diagnosetools cancheck - CANcheckCANcheck

Installation tester for CAN networks

CANcheck allows users to analyze CAN networks during commisioning, maintenance and helps searching faults. This battery-operated, hand-held device connects to the CAN network to be tested and operates using a clearly-structured menu.


  • Cable test with network switched off and operational test with network switched on
  • Wiring test: test of the resistances between all pins of the CAN-connector (assignment in accordance with CiA), providing assessment based on pre-defined threshold values
  • Terminal resistance test: measurement of the resistance between CAN_H and CAN_L
  • Cable length: measurement of cable length via pulse-time delay, cable impedance
  • Measurement of the signal level: absolute and differential signal level listed according to identifier
  • Baud rate detection: detection of baud rate of the tested CAN system
  • Identifier scan: determination of all identifiers transmitted and display of reception frequency
  • CANopen mode: Signal level and reception frequency listed according to node-ID
  • Bus load: measurement of the current bus load of the CAN system
  • Error frames: number of error frames per time unit
  • User’s guide: test instructions before the test, OK or error message after the test, continuation after acknowledgement
  • Multilingual: test instructions in German or English

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