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Functional Safety Network with Safety Drive System

Overview

Description

This industrial motor drive and network system supports functional safety in demanding factory environments. Powered by two independent 32‑bit MCUs, it ensures precise control and reliable emergency power cutoff in hazardous conditions. Each controller independently verifies inputs for actions such as PLC emergency stops to maintain motor safety. The two MCUs execute the same safety process and continuously cross‑monitor each other through a dedicated interface.

System Benefits:

  • Supports the software required for functional safety control blocks, helping reduce development and certification time and cost
  • Simplifies application development by separating functional safety control blocks from general blocks such as network or motor control modules
  • Enables selection of an optimal MCU for each functional safety system from a broad 32‑bit MCU portfolio

Comparison

Applications

Block Diagram

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4:3 ratioConnector Arrow.703Connector Arrow.702Connector Arrow.657Connector Arrow.701Connector Arrow.690Sheet.546Connector Line.540Connector 1.180Sheet.549Connector Line.540Connector 1.180Sheet.542Connector Line.540Connector 1.180Sheet.543Connector Line.540Connector 1.180FET OringSheet.500Sheet.501Sheet.502Sheet.503Sheet.504Sheet.505Sheet.506Sheet.507Sheet.508Sheet.509Sheet.510Sheet.511Sheet.512Sheet.513Sheet.1Sheet.2Sheet.3Sheet.4JP148JP148JP148Sheet.18Sheet.19Sheet.20Sheet.21Sheet.22Sheet.23Sheet.28Sheet.31Sheet.32Sheet.33Sheet.34Sheet.39Sheet.51Sheet.56Sheet.57Sheet.58MotorSheet.60Sheet.61MMInput.76EtherCAT NetworkEtherCAT NetworkEtherCAT NetworkSpeed Control & Ethernet DataSpeed Control & Ethernet DataSpeed Control & Ethernet DataDC24V#1DC24V#1DC24V#13.3V3.3V3.3VSafety Output-ASafety Output-ASafety Output-AUUUSWSWSWCross-MonitoringCross-MonitoringCross-MonitoringSWSWSWSafety Output-BSafety Output-BSafety Output-BInput.139DC24V#2DC24V#2DC24V#23.3V3.3V3.3VVVVWWWConnector ArrowVINVINVINVOUTVOUTVOUTConnector LineFET Oring.519Sheet.520Sheet.521Sheet.522Sheet.523Sheet.524Sheet.525Sheet.526Sheet.527Sheet.528Sheet.529Sheet.530Sheet.531Sheet.532Sheet.533Input.534Connector Arrow.535VINVINVINVOUTVOUTVOUTConnector Line.539Reset ICReset ICReset ICCommunication ControllerCommunication ControllerCommunication ControllerSwitchSheet.583Sheet.584Sheet.585Sheet.586Sheet.587Sheet.588Sheet.589Sheet.590Sheet.591Sheet.592Sheet.593Sheet.594Sheet.595Sheet.596Sheet.597Sheet.598Sheet.599Sheet.600Connector Arrow.662Switch.663Sheet.664Sheet.665Sheet.666Sheet.667Sheet.668Sheet.669Sheet.670Sheet.671Sheet.672Sheet.673Sheet.674Sheet.675Sheet.676Sheet.677Sheet.678Sheet.679Sheet.680Sheet.681Sheet.687Sheet.688Sheet.689Connector Arrow.691Connector Arrow.692Connector 1.180Connector 1.694Motor ControllerMotor ControllerMotor ControllerORing MOSFET ControllerORing MOSFET ControllerORing MOSFET ControllerORing MOSFET ControllerORing MOSFET ControllerORing MOSFET ControllerBuck RegulatorBuck RegulatorBuck RegulatorBuck RegulatorBuck RegulatorBuck RegulatorReset ICReset ICReset ICFunctional Safety BlockFunctional Safety BlockFunctional Safety BlockSheet.706MCUMCUMCUSCISCISCIRxDRxDRxDGPIOGPIOGPIORES#RES#RES#FSoE / PROFIsafeFSoE / PROFIsafeFSoE / PROFIsafeGPIOGPIOGPIOSheet.635SCISCISCISheet.637Sheet.638VCCVCCVCCTxDTxDTxDRTS#RTS#RTS#Sheet.707MCUMCUMCUTxDTxDTxDRTS#RTS#RTS#Sheet.642Sheet.639SCISCISCISheet.641RES#RES#RES#GPIOGPIOGPIOVCCVCCVCCRxDRxDRxDGPIOGPIOGPIO
Exiting Interactive Block Diagram

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