Firing Circuit Monitor

Butler National engineers provide comprehensive solutions – not only products, but also test equipment for troubleshooting and maintenance.

The Butler National Firing Circuit Monitor (FCM) quickly verifies operation of the M-230 System firing signals to test operation.

The Butler National monitoring system provides valuable testing capabilities for the gun / weapon control system.

  • Installs quickly to Gun Cable
  • Automatic Safe-Gun Feature – the M230 will not fire live electric-primed rounds while the FCM is installed.
  • Simulates primer load for accurate system tests
  • Powered by the system/vehicle – no batteries required
  • Self-Test Feature
  • Instructions and Diagnostic Guide are laser-engraved on the unit
  • Ruggedized Case included