| 6450 | [Bridge Unit Input Check] | ||
| 6-450-001 | Entrance Sensor | ENG | [0 to 1 / 0 / 1] 0: Detected, 1: Not Detected |
| 6-450-002 | Exit Sensor | ENG | [0 to 1 / 0 / 1] 0: Detected, 1: Not Detected |
| 6-450-003 | Front Door Open Switch | ENG | [0 to 1 / 0 / 1] 0: Closed, 1: Open |