7800 series

- Interlock check. - Dynamic Ampli-Check™. - Closed loop logic test. - Dynamic input check. - Dynamic safety relay test. - Dynamic self-check logic. - High Fire Purge Switch test (EC/RM7850A). - Expanded safe-start check. - Internal hardware status monitoring. - Low Fire Start Switch test (EC/RM7850A). - Tamper-resistant timing and logic.