS controllers by P...
EPOS4: SSI configuration features
Topic: Is it possible to use a SSI encoder which has more than 32 bit data for an EPOS4? Situation: Most of the position controllers are based on 32 bit data length processing for position acquis...
EPOS4: Dual loop control
Topic: What is a "Dual loop control"? What is the advantage of a "Dual loop control"? How does the EPOS4 "Dual loop control" work? How to configure a "Dual loop control"? Basics about "Dual loo...
Meaning of maxon's specified gearhead data
Topic: There is a lot of different data specified by the gearhead data sheets present in the catalog. What is the concrete meaning of all these specified data? Solution: Please be aware that th...
Meaning of maxon's specified motor data
Topic: There is a lot of different data specified by the motor data sheets present in the catalog. What is the concrete meaning of all these specified data? Solution: Please be aware that there...
What supply voltage is required by a controller?
Topic: What supply voltage level has to be applied to the controller to operate the motor up to a maximum speed required by the application? Situation: The motor in use by an application is defin...
EPOS4 / IDX: Object "Torque actual value"
Topic: What is the meaning and scaling of EPOS4's resp. IDX's object "Torque actual value"? How is the value of the object "Torque actual value" evaluated? Solution: 1.) Scaling of "Torque actu...
EPOS4 / IDX: How to get the firmware version?
Topic: How to find the information which firmware version is installed on an EPOS4 or IDX? Solution: There are two different possibilities to retrieve the installed firmware version: 1.) EPOS Stu...