KUKA Robot codes
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KUKA Robot Controller

Parameter · Basic

Alarm KRC0793

KUKA Robot KRC0793 - MORE ACTUAL THAN FORMAL PARAMETERS SPECIFIED 1 2129

This alarm occurs when a function or subroutine call passes more actual parameters than the number of formal parameters defined in the function signature. The KRL interpreter detects a mismatch between the declared parameter list and the arguments provided during the function invocation, preventing proper parameter binding and execution.

KUKA RobotParameterBasic

KRC0793

KUKA Robot KRC0793 - MORE ACTUAL THAN FORMAL PARAMETERS SPECIFIED 1 2129

MORE ACTUAL THAN FORMAL PARAMETERS SPECIFIED 1 2129

This alarm occurs when a function or subroutine call passes more actual parameters than the number of formal parameters defined in the function signature. The KRL interpreter detects a mismatch between the declared parameter list and the arguments provided during the function invocation, preventing proper parameter binding and execution.

Common Causes

  • Function call includes extra arguments not defined in the function declaration
  • Incorrect function overload selected due to parameter count mismatch
  • Copy-paste error when calling a function with wrong number of arguments
  • Function signature was modified to accept fewer parameters but old calling code was not updated
  • Nested function calls with parameters incorrectly passed through multiple levels

Troubleshooting Steps

  1. 1Locate the function definition in the KRL program and verify the exact number of formal parameters declared
  2. 2Find the function call statement that triggered the alarm and count the actual arguments being passed
  3. 3Compare the parameter lists - remove excess arguments from the function call to match the formal parameter count
  4. 4Check if the function has multiple overloads and ensure the correct version is being called with matching parameter count
  5. 5Review recent changes to the function definition to confirm parameter list modifications are reflected in all calling locations
  6. 6Recompile the KRL program after corrections and test the function call to verify the alarm is resolved

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