Contemporary Control Systems AI-FR Redundant Fibre Hubs - Manual (Page 4)

TD675300-0ID
4
AC Powered
The AI-FR can be powered by an AC voltage in the range of 8–24VAC
capable of delivering 4 VA of apparent power. Two auxiliary power supplies
are available: The AI-XFMR is for a 120 VAC. The AI-XFMR-E is for
230 VAC.
Figure 3 — AC Powered
Figure 4 — AC Powered with Grounded Secondary
AC Powered with Battery Backup
The AI-FR can also operate in the AC mode with a backup battery providing
power if the AC source fails. The AI-FR does NOT charge the battery so
separate provisions are required for charging.
Figure 5 — AC Powered with Battery Backup