Description of the role and interface of RDC in the KUKA robot arm

Create Date: 2024-8-30 12:03:23|Source: KUKA

(1) Supply voltage and power distribution function

(2) The resolver (SIL2) technology is used to collect the orientation information of the eight motors for the orientation reaction

(3) Obtain the real-time temperature (PTC) of the motor

(4) It also has a self-temperature reaction with the addition of thermal electronics

                               Description of the role and interface of RDC in the KUKA robot arm

(5) Data interaction with the MFC-DSE function data acquisition card in the brain of the controller host

(6) Confirm whether the closed-loop circuit of the resolver is aborted online

(7) Evaluate EMD or EMT, save the data, and store it in EDS (Electronic Data Storage).

In addition, two FPGAs (Field Programmable Gate Arrays) can be used for secure two-channel parser evaluation as well as parser data profiling and processing. Similar to ABB's safety chain, which is primarily done by logic gates, KUKA is triggered by electronic components. There are some differences. FPGAs are custom circuit chips, which are different from microcontrollers. This is mainly based on parallel operations.

If the two FPGAs have the same task, the data is compared, and then the comparison results are checked. When the data of the two FPGAs is consistent, they will communicate with the control system normally. Otherwise, EtherCAT will stop reporting faults.

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