Emerson Process Management 8732 manual DC Supply Current Requirements, Installation Coordination

Reference Manual

Rosemount 8732

00809-0100-4663, Rev BA January 2010

Figure A-2. Apparent Power

	38
(VA)	36
	34
Power	32
	30
Apparent	28
	26
	24
	22
	20
	80	100	120	140	160	180	200	220	240	250
				Power Supply Voltage (AC RMS)

DC Supply Current Requirements

Units powered by 12-42 V DC power supply may draw up to 1 amp of current steady state.

Figure A-3. DC Current Requirements

	1
(Amps)	0.75
Current	0.5
Supply	0.25
	0
	12	18	24	30	36	42

Power Supply (Volts)

Installation Coordination

Installation (overvoltage) Category II

Power Consumption

10 watts maximum

Switch-on current

AC: Maximum 26 A (< 5 ms) at 250 V AC

DC: Maximum 30 A (< 5 ms) at 42 V DC

Ambient Temperature Limits

Operating

–58 to 165 °F (–50 to 74 °C) without local operator interface 13 to 149 °F (–25 to 65 °C) with local operator interface

Storage

–40 to 185 °F (–40 to 85 °C)

–22 to 176 °F (–30 to 80 °C) with local operator interface

Humidity Limits

0–100% RH to 150 °F (65 °C)

A-2