Bulk power supplies supply power to the system or to field devices. Power to the system is isolated from power to field devices. The following figure shows one method of providing system power and bussed field power with Legacy Bulk Power Supplies.
You can use DeltaV Legacy Bulk Power Supplies, DeltaV Bulk Power Supplies, or third-party bulk power supplies. There are three types of DeltaV Legacy Bulk Power Supplies:
- Legacy Bulk AC to 24 VDC Power Supply (Panel and DIN-rail mounted) – Accepts 120/230 VAC power and supplies 24 VDC power to field devices and System Power Supplies (Dual DC/DC).
- Legacy Bulk AC to 12 VDC Power Supply (Panel and DIN-rail mounted) – Accepts 120/230 VAC power and supplies 12 VDC power to System Power Supplies (DC/DC) and System Power Supplies (Dual DC/DC).
- Legacy Bulk 24 VDC to 12 VDC Power Supply – Accepts 24 VDC power and supplies 12 VDC power to System Power Supplies (DC/DC). This power supply is no longer available from Emerson Process Management.
Note
Refer to the DeltaV™ S-series and CHARMs Hardware Reference manual for information on the DeltaV Bulk Power supplies.