Emerson Rosemount 1056 Quick Start Manual page 13

April 2019
Figure 3-3: 24 Vdc Power Supply (02 Ordering Code)
This power supply automatically detects DC power and accepts 20 Vdc to 30
Vdc inputs.
Four programmable alarm relays are included.
Figure 3-4: Switching AC Power Supply (03 Ordering Code)
This power supply automatically detects AC line conditions and switches to
the proper line voltage and line frequency.
Four programmable relays are included.
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3.3.2 HART current output wiring
Emerson ships all instruments with two 4-20 mA current outputs. Wiring
locations for the outputs are on the main board which is mounted on the
hinged door of the instrument. Wire the relay leads on each of the
Quick Start Guide
Quick Start Guide
13