Description: The watchdog monitors the BSC and the internal +5VDC operating voltage via the AT-Bus.
Respective disturbances will be displayed via one switch-over relays-contact. A green LED
indicates the three I.SEARCH operating modes:
1. The LED is dark: +5Vdv fails
2. The LED blinks: The watchdog is booting
3. The LED lights: The watchdog is active
Hardware: When inserted into the I.SEARCH case, the shut-down button at the front panel has no function.
Size: 4 HP
Option for backfitting (instead of 0721750) 0721801