230-04C8

Access machine parameter editor

Press MOD key, select 'Machine Parameters', navigate to CfgBrake section using the parameter tree.

Use Ctrl+F to quickly search for 'CfgBrake' in the parameter list

Locate brake configuration

Find the brake entry matching the alarm's %2 value (brake number) and check for MP_connection parameter presence.

Document current settings before making changes

Add missing MP_connection

Create new MP_connection parameter with appropriate I/O address referencing the brake control output in your PLC configuration.

Consult machine documentation for correct I/O mapping before assignment

Validate and restart

Save parameters, perform PLC restart via MOD > PLC > Restart, then cycle control power to activate new brake configuration.

Verify current MP_connection value

In CfgBrake parameters, note the I/O address specified in MP_connection for the affected brake axis.

Write down the current address before making changes for rollback purposes

Check PLC I/O configuration

Access MOD > PLC > I/O Assignment and verify the brake output address exists and is properly configured for digital output.

Ensure I/O module is physically present and functioning before reassignment

Cross-reference machine documentation

Consult electrical schematics to confirm correct I/O terminal assignment for brake control relay or contactor.

Use multimeter to verify 24V signal presence at the documented terminal

Update MP_connection parameter

Modify MP_connection to reference the correct I/O address, save parameters, and restart PLC to apply changes.

Access PLC program editor

Navigate to MOD > PLC > Program Editor and search for brake-related I/O handling in the PLC code.

Search for 'BRAKE' or the specific I/O address to locate relevant code sections

Verify brake control logic

Check that PLC program includes proper brake engagement/disengagement logic responding to TNC brake commands.

Backup PLC program before making modifications

Add missing brake handling

Insert appropriate PLC code to process brake control signals, including safety interlocks and status feedback.

Use existing axis brake code as template for consistent implementation

Compile and download PLC

Compile PLC program, download to control, and test brake operation through manual axis movement.

Backup current configuration

Create backup of current machine parameters via MOD > Data Management > Export Parameters to external storage.

Always backup before attempting parameter restoration

Check parameter file integrity

Review CfgBrake section for syntax errors, missing brackets, or incomplete parameter definitions using parameter editor.

Look for red error indicators or warning symbols in parameter tree

Restore from backup or defaults

Import known good CfgBrake configuration from backup or reset to factory defaults and reconfigure brake parameters.

Contact machine builder for original parameter files if available

Reconfigure brake connections

Systematically rebuild brake configuration parameters according to machine documentation and test each brake individually.