280-0605

Access machine parameters

Press MOD key, enter machine parameter mode, navigate to spindle parameters MP7160-MP7169 range.

Always backup current parameters before making changes using the parameter export function.

Check MP7160 SPINDLE ORIENT

Verify MP7160 is set to 1 (enabled). If set to 0, change to 1 to enable spindle orientation function.

Parameter changes require machine restart and may affect spindle operation.

Verify orientation parameters

Check MP7161 ORIENT ANGLE (typically 0°), MP7162 ORIENT SPEED, and MP7163 ORIENT TOLERANCE are properly configured for your spindle.

Orientation speed should be 10-50 RPM for most applications to ensure accurate positioning.

Restart control and test

Perform control restart, then test M19 command in MDI mode to verify orientation function.

Ensure spindle is stopped before testing orientation.

Check encoder assignment

Verify MP4110 SPINDLE ENCODER INPUT is correctly assigned to the encoder input channel (typically EnDat or 1Vpp input).

Use the encoder test function in the diagnostic menu to verify encoder signals.

Verify encoder parameters

Check MP4111 ENCODER RESOLUTION matches your spindle encoder specification and MP4112 ENCODER TYPE is correctly set.

Incorrect encoder resolution will cause orientation positioning errors.

Test encoder functionality

Navigate to diagnostic screen, monitor spindle position feedback while manually rotating spindle to verify encoder operation.

Position values should change smoothly without jumps or dropouts during rotation.

Check encoder wiring

Inspect encoder cable connections at both spindle and control cabinet, verify proper shielding and connector integrity.

Power off machine before checking encoder connections to prevent damage.

Check drive orientation capability

Verify spindle drive supports position control mode and orientation function is enabled in drive parameters.

Consult drive manual for specific orientation mode parameters - varies by manufacturer.

Verify PLC orientation signals

Check PLC program for proper M19 handling, verify orientation enable output to spindle drive is activated.

Incorrect PLC logic can prevent orientation even with correct TNC parameters.

Test drive response

Monitor drive status during M19 command execution, check for drive fault codes or orientation mode activation.

Use oscilloscope to verify orientation enable signal timing and voltage levels.

Configure drive parameters

Set drive to position control mode for orientation, configure orientation speed and positioning parameters in drive.

Drive parameter changes may affect normal spindle operation - document original settings.

Verify spindle specifications

Check machine documentation to confirm if spindle is equipped with orientation capability and required encoder.

Look for 'C-axis' or 'orientation' specifications in spindle technical data.

Inspect spindle hardware

Physically verify presence of spindle encoder, check for encoder mounting and cable connections.

Some spindles may have speed encoders but lack position encoders needed for orientation.

Modify program logic

If orientation not available, remove M19 commands from programs or add conditional logic to skip orientation on this machine.

Use machine-specific subroutines to handle orientation differences between machines.