Reference Manual
00809-0100-4360, Rev BA
August 2008
A-5
Rosemount 1151
Code E, Analog
4–20 mA dc, linear with process pressure.
Code G, Analog
10–50 mA dc, linear with process pressure. Not available with the CE
mark.
Code L, Low Power
0.8 to 3.2 V dc, linear with process pressure.
Code M, Low Power
1 to 5 V dc, linear with process pressure.
Power Supply
External power supply required. Transmitter operates on:
12 to 45 V dc with no load for Output Codes S and E.
30 to 85 V dc with no load for Output Code G.
5 to 12 V dc for Output Code L.
8 to 14 V dc for Output Code M.
Where:
Current Consumption (Low Power Only)
Under Normal Operating Conditions
Output Code L
1.5 mA dc.
Table A-3. Output Code Availability
Code 1151 Output Options/Damping DP HP GP DP/GP/Seals AP LT
S 4–20 mA, Digital, Smart/Variable • • • • • •
E 4–20 mA, Linear, Analog/Variable • • • • • •
G
(1)
10–50 mA, Linear, Analog/Variable • • • • • •
L 0.8 to 3.2 V, Linear, Low Power/Fixed • • • • • NA
M 1 to 5 V, Linear, Low Power/Fixed • • • • • NA
(1) Not available with CE mark.
Code V
min
V
max
R
min
R
max
R
L
at Supply Voltage (V
s
)
S
(1)
(1) A minimum of 250 ohms is required for communication.
12 45 0 1650 R
L
= 43.5 (V
S
–12)
E
(2)
(2) For CSA Approvals (code E), V
max
= 42.4 V dc.
12 45 0 1650 R
L
= 50 (V
S
– 12)
G308501100 R
L
= 20 (V
S
– 30)
L 5 12 Low Power Minimum Load Impedance:
100 k
M814
R
max
R
L
R
min
V
min
V
S
V
max
Operating
Region
Figure A-1. Power Supply Load
Limitations