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Reference Manual
00809-0100-4665, Rev AA
August 2010
Rosemount 8732
A-2
Figure A-1. AC Current
Requirements
Figure A-2. Apparent Power
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
DC Load Limitations (Analog Output)
Maximum loop resistance is determined by the voltage level of the external
power supply, as described by:
Supply Current (Amps)
0.100
0.120
0.140
0.180
0.200
0.220
0.240
0.260
0.280
0.300
0.320
0.160
80 100 120 140 160 180 200 220 240
Power Supply Voltage (AC RMS)
80 100 120 140 160 180 200 220 240
Power Supply Voltage (AC RMS)
20
22
24
26
28
30
32
34
36
38
Apparent Power (VA)
250
0
0.25
0.5
0.75
1
12 18 24 30 36 42
Power Supply (Volts)
Supply Current (Amps)