pp_CheckFollowingError()

Description

Check if the following error occurs in Profile Position mode (pp).

Relevant Objects

  • Object 6041h: Statusword

Syntax

int pp_CheckFollowingError();

Parameters

None.

Return Value

Return whether a following error has occurred.

Comment

This function must be called after a successful execution of EthercatMaster::start(). This function is non-blocking and can be called in callback functions.

Example Code

#include "Ethercat.h" 

EthercatMaster master; 
EthercatDevice_CiA402 motor; 

void setup() { 
  Serial.begin(115200);
  while (!Serial); 
  
  master.begin(); 
  motor.attach(0, master);
  motor.setCiA402Mode(CIA402_PP_MODE);
  master.start();
  
  motor.enable();
} 

void loop() { 
  motor.pp_Run(100000, CIA402_PP_RELATIVE, true);
  while (motor.pp_IsTargetReached() == 0); 
  if (motor.pp_CheckFollowingError()) 
    Serial.println("Following Error.");
  motor.pp_Run(-100000, CIA402_PP_RELATIVE, true);
  
  while (motor.pp_IsTargetReached() == 0);
  if (motor.pp_CheckFollowingError())
    Serial.println("Following Error."); 
}

Please see the EtherCAT CiA 402 User Manual for more QEC EtherCAT instructions and API usage.

Scroll to Top